I have a 1994 Z28 w/ 6 speed manual tranny. I wanna buy a crate LT1 for it, but have noticed code F, code Y and different year model LT1's with a slight variation in pricing. What is best code to get, and why is the 94 LT1 Y code the most expensive? Does it have more hp?

 

I believe they are talking about the body code.
F for Camaro and Firebird.
Y for corvette.

Hope it helps.

Chris.

 

That makes sense, so would there be a problem putting a Y into my 1994 Z28? Is there enough of a difference in performance to warrant buying a LT1 that is not specifically for my Z28?

 

Nope no problem.
The corvette LT1 should be a four bolt main with a bigger cam.
So I would guess you would need a reprogramed computer chip.
But I would think it would be worth it.
Four bolt main is stronger than a two bolt.
Bigger cam little more HP.
Sounds good to me.
Just depends on you cash flow.

Hope I have been some help.

Chris.

 

yeah, that clarifies big time... cause I figure that if I am gonna spend $4k I might as well spend the extra $300 for the vette setup.. and with the exhaust upgrades and all.. I am gonna have to re-program either way...

 

Im pretty sure there is absolutely no difference in the Cam between the F-Body and Y-Body LT1. The differences are only in the 4 bolt main over the 2 bolt main. The increases HP figures you saw from Vette's was due to their lack of a completey restricted exhaust and slightly different air intake setup.

 

It still appears that it would be worth my while, for a little extra "low-end" insurance if nothing else... Plus, you never know where I may eventually want to go with the motor.

 

I thought that lt1 vettes only had like 250hp were the lt1 fbodys had 275 hp then in 96 they went to 285hp? I dunno maybe i am wrong.

 

i'd be surprised if the vette ever had the same/less horsepower than the fbody

 

The LT1 vettes are rated at 300hp and 330tq.

 

the cam specs were different. Not by much but they did differ between the fbodies and the vette. I have the gm spec page around here somewhere. However its not enough to throw anything but very slight differences on your stock tune. If i were you id save the 3 bucks, and buy a different cam shaft then stocker anyway. Also a PCM Tune. 2 bolt main LT1 has no shame. Ask around here on the board. If your thinking of making a huge monster out of the thing then go 4 bolt setup for only 300. But for 300 bucks difference you could get a com camps nice cc305 or cc306 or even a possible custom cam and tune and make a killer street/strip car.

 

for 4K you could buy a short block from here: http://www.golenengineservice.com/ I would buy a 383 short block.

Then I would send in my heads to LLoyd : http://www.eportworks.com/LT1LE2.htm

You will spend about the about same cash and a lot more hp at the end.

 

thanks for the info guys. I just found a 1995 Corvette motor (complete) with long tubes and all (even fuel rail covers) for $1000 about 45 minutes from my house!!!!!

I am gonna go pick it up Wednesday.... what should I do to it with the other 2k? I want a dependable/streetable fast car... keep in mind it is going into a 1994 Z28 6speed. picture attached

 

Head and cam package from Lloyd

 

Is there a link someone can send me to, so I can check out the Lloyd Elliot head/cam packages.. Also, do we have GP's on any?