LT1-LT4 Modifications - 383 question
01-05-2008, 11:47 PM
So my dad is purchasing an auto 97 SS $360. There's a rod knock. He wants to stroke the motor ( 383 stroker ) but leave the cam ( whether its stock i dont know but im 99% sure it is ). Will he see ANY gains to this?
01-06-2008, 01:04 AM
Gains? maybe. Cam would make a tremendous difference over the stock one on a 383. For an extra $250 it would be stupid not to. I mean the stock cam will have to come out anyway for the rebuild, so there no extra labor.
01-06-2008, 09:44 AM
A 383 without addressing the heads and cam is a huge mistake. There is a kid on here who got taken for a ride by a bad machineshop. Kept stock heads and put a little more cam in it and the thing put basically stock power too the wheels and runs slower on the bottle than my car does NA. He finally found some forums and is now in the process of learning so he can correct all the mistakes made the first time around.
Turn the crank and replace the knocking rod. If you need a single replacement rod shoot me a PM I have sold singles to guys in this position before.
Can get the car back up and running for a few hundred dollars.
01-06-2008, 10:14 AM
he wants to put a mild cam in the car. What would you reccomend for value of the car? rebuild it to stock?
01-06-2008, 10:30 AM
I would not machine the block atall. Turn the crank and rebearing or if you have your old crank polish it and rebearing.
The single knocking rod would need replacing simply because that is cheaper than reconditioning.
I helped a guy who was out of work and on a TIGHT budget do this last winter.
Crank polished is like $35 grinding is like 110+
I have sold individual rods with piston for $20 shipped, put your rings on it
The stock Mahle bearings are like $80
Would put a $3 higher pressure oil pump relief spring in it.
$51 for the felpro conversion gasket set, basically the bottomened and timing cover
$20 intake set
$45 for a set of Victor Rienz .026 gaskets, like the Mr. Gasket but without the bad packaging, these will get you some compression
$15 for a set of plugs
Throw in a set of wires and I still think that comes in under $400.
You will not get your money back out of an engine build.
01-06-2008, 08:21 PM
"So my dad is purchasing an auto 97 SS $360" , WHAT!!!! Buying a 97 SS for $350 ??? R u serious? I'll but it from him for $3500 :)
01-06-2008, 09:16 PM
383 with the stock cam lol.
I would advise your dad to maybe do a little research on these cars before he does any modding.
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