Lt-4 heads on lt-1

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Jan 9, 2013 | 01:50 PM

bk2t50s

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5th Gear

Joined: Jan 2013

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Lt-4 heads on lt-1

Greetings, I plan to install a pair of factory LT-4 heads, 1.6 rockers, and manifold on my 1994 LT-1 with the 4L60E transmission. I would like to know how much more torque and HP I will get without going to the Hot cam? Also, if I go with the hot cam any idea what rpm stall convertor I will need and how much HP this will generate. The car is not raced and is on the street most of the time. I appreciate any and all advice, thank you.

Jan 19, 2013 | 03:36 AM

cv67

Team Owner

Joined: Oct 2004

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From: altered state

St. Jude Donor '05

The LT4 was rated at 30hp more than your Lt1
Dont expect a lot from the head swap. An improvement though no doubt

Jan 30, 2013 | 07:26 PM

blkdevl

Burning Brakes

Joined: Sep 2007

Posts: 1,212

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From: fort hood tx

I had lt4 top end with huge cam headers and bigger tb on my 95 I used to have. it put down 350 to tires. Manual trans.

Jan 31, 2013 | 02:59 AM

OKZ06

Safety Car

Joined: Nov 2012

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From: Enid Ok

St. Jude Donor '13-'14

I have always been told there is alot better use of your monies then swapping to a lt4 top end, unless you have a cheap in on the heads and intake.

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