92/93 LT-1 diff?

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Dec 9, 2009 | 02:42 PM

C4vettrn

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Burning Brakes

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From: Ft Wayne IN

92/93 LT-1 diff?

Why do so many LT-1 parts start at 93 and leave out the 92? I understand the OPTI years differences but what else am I missing?

Is the vette a F or Y-Body? :o I forgot for some reason "old age"

Dec 9, 2009 | 02:47 PM

kimmer

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Dont know if it's a y but it isnt an f.

Dec 9, 2009 | 02:51 PM

vettestir1

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From: Marysville WA

The Vette is a Y body. A lot of the motor parts are the same as the F body parts that started in 93. The Vette was the only car in 92 with the LT1 so they somtimes forget us Vette owners.

Dec 9, 2009 | 06:34 PM

surfer92

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From: vero beach florida

Quote:

Originally Posted by vettestir1

The Vette is a Y body. A lot of the motor parts are the same as the F body parts that started in 93. The Vette was the only car in 92 with the LT1 so they somtimes forget us Vette owners.

That and they are almost identical, early 93's are the exact same as 92 engines, then slowly parts started changing, i.e. serpentine belt, IAC.

93 is by far the worst year for ordering parts, I take back more parts for my sons 93 because GM changed parts mid year.

Dec 9, 2009 | 06:52 PM

C4vettrn

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Burning Brakes

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From: Ft Wayne IN

THANKS GUYS!

Dec 9, 2009 | 10:43 PM

socalman

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St. Jude Donor '10

Lots of parts are different for 92 vs the 93-96. Major motor is the same, but MAF, air plenum, valve covers, ECM for example.

Don't buy parts listed as 93-96 as when it's listed that way, then there is something different for the 92'

Dec 10, 2009 | 02:25 AM

jimg's'93

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From: Charlotte NC

Just my opinion, but I'd guess that GM scrambled to make the LT1 40th that much better. Those final designs came out in '94. That made the '93 a 'unique' year.

Just MO

Dec 10, 2009 | 03:11 AM

rodj

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From: Australia

Quote:

Originally Posted by socalman

Lots of parts are different for 92 .... MAF, air plenum, valve covers, ECM for example. '

92 -93 Vette LT1 was speed density ; didn't have a MAF
92 -93 Vette LT1 has same 16159278 ECM .Last ECM to have a removible chip
LT1's don't have a plenum; is one piece intake
The '92 -'93 intake does not have the fuel crossover that the '94+ intakes do

Last edited by rodj; Dec 10, 2009 at 09:40 PM.