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Lt4?

H

Hijinx

Guest
I got a call today from a friend about having an LT4 engine in his possession. He was wanting to know if I wanted it for $600. I know nothing about this motor. Can someone give me some idea if its worth the money? I have not seen it yet and have no idea what shape its in. He said he was told it was running when it was pulled. I am thinking the heads and fuel injection may be worth the money. I could also possibly talk him down to around $400. Thoughts.
 

Tom73

Well-known member
Joined
Aug 21, 2001
Messages
1,427
Location
Round Rock, TX
Corvette
73 LS4 Coupe - 04 CE Conv
If it is not blown up, buy it. Well worth $600. The LT4 was used only in 1996. Came with any Vette with the manual trans that year. It was an upgrade to the LT1 at 330 hp compared to 300 hp.

tom...
 

69MyWay

Well-known member
Joined
Jul 3, 2001
Messages
4,364
Location
Auburndale, Florida
Corvette
1969 Killer Shark
It is well worth that price. However, please be advised from the been there done it file, that the cost involved in retrofitting one of those into a different car is crazy. There is much more to making it run outside of the donor car than a harness alone.

Othere than street rods, if you spent the money that it takes to get those in tip top shape and running in the donor vehicle, you could have built a heck of a normal V8 that would run circles around the LT4.

You also need to get all the numbers possible off the block, and make sure that it is not some old worn out LT1 with LT4 covers on it.
 
H

Hijinx

Guest
Good advice, Chris. Do you know if the heads will swap over. I expect not, since its a second, or is it third, gen 350.
 

Tom73

Well-known member
Joined
Aug 21, 2001
Messages
1,427
Location
Round Rock, TX
Corvette
73 LS4 Coupe - 04 CE Conv
Hijinx said:
Good advice, Chris. Do you know if the heads will swap over. I expect not, since its a second, or is it third, gen 350.

The only major part that is interchangable between the classic Chevy small block and the LT1/LT4 is the crankshaft. Nothing major is interchangable between the CSB or LT1/LT4 and the current LS1/LS6.

tom...
 

supernatural400

Well-known member
Joined
Feb 25, 2001
Messages
410
Location
massachusetts
Corvette
1993 SuperNatural 400 #5 /99 LS1 Z28 N2O equipped
pop the valve cover if it roller rockers it's and LT4, but those could be aftermarket too. your better off getting the number off the block and check with chevy. also be advised that the early production LT4 motors had a recall due to a rocker problem which was fixed later in the year
 

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