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

Other vehicles with LT1's?

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Old Jan 18, 2007 | 05:14 PM
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Default GM's with LT1 questions...

I just recently discovered that Cadillac Fleetwoods in 94-96 had LT1's and were rwd (I always thought the early 90's were fwd northstars).

Are there any other cars that LT or LS series engines came in stock- other than the Camaros, T/A's, Corvettes, or trucks (unless one happened to come in a compact truck)


*EDIT* I just did a little research (thanks wikipedia) and learned what other vehicle got LT1's--though still not sure which were rwd.
1994-1996 Buick Roadmaster (LT1 only)
1994-1996 Cadillac Fleetwood (LT1 only)
1994-1996 Chevrolet Caprice (LT1 or L99)
1994-1996 Chevrolet Caprice Police Package (LT1 or L99)
1994-1996 Chevrolet Impala SS (LT1 only)

However, it leads me to a new question:

Since the mentioned cars got LT's with iron heads, is it completely possible to R&R with the heads and/or intake manifold from a T/A, Z28, or Corvette? Also, do any of those cars come with posi?

Thanks guys!

Last edited by frapjap; Jan 18, 2007 at 05:28 PM.
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Old Jan 18, 2007 | 09:42 PM
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You can pretty much change anything around on the LT1's. Intakes are the same, except for the 1993, it it doesn't have the Fuel Rail cross-over. You can put a complete LT4 setup in a Caprice or a Caddy, depends on how much you want to spend..
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Old Jan 18, 2007 | 10:22 PM
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Impala SS would be the only one with Standard Limited slip. OPtional on all other cars. Intake is the same. Block is the same. Difference in Heads, Cam, Exhaust, etc.
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Old Jan 19, 2007 | 07:08 AM
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Originally Posted by buffman
Impala SS would be the only one with Standard Limited slip. OPtional on all other cars. Intake is the same. Block is the same. Difference in Heads, Cam, Exhaust, etc.
So it is an easy replacement without fitment issues if you were to take the cam, heads, and intake from the camaro and add them to the fleetwood?
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Old Jan 19, 2007 | 09:15 AM
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My 1996 Silverado has a LT1
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Old Jan 19, 2007 | 03:28 PM
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Originally Posted by fergymoto
My 1996 Silverado has a LT1
Only if you put it there because GM sure didn't.
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Old Jan 19, 2007 | 03:56 PM
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Originally Posted by frapjap
So it is an easy replacement without fitment issues if you were to take the cam, heads, and intake from the camaro and add them to the fleetwood?

intake as intake manifold??? If ineed they're the same...
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Old Jan 19, 2007 | 05:50 PM
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Originally Posted by frapjap
So it is an easy replacement without fitment issues if you were to take the cam, heads, and intake from the camaro and add them to the fleetwood?

What are you looking too accomplish?
The iron heads flow more than MOST of the aluminums and only the best aluminums manage to equal the iron heads flow.
The f-body cam is pretty si milar and if anything will just move the powerband up slightly, a BAD thing with a 4600+lbs whale of a car.
Is the cars are the same year it is very likely the intake are already identical.

The power rating differences between these vehicles can be more greatly attributed to the grandpa quiet intake tract and exhaust the b/d-bodies got and their 87 octane programming.
I know that hurts the feelings of those kids who want so very badly to believe the aluminum heads and f-body cam are wonderful but sometimes the truth hurts.
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Old Jan 20, 2007 | 04:53 PM
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Originally Posted by 96capricemgr
What are you looking too accomplish?
The iron heads flow more than MOST of the aluminums and only the best aluminums manage to equal the iron heads flow.
The f-body cam is pretty si milar and if anything will just move the powerband up slightly, a BAD thing with a 4600+lbs whale of a car.
Is the cars are the same year it is very likely the intake are already identical.

The power rating differences between these vehicles can be more greatly attributed to the grandpa quiet intake tract and exhaust the b/d-bodies got and their 87 octane programming.
I know that hurts the feelings of those kids who want so very badly to believe the aluminum heads and f-body cam are wonderful but sometimes the truth hurts.
Lol, love that last line. I've thought out changing the cam, but after some beers last night, I too realized that its not going to be effective considering the Caddy's weight. However, I wasn't aware the irons did flow better. I heard the rumor, but never thought it was truthful. Thanks for the info!~
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Old Jan 20, 2007 | 04:58 PM
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Originally Posted by matthimself456
Only if you put it there because GM sure didn't.


No **** sherlock. LOL
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