Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
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Old Nov 21, 2008 | 12:19 PM
  #1  
kowboy59's Avatar
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From: kissimmee fl
Car: 88 iroc-z z-28
Engine: 383
Transmission: th400
Axle/Gears: 3.42
If anyone cares

I just had to pull my motor out again thinking i spun a rod bearing only to find out a super broken flexplate.

We then started takig the cam out because I was going to do the swap while it as out. I saw that an oil galley plug came out and had gone though the motor. I had lossed oil pressure somewhere in the motor.

well i took it all apart found out front and back of the crank was partially seized up, the main bearings had one onethousandth of a inch for clearance and just so much stuff that was wrong.

The guy who did my heads always said that my 383 should be verry peppy and it really never was. Now I know why.

Welll i might have a partial lawsuit or something at the company that built the bottom end.




Anyways i decided to take my time and i started gasketmatching the heads and intake. just gasket matching my heads i picked up 10cfm.

overall now the heads are flowing 280cfm. im pretty happy bout that.

i had a professional producst inatke on it. the Hurricane and I will tell everyone now do not get it. We flowed it on the head and lost 60 cfm.
thats roughly 100hp.

we then flowed a victor jr untouched and it came up to 263cfm.
I am now buying a gasket matched victor jr and i think i should be flying when i come back.

motor will be loosened up and not partially seized. picked up around 100cfm.
brand new custom grind cam. better intake.
shifting at 7k instead of 6300

its gonna be fun
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Old Nov 21, 2008 | 03:28 PM
  #2  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
A letter from a lawyer is rarely the best first contact with a shop that hasn't done something right. Neither is showing up at the shop with an attitude.

How did you come to pick this shop in the first place? Lowest bidder? One screw-up doesn't make them incompetent, or do you have other reasons to not take it back to them?

If you don't take it back to them, don't expect your money back. At most you are entitled to what it will take to make it right. And, they should get the first shot at that.
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