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

Need LT5 education!

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Old 02-06-2004, 09:06 PM
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Default Need LT5 education!

I know what an LT1 and an LT4 is (who dosen't) and what vehicals they came in. What the HELL is a LT5 . Maybe I'm just ignorant or just plain stupid, but until I clicked on this web site I have never heard an LT5. I have what I thought was pretty extensive knowlege of what engine goes into what GM vehical for the past 30 or so years. I guess I don't. Some one educate me! Thanx!
Old 02-06-2004, 10:18 PM
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The LT5 is a 32 valve overhead cam motor that came in the ZR-1 Corvette. I believe it was made by Lotus and Merlin for Chevy.
Old 02-07-2004, 05:21 AM
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Lotus designed the heads,Mercury Machine built everything. HP varied from 375-405 (i believe). replacement crate engines avereage around $35k.
Old 02-08-2004, 12:23 AM
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Mercury machine? I thought it was mercury marine?
Old 02-08-2004, 12:01 PM
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your right,i had too much on mind that day,it was Mercury Marine.
Old 02-08-2004, 04:21 PM
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Thanks alot every body. Anybody know what year ZR-1?
Old 02-08-2004, 06:09 PM
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ZR1 was from 89-95 i believe. later years being the more powerful cars.
Old 02-08-2004, 11:15 PM
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ZR1's were 90MY cars to 95MY. Chevrolet notified dealers on April 19th, 1989 that the ZR1 option would not be available until the 1990MY. The ZR1 option was $27,016 on top of the $31,979 coupe. 3,049 buyers shelled out the $58,995 for the "King of the Hill" that the ZR1 was nicknamed. The LT5 pumped out 380hp and was upped to 405hp in 1993. Murcury Marine built the last LT5 engine in November 1993. From 90-95 a total of 6,939 ZR1s were produced. The LT5 was an all aluminum (block and heads) DOHC 32 valve motor.


All info came from "Corvette: America's Sports Car". Worth checking out if you get the chance.
Old 02-08-2004, 11:50 PM
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theres also a book called Heart of The Beast that is all about the lt5 and zr1 vette and its an awesome read
Old 02-09-2004, 05:26 PM
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Originally Posted by Scott96LT1
ZR1's were 90MY cars to 95MY. Chevrolet notified dealers on April 19th, 1989 that the ZR1 option would not be available until the 1990MY. The ZR1 option was $27,016 on top of the $31,979 coupe. 3,049 buyers shelled out the $58,995 for the "King of the Hill" that the ZR1 was nicknamed. The LT5 pumped out 380hp and was upped to 405hp in 1993. Murcury Marine built the last LT5 engine in November 1993. From 90-95 a total of 6,939 ZR1s were produced. The LT5 was an all aluminum (block and heads) DOHC 32 valve motor.


All info came from "Corvette: America's Sports Car". Worth checking out if you get the chance.
WOW!!! Thanx for the info. I imagine that being so rare the price of one in Concourse condition is probably well over the original price. Thanx again everybody!
Old 02-11-2004, 01:38 PM
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Just about everything you need to know about the ZR-1 and the LT5 can be found here: www.zr1.net



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