So how does GM not having these issues with transmissions since you used OEM parts and they were still out of spec? There's no way they're adjusting each drive train that's being built.
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Trey
Current rides: 2000 BMW 540i/6 and 86 C10.
Former ride: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
So how does GM not having these issues with transmissions since you used OEM parts and they were still out of spec? There's no way they're adjusting each drive train that's being built.
Good question. However, I did not check the initial installation, and since it's been many years later, things move.
Went through a somewhat similar exhaust upgrade/downsize on my car!
Albeit no OEM parts were used, JP took my car from a Racecar loud 3" exhaust system with an H-pipe that went into 3" straight through "RacePro" mufflers and 3" tails... it sounded great at idle or loping into a parking lot but RaceCar loud was just too much!
Kept the Heddman headers on my 440-Pontiac but used their SS reducers to drop to 2.5" SS to an x-pipe that we placed "sideways" ahead of the BMR torque arm and then 2.5" to full stainless Dynomax Turbo mufflers and 2.5" tails out the back.
The new system is mellow at cruise, still has a muscle car sound at idle and sounds angry at WOT!
Can't wait to hear yours Carl!
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Ty Ingle, USAF Retired
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The Following User Says Thank You to OLDFLM For This Useful Post:
Man look at those welds. Lol. I wonder if anyone has ever done a dyno comparison with the x-pipe the way you have it vs. the normal (lengthwise) as I would think the banks might be fighting each other
The good:
We always learn something from your pain and experience.
The bad:
Is that you have habitual people in your car building history that love to spend your money for you... lol.
Great to see your work toward reliability has put you in a great place for the future experience and trips/events planned. Good point on the checking of even OEM parts for their respective use and being within spec. Albeit, much better than it has been in the last 50 years or so, even the new stuff needs a good once over.
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
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