voice your input
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Joined: Nov 2002
Posts: 384
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From: jacksonville, florida
voice your input
hey guys. i am getting rid of my 305 lg4 and installing a fresh 350!!
here is the site with the engine(http://www.enginefactory.com/newchevy.htm) is this a good idea?? also what will i have to do to make all that horsepower really work. i have a stoke transmission in my 85 z. thanks guys!
here is the site with the engine(http://www.enginefactory.com/newchevy.htm) is this a good idea?? also what will i have to do to make all that horsepower really work. i have a stoke transmission in my 85 z. thanks guys! 
Supreme Member
Joined: May 2000
Posts: 2,963
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Car: 1982 Z28
Engine: LS1
Transmission: T56
It doesn't mention what heads it comes with, or any specifics on the engine such as cam specs or compression ratio. For $3750 it better be kick-butt...could be a dished-piston flat-tappet clunker.
By way of comparison, $3500 gets you a brand new GM ZZ4 crate engine at www.sdpc2000.com complete with aluminum intake, 10.x:1 compression, hydraulic roller cam, decent aluminum heads, balancer + flywheel, etc. GM rates it at 355hp/405lb-ft torque.
By way of comparison, $3500 gets you a brand new GM ZZ4 crate engine at www.sdpc2000.com complete with aluminum intake, 10.x:1 compression, hydraulic roller cam, decent aluminum heads, balancer + flywheel, etc. GM rates it at 355hp/405lb-ft torque.
Supreme Member
Joined: Jul 2001
Posts: 1,766
Likes: 2
From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
Your tranny should be able to hold up as long as you don't beat on it too bad. You should probably get some higer gears out back. Stock was something like 2.73 I think. I'd go with either 3.42 or 3.73 and an auburn posi. A higher stall convertor would help too.
Supreme Member
Joined: May 2000
Posts: 2,963
Likes: 3
Car: 1982 Z28
Engine: LS1
Transmission: T56
Originally posted by chefdan1
i like the 350 deluxe and it seems more practical. would or should i make any alterations to my transmission or gears??
i like the 350 deluxe and it seems more practical. would or should i make any alterations to my transmission or gears??
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The GM Crate engine - "350 HO Deluxe" - http://www.sdpc2000.com/cart.asp?act...id=120&pid=462
That's asking for a lot of new problems.
That's asking for a lot of new problems.
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Supreme Member
Joined: Jul 2001
Posts: 1,766
Likes: 2
From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
The 350 deluxe is a 335hp engine that is almost complete. I think you only need a carb and fuel pump. I think it sells for a little less than the zz4.
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Joined: Nov 2001
Posts: 11,634
Likes: 3
From: Maryland; USA
Originally posted by kfoley
Your tranny should be able to hold up as long as you don't beat on it too bad. You should probably get some higer gears out back. Stock was something like 2.73 I think. I'd go with either 3.42 or 3.73 and an auburn posi. A higher stall convertor would help too.
Your tranny should be able to hold up as long as you don't beat on it too bad. You should probably get some higer gears out back. Stock was something like 2.73 I think. I'd go with either 3.42 or 3.73 and an auburn posi. A higher stall convertor would help too.
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