Team3S

RE: Team3S: VR4 repair

Tue, 02 Dec 2008 17:30:00 GMT

A long-ass day, yes. And this time of year, it can turn into 2-3 long days, easily. On 12/2/08, <a href="mailto:darbgnik@telus.net">darbgnik@telus.net</a> <<a href="mailto:darbgnik@telus.net>">darbgnik@telus.net&gt</a>; wrote: > San Francisco is within a day of Seattle no? > Sent from my BlackBerry(R) wireless device > > > -----Original Message----- > From: "Tyson Varosyan" <<a href="mailto:tigran@tigran.com>">tigran@tigran.com&gt</a>; > > Date: Tue, 2 Dec 2008 08:13:44 > To: <<a href="mailto:darbgnik@telus.net>">darbgnik@telus.net&gt</a>; > Subject: [Team3S] RE: Team3S: VR4 repair > > > > > Here is the deal - you got to find the right person. For me, an engine problem like that does not scare me much. I would check compression on all 6 cylinders, maybe drop the oil pan (provided that the owner would let me do this prior to sale). If things looked right (as you say they should), I would have no problem paying $2k for an otherwise good condition car. I have done more than 10 engine swaps on these cars, remember the vacuum diagram by heart, have 3 blown motors to pull parts from and even have a spare ECU laying around. I really wish you were closer to Seattle - I even have my own tow rig... > > Tyson Varosyan > Technical Director, Uptime Technical Solutions LLC. > <a href="mailto:tyson@up-times.com">tyson@up-times.com</a> > www.up-times.com > 206-715-TECH (8324) > UpTime/OnTime/AnyTime > > > -----Original Message----- > From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] > Sent: Tuesday, December 02, 2008 7:36 AM > To: <a href="mailto:tigran@tigran.com">tigran@tigran.com</a> > Subject: [Team3S] RE: Team3S: VR4 repair > > > Thank you for your input, the car was running fine until the ECU started giving me problems 2 years ago. I do not mind spending money repairing it, but I am not going to keep the car after it is fixed, just was wondering if it is wise spending over $1000 on it. > I could have missed something when I reinstalled the plenum but I do not have time to work on it. > I am in Pacifica, CA, by San Francisco. > I am going to start it again, hook up the data logger to it and check for any error codes and check for a vacuum leak. > Ed > > -----Original Message----- > From: Willis,Charles E [<a href="mailto:Chwillis@mdanderson.org">mailto:Chwillis@mdanderson.org</a>] > Sent: Tuesday, December 02, 2008 6:41 AM > To: <a href="mailto:ed@compros.com">ed@compros.com</a> > Subject: [Team3S] RE: Team3S: VR4 repair > > Btw did you ever do anything with the injectors? Did you ever change the fuel filter? Why are you suspicious of a problem in reinstalling the plenum? It only goes back on one way. Are you thinking that there is a vacuum leak there? > > ----- Original Message ----- > From: Willis,Charles E <<a href="mailto:Chwillis@mdanderson.org>">Chwillis@mdanderson.org&gt</a>; > To: Willis,Charles E > Sent: Tue Dec 02 08:29:49 2008 > Subject: [Team3S] RE: Team3S: VR4 repair > > > selling it broken is a bad choice - basically it's going to go for salvage value. If you don't have the coin to get it running, then you don't really have an alternative. > > Chuck > > -----Original Message----- > From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] > Sent: Monday, December 01, 2008 11:50 PM > To: Willis,Charles E > Subject: [Team3S] RE: Team3S: VR4 repair > > > My 91 VR4 with 150,000 miles has been out of service for almost 2 yrs, > started with plugs 1 and 3 not firing, after 2 attempts to repair both ECS > and ECU computers, replacing coils, spark plugs and cables, it never ran > well at all, gas leaks, etc. I may have done something wrong when I > reinstalled the plenum. > I am planning to have it towed to Winn Motors in San Francisco for > evaluation and repair. > My question is: I have seen similar cars on EBay for under $3000, I am going > to sell the car anyway. > How much is it worth spending on a repair? I have to pay $110 for > evaluation, probably about $150 for towing, reregister the car and smog it. > The car was in OK shape before it broke, tires and wheels are fair. > What would you recommend me to do? > Thank you, > Ed Vinces > > > > -- > To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> > > > -- > To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> > > > -- > To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> > > > > -- > To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> > > > > -- > To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> > > > -- > > To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a>

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RE: Team3S: VR4 repair

Tue, 02 Dec 2008 17:24:00 GMT

San Francisco is within a day of Seattle no? Sent from my BlackBerryÂ® wireless device -----Original Message----- From: "Tyson Varosyan" <<a href="mailto:tigran@tigran.com>">tigran@tigran.com&gt</a>; Date: Tue, 2 Dec 2008 08:13:44 To: <<a href="mailto:darbgnik@telus.net>">darbgnik@telus.net&gt</a>; Subject: [Team3S] RE: Team3S: VR4 repair Here is the deal - you got to find the right person. For me, an engine problem like that does not scare me much. I would check compression on all 6 cylinders, maybe drop the oil pan (provided that the owner would let me do this prior to sale). If things looked right (as you say they should), I would have no problem paying $2k for an otherwise good condition car. I have done more than 10 engine swaps on these cars, remember the vacuum diagram by heart, have 3 blown motors to pull parts from and even have a spare ECU laying around. I really wish you were closer to Seattle - I even have my own tow rig... Tyson Varosyan Technical Director, Uptime Technical Solutions LLC. <a href="mailto:tyson@up-times.com">tyson@up-times.com</a> www.up-times.com 206-715-TECH (8324) UpTime/OnTime/AnyTime -----Original Message----- From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] Sent: Tuesday, December 02, 2008 7:36 AM To: <a href="mailto:tigran@tigran.com">tigran@tigran.com</a> Subject: [Team3S] RE: Team3S: VR4 repair Thank you for your input, the car was running fine until the ECU started giving me problems 2 years ago. I do not mind spending money repairing it, but I am not going to keep the car after it is fixed, just was wondering if it is wise spending over $1000 on it. I could have missed something when I reinstalled the plenum but I do not have time to work on it. I am in Pacifica, CA, by San Francisco. I am going to start it again, hook up the data logger to it and check for any error codes and check for a vacuum leak. Ed -----Original Message----- From: Willis,Charles E [<a href="mailto:Chwillis@mdanderson.org">mailto:Chwillis@mdanderson.org</a>] Sent: Tuesday, December 02, 2008 6:41 AM To: <a href="mailto:ed@compros.com">ed@compros.com</a> Subject: [Team3S] RE: Team3S: VR4 repair Btw did you ever do anything with the injectors? Did you ever change the fuel filter? Why are you suspicious of a problem in reinstalling the plenum? It only goes back on one way. Are you thinking that there is a vacuum leak there? ----- Original Message ----- From: Willis,Charles E <<a href="mailto:Chwillis@mdanderson.org>">Chwillis@mdanderson.org&gt</a>; To: Willis,Charles E Sent: Tue Dec 02 08:29:49 2008 Subject: [Team3S] RE: Team3S: VR4 repair selling it broken is a bad choice - basically it's going to go for salvage value. If you don't have the coin to get it running, then you don't really have an alternative. Chuck -----Original Message----- From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] Sent: Monday, December 01, 2008 11:50 PM To: Willis,Charles E Subject: [Team3S] RE: Team3S: VR4 repair My 91 VR4 with 150,000 miles has been out of service for almost 2 yrs, started with plugs 1 and 3 not firing, after 2 attempts to repair both ECS and ECU computers, replacing coils, spark plugs and cables, it never ran well at all, gas leaks, etc. I may have done something wrong when I reinstalled the plenum. I am planning to have it towed to Winn Motors in San Francisco for evaluation and repair. My question is: I have seen similar cars on EBay for under $3000, I am going to sell the car anyway. How much is it worth spending on a repair? I have to pay $110 for evaluation, probably about $150 for towing, reregister the car and smog it. The car was in OK shape before it broke, tires and wheels are fair. What would you recommend me to do? Thank you, Ed Vinces -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a>

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RE: Team3S: VR4 repair

Tue, 02 Dec 2008 16:16:00 GMT

Here is the deal - you got to find the right person. For me, an engine problem like that does not scare me much. I would check compression on all 6 cylinders, maybe drop the oil pan (provided that the owner would let me do this prior to sale). If things looked right (as you say they should), I would have no problem paying $2k for an otherwise good condition car. I have done more than 10 engine swaps on these cars, remember the vacuum diagram by heart, have 3 blown motors to pull parts from and even have a spare ECU laying around. I really wish you were closer to Seattle - I even have my own tow rig... Tyson Varosyan Technical Director, Uptime Technical Solutions LLC. <a href="mailto:tyson@up-times.com">tyson@up-times.com</a> www.up-times.com 206-715-TECH (8324) UpTime/OnTime/AnyTime -----Original Message----- From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] Sent: Tuesday, December 02, 2008 7:36 AM To: <a href="mailto:tigran@tigran.com">tigran@tigran.com</a> Subject: [Team3S] RE: Team3S: VR4 repair Thank you for your input, the car was running fine until the ECU started giving me problems 2 years ago. I do not mind spending money repairing it, but I am not going to keep the car after it is fixed, just was wondering if it is wise spending over $1000 on it. I could have missed something when I reinstalled the plenum but I do not have time to work on it. I am in Pacifica, CA, by San Francisco. I am going to start it again, hook up the data logger to it and check for any error codes and check for a vacuum leak. Ed -----Original Message----- From: Willis,Charles E [<a href="mailto:Chwillis@mdanderson.org">mailto:Chwillis@mdanderson.org</a>] Sent: Tuesday, December 02, 2008 6:41 AM To: <a href="mailto:ed@compros.com">ed@compros.com</a> Subject: [Team3S] RE: Team3S: VR4 repair Btw did you ever do anything with the injectors? Did you ever change the fuel filter? Why are you suspicious of a problem in reinstalling the plenum? It only goes back on one way. Are you thinking that there is a vacuum leak there? ----- Original Message ----- From: Willis,Charles E <<a href="mailto:Chwillis@mdanderson.org>">Chwillis@mdanderson.org&gt</a>; To: Willis,Charles E Sent: Tue Dec 02 08:29:49 2008 Subject: [Team3S] RE: Team3S: VR4 repair selling it broken is a bad choice - basically it's going to go for salvage value. If you don't have the coin to get it running, then you don't really have an alternative. Chuck -----Original Message----- From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] Sent: Monday, December 01, 2008 11:50 PM To: Willis,Charles E Subject: [Team3S] RE: Team3S: VR4 repair My 91 VR4 with 150,000 miles has been out of service for almost 2 yrs, started with plugs 1 and 3 not firing, after 2 attempts to repair both ECS and ECU computers, replacing coils, spark plugs and cables, it never ran well at all, gas leaks, etc. I may have done something wrong when I reinstalled the plenum. I am planning to have it towed to Winn Motors in San Francisco for evaluation and repair. My question is: I have seen similar cars on EBay for under $3000, I am going to sell the car anyway. How much is it worth spending on a repair? I have to pay $110 for evaluation, probably about $150 for towing, reregister the car and smog it. The car was in OK shape before it broke, tires and wheels are fair. What would you recommend me to do? Thank you, Ed Vinces -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a>

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RE: Team3S: VR4 repair

Tue, 02 Dec 2008 15:37:00 GMT

Thank you for your input, the car was running fine until the ECU started giving me problems 2 years ago. I do not mind spending money repairing it, but I am not going to keep the car after it is fixed, just was wondering if it is wise spending over $1000 on it. I could have missed something when I reinstalled the plenum but I do not have time to work on it. I am in Pacifica, CA, by San Francisco. I am going to start it again, hook up the data logger to it and check for any error codes and check for a vacuum leak. Ed -----Original Message----- From: Willis,Charles E [<a href="mailto:Chwillis@mdanderson.org">mailto:Chwillis@mdanderson.org</a>] Sent: Tuesday, December 02, 2008 6:41 AM To: <a href="mailto:ed@compros.com">ed@compros.com</a> Subject: [Team3S] RE: Team3S: VR4 repair Btw did you ever do anything with the injectors? Did you ever change the fuel filter? Why are you suspicious of a problem in reinstalling the plenum? It only goes back on one way. Are you thinking that there is a vacuum leak there? ----- Original Message ----- From: Willis,Charles E <<a href="mailto:Chwillis@mdanderson.org>">Chwillis@mdanderson.org&gt</a>; To: Willis,Charles E Sent: Tue Dec 02 08:29:49 2008 Subject: [Team3S] RE: Team3S: VR4 repair selling it broken is a bad choice - basically it's going to go for salvage value. If you don't have the coin to get it running, then you don't really have an alternative. Chuck -----Original Message----- From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] Sent: Monday, December 01, 2008 11:50 PM To: Willis,Charles E Subject: [Team3S] RE: Team3S: VR4 repair My 91 VR4 with 150,000 miles has been out of service for almost 2 yrs, started with plugs 1 and 3 not firing, after 2 attempts to repair both ECS and ECU computers, replacing coils, spark plugs and cables, it never ran well at all, gas leaks, etc. I may have done something wrong when I reinstalled the plenum. I am planning to have it towed to Winn Motors in San Francisco for evaluation and repair. My question is: I have seen similar cars on EBay for under $3000, I am going to sell the car anyway. How much is it worth spending on a repair? I have to pay $110 for evaluation, probably about $150 for towing, reregister the car and smog it. The car was in OK shape before it broke, tires and wheels are fair. What would you recommend me to do? Thank you, Ed Vinces -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a>

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RE: Team3S: VR4 repair

Tue, 02 Dec 2008 14:42:00 GMT

Btw did you ever do anything with the injectors? Did you ever change the fuel filter? Why are you suspicious of a problem in reinstalling the plenum? It only goes back on one way. Are you thinking that there is a vacuum leak there? ----- Original Message ----- From: Willis,Charles E <<a href="mailto:Chwillis@mdanderson.org>">Chwillis@mdanderson.org&gt</a>; To: Willis,Charles E Sent: Tue Dec 02 08:29:49 2008 Subject: [Team3S] RE: Team3S: VR4 repair selling it broken is a bad choice - basically it's going to go for salvage value. If you don't have the coin to get it running, then you don't really have an alternative. Chuck -----Original Message----- From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] Sent: Monday, December 01, 2008 11:50 PM To: Willis,Charles E Subject: [Team3S] RE: Team3S: VR4 repair My 91 VR4 with 150,000 miles has been out of service for almost 2 yrs, started with plugs 1 and 3 not firing, after 2 attempts to repair both ECS and ECU computers, replacing coils, spark plugs and cables, it never ran well at all, gas leaks, etc. I may have done something wrong when I reinstalled the plenum. I am planning to have it towed to Winn Motors in San Francisco for evaluation and repair. My question is: I have seen similar cars on EBay for under $3000, I am going to sell the car anyway. How much is it worth spending on a repair? I have to pay $110 for evaluation, probably about $150 for towing, reregister the car and smog it. The car was in OK shape before it broke, tires and wheels are fair. What would you recommend me to do? Thank you, Ed Vinces -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a>

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RE: Team3S: VR4 repair

Tue, 02 Dec 2008 14:32:00 GMT

selling it broken is a bad choice - basically it's going to go for salvage value. If you don't have the coin to get it running, then you don't really have an alternative. Chuck -----Original Message----- From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] Sent: Monday, December 01, 2008 11:50 PM To: Willis,Charles E Subject: [Team3S] RE: Team3S: VR4 repair My 91 VR4 with 150,000 miles has been out of service for almost 2 yrs, started with plugs 1 and 3 not firing, after 2 attempts to repair both ECS and ECU computers, replacing coils, spark plugs and cables, it never ran well at all, gas leaks, etc. I may have done something wrong when I reinstalled the plenum. I am planning to have it towed to Winn Motors in San Francisco for evaluation and repair. My question is: I have seen similar cars on EBay for under $3000, I am going to sell the car anyway. How much is it worth spending on a repair? I have to pay $110 for evaluation, probably about $150 for towing, reregister the car and smog it. The car was in OK shape before it broke, tires and wheels are fair. What would you recommend me to do? Thank you, Ed Vinces -- To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a>

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RE: Team3S: VR4 repair

Tue, 02 Dec 2008 06:11:00 GMT

Sell it for $2k to someone that knows these cars. If you were around Seattle, I would take you up on that... Tyson Varosyan Technical Director, Uptime Technical Solutions LLC. <a href="mailto:tyson@up-times.com">tyson@up-times.com</a> www.up-times.com 206-715-TECH (8324) UpTime/OnTime/AnyTime -----Original Message----- From: Edward Vinces [<a href="mailto:ed@compros.com">mailto:ed@compros.com</a>] Sent: Monday, December 01, 2008 9:50 PM To: <a href="mailto:tigran@tigran.com">tigran@tigran.com</a> Subject: [Team3S] RE: Team3S: VR4 repair My 91 VR4 with 150,000 miles has been out of service for almost 2 yrs, started with plugs 1 and 3 not firing, after 2 attempts to repair both ECS and ECU computers, replacing coils, spark plugs and cables, it never ran well at all, gas leaks, etc. I may have done something wrong when I reinstalled the plenum. I am planning to have it towed to Winn Motors in San Francisco for evaluation and repair. My question is: I have seen similar cars on EBay for under $3000, I am going to sell the car anyway. How much is it worth spending on a repair? I have to pay $110 for evaluation, probably about $150 for towing, reregister the car and smog it. The car was in OK shape before it broke, tires and wheels are fair. What would you recommend me to do? Thank you, Ed Vinces

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RE: Team3S: VR4 repair

Tue, 02 Dec 2008 05:51:00 GMT

My 91 VR4 with 150,000 miles has been out of service for almost 2 yrs, started with plugs 1 and 3 not firing, after 2 attempts to repair both ECS and ECU computers, replacing coils, spark plugs and cables, it never ran well at all, gas leaks, etc. I may have done something wrong when I reinstalled the plenum. I am planning to have it towed to Winn Motors in San Francisco for evaluation and repair. My question is: I have seen similar cars on EBay for under $3000, I am going to sell the car anyway. How much is it worth spending on a repair? I have to pay $110 for evaluation, probably about $150 for towing, reregister the car and smog it. The car was in OK shape before it broke, tires and wheels are fair. What would you recommend me to do? Thank you, Ed Vinces

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Re: Supra fuel pump = higher fuel pressure ?

Mon, 01 Dec 2008 19:39:00 GMT

If you keep the stock resistor, the PRR will not be overrun, and the pressure will stay the same as before. I have a Supra pump and I have a super-duper gauge that tells me that my fuel pressure is always 41-42 psi above the manifold pressure, idle or WOT. Philip Supercar Engineering, LLC <a href="http://supercar-engineering.com">http://supercar-engineering.com</a> (248)342-3231 Matt Jannusch wrote: >> Today I've run into a question that I'm simply not sure if I answer it correct. When exchanging the stock fuel pump >> with a Supra pump that flows around 110l/h more, will the fuel pressure rise or will run just more "unused" fuel trough >> the lines back into the tank ? The scenario only looks into the low rpm (below 3000rpm) area and at idle (therefore the >> resistor limits current to the pump and only around 7 volts are measured at it). I'd say that FP rises but it is not >> much if any so the ECU will adapt to the richer mixture and changes its offset on the fuel table so IDC is getting >> lower. > > If you bypass the resistor to give full voltage all the time, it will > overrun the return line at low RPM, causing the pressure to rise above > spec. I don't recall hearing about issues as long as the resistor is > still in place. Been a while since I've dealt with fuel system stuff > though. > > -Matt > '95 3000GT Spyder VR4 > '93 3000GT VR4 > '91 3000GT VR4 > >

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Re: Jerking felt in steering wheel

Mon, 01 Dec 2008 19:19:00 GMT

That's what it sounds like to me, too. I would not drive it until this is resolved. Did you check the torque on the lug nuts, btw? David M. ----- Original Message ----- From: "rgg3" <<a href="mailto:rgg3@bellsouth.net>">rgg3@bellsouth.net&gt</a>; To: <<a href="mailto:ainut@hiwaay.net>">ainut@hiwaay.net&gt</a>; Sent: Monday, December 01, 2008 10:10 AM Subject: [Team3S] Jerking felt in steering wheel > > Hi Guys, > > Leisurely driving home the other day (35 mph in a 2-lane posted zone) when > I > felt a second or so of sudden, rhythmic jerking in the steering wheel. > Thought it was probably a rough patch in the road, until it happened again > a > few blocks later. The jerking was really pronounced with more pulling > associated - and lasting longer than previously - in a sharp S-curve a few > moments later; then a very sharp, almost uncontrollable series of > jerks/pulls a few minutes later on a straightaway. That episode started a > constant jerkiness of the steering wheel, not uncontrollable, but > troublesome, with a definite pulling sensation to the left. As soon as I > could get off the road I did a 360 check to make certain I hadn't had a > silent tire blowout, but tires were fine and I could see nothing else > unusual. Problem continued the rest of the 7-mile total distance trip. > She's been parked since I made it home. It felt as though it was coming > from > the front; the pulling felt as though it was on the driver's side. As the > problem progressed, my first impression was that she was trying to throw > the > tire. Don't know if this is enough info to make a diagnosis...all I could > think of was an axle problem or broken CV joint. ??? Any opinions > appreciated. > > Thanks. > Donna > 1992 Stealth R/T with 130,700+ miles > > > > > -- > To Unsub, please visit <a href="http://www.Team3S.com/Rules.htm">http://www.Team3S.com/Rules.htm</a> > -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - <a href="http://www.avg.com">http://www.avg.com</a> Version: 8.0.176 / Virus Database: 270.9.12/1821 - Release Date: 11/30/2008 5:53 PM

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Re: Supra fuel pump = higher fuel pressure ?

Mon, 01 Dec 2008 19:17:00 GMT

> Today I've run into a question that I'm simply not sure if I answer it correct. When exchanging the stock fuel pump > with a Supra pump that flows around 110l/h more, will the fuel pressure rise or will run just more "unused" fuel trough > the lines back into the tank ? The scenario only looks into the low rpm (below 3000rpm) area and at idle (therefore the > resistor limits current to the pump and only around 7 volts are measured at it). I'd say that FP rises but it is not > much if any so the ECU will adapt to the richer mixture and changes its offset on the fuel table so IDC is getting > lower. If you bypass the resistor to give full voltage all the time, it will overrun the return line at low RPM, causing the pressure to rise above spec. I don't recall hearing about issues as long as the resistor is still in place. Been a while since I've dealt with fuel system stuff though. -Matt '95 3000GT Spyder VR4 '93 3000GT VR4 '91 3000GT VR4

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