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    Rare Factory Lightweight 87 GN for sale

    Check out the link below for all the info on the car and more pictures. Autotrader Ad of 1987 Buick Grand National This car has a lot of time and work into it. I've never seen another GN with crank windows and manual door locks and so few options from the factory. Over $10,000 in the...
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    tuning nightmare help!

    Here's some scanmaster numbers after driving for 30 minutes. This is at idle. AF=3 INT=128 BL=90 CLT=184 ATS=103 RPM=825 TPS=.42 PL=2.1 SP=20.3 L8=32 MPH=0 I didn't have an IAC reading on it for some reason, does it not show at idle? I have my propane injection ready to use but...
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    Sudden boost drop and RPMs stuck HELP!

    Drove the car all the way home with no issues. Been testin out the propane system. I pop the hood after I notice my first issue, it feels like its pulling timing under lower mph hard acceleration (with no knock and normal O2s). I can floor it in 3rd gear and run it up fast with no knock either...
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    auto-xray? tried it?

    http://store.summitracing.com/egnsearch.asp?N=115+310819&D=310819u anyone used this before? I used a similar one once before and seemed to cover all the basics for tuning pretty well. Has a good 30 seconds or so of recordings stats. I just want something easy to carry, and easy to read. I...
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    Pro-Pain help!

    I have the Pro-Pain kit installed currently. So far everything has checked out, filled it up, pressure is about 150, theres a second gauge on the left that I dont remember the number on. I left my boost at 16 or 17 (what I run normally on pump gas) to see if it lights up right. With it on, the...
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    blue smoke on startup on new rebuild?

    I let some smoke go while the seals were all seating and I was running the car through some heat cycles. however, the car has had plenty of break in and its still getting blue smoke at start up. Is this the valve seals?
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    Cig-lighter, no power

    I want to power my little lap-top to run Turbo-link but for some reason my cig-lighter isn't getting any juice. Which fuse is directly associated with it? any other ideas of what might be keeping it from working? tested the lap top on different car and worked fine, and pushed in cig lighter...
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    New great Dyno #'s but a problem

    Finally got the beast all together and on the machine to check out some numbers and see how the air/fuel was treating me. I have to say the Trans+ was a worthy investment. I was able I to keep a very stable 12.3-12.4 A/F ratio with it. Cranked the boost up to about 20ish got 384RWHP...
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    Best value Cam, pistons, rods for street

    Its time to put a new cam, pistons and rods in my daily driver and I want to know your views on brands and value and what you paid. What cam for a daily driver but still has some balls to it? Forged pistons and rods stock compression the motor will be slightly bored out to clean up the...
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    Whats this Motor Knocking?

    Didn't seem to notice any strangeness in how the car was running before, and don't think I noticed any knocking noise before either. I just got an oil change yesterday right at my 3K miles, with synthetic oil. I have the right amount in it. Today I had the hood popped with the motor on and...
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    Testing

    avatar?
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    Can't lower the boost!

    I have the adjustable wastegate and a manual boost controller on the car. the adjustable one is pretty old, the manual boost controller is new. Is this a problem with the wastegate? is it leaking from the diaphram maybe? I can turn the manual controller either way multiple turns and still...
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    New TA-53 bites the dust!

    Well I have yet to take off the downpipe to confirm it, but I'm 99% sure my new TA-53 has suffered the same fate as my last TA-51 turbo did. I was having strange problems that seemed like it could have been a vacuum leak or exhaust leak causing boost issues... but now it just started oil...
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    lost boost and slow spool

    last night after flooring it a few times with no problem, I gun it once and it just loses power. I went from around 19 or 20psi down to 15psi and it spools incredibly slow too. As far as I know, theres really only two things that can effect the boost like that, a vacuum leak or an exhaust leak...
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    Is there a Gasket for 3" THDP??

    I recently had a 3" THDP put on my car and they put a gasket between the downpipe and the turbo. Since then within a week the gasket has been "blown out". I don't recall having a gasket between the turbo and downpipe before when the THDP was originally put on the car.... (this is the second time...
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    Show And Shine Car Show!

    Springfield, IL Lake Springfield Show & Shine! This is a Show and Shine for all Types of rides. Bring everything and anything you got. Show Off and check out some kick ass music and enjoy some good BBQ. 55 to the Stevenson exit, take that to West Lake Drive, Take that to East Lake Shore...
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    Propane fit in a 3rd Gen RX7?

    I have a friend interested in puttin Jay's Pro-pain kit in his 3rd Gen RX7 but he doesn't think that bottle will fit in the rear hatch... and ideas? I know the Eclipse guys put it in their bumper??
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    Propane for more fuel?

    I have a TA-53 which can supply much more power than my 009 injectors can handle, will running propane injection make up for some of the lack of fuel when I run higher boost levels (like 24-26psi)?
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    Advice on badly cracked header??

    My drivers side header is cracked AGAIN after being welded once. What should I do?
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    Dead TA-51 Update

    I'd like to thank Precision Turbo for helping get through my little turbo crisis so smoothly.The turbo looks great, all cleaned up, arrived in a very timely fashion and I was very pleased.I went ahead and dropped $150 for a new exhaust housing and had them upgrade the turbo from the TA-51 to a...
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