LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Heads questions

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Old Mar 20, 2012 | 08:53 AM
  #1  
Mohammed's Avatar
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Default Heads questions

1994 Corvette

Engine mods

LT4 hot cam kit
CSR Electric WaterPump
Exotic Muscle longtubes
SLP Claw Ramair
.
.
.

The car has rough idle , I don't know why.


My questions are :

Is it worth to buy heads ?

How much HP gain ?

What are good heads options I can go with my mods ?

I'm noob with heads , I don't understand how I can choose the right heads to LT1/LS1. I've read a lot but
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Old Mar 20, 2012 | 09:44 AM
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Did you have the pcm reprogrammed?

Heads can offer a huge gain but I probably wouldn't bother with just a HOT cam.
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Old Mar 20, 2012 | 09:46 AM
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Was the car tuned after the cam?
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Old Mar 20, 2012 | 10:13 PM
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Originally Posted by 96capricemgr
Did you have the pcm reprogrammed?

Heads can offer a huge gain but I probably wouldn't bother with just a HOT cam.
Yes.

Heads will improve performance of your car on the top end by quite a bit, probably push you close to the 400 rwhp mark.
guess that worth it ?


Originally Posted by Mystery Bird
Was the car tuned after the cam?
Yes it was.
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Old Mar 21, 2012 | 06:38 AM
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It wont make 400rwhp with the HOT cam.

Heads/cam LT1s routinely top 400rwhp but that does not mean any old heads and any old cam will top 400rwhp.
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