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1992 LT1 Auto (G92) RPO

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Old 07-09-2017, 05:32 PM
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Cool Runnings
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Default 1992 LT1 Auto (G92) RPO

So, my car has the 'Performance Axle Ratio' and it's 3:07.


Sounds stock to me, guess not, what's the deal?
Old 07-09-2017, 05:37 PM
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1993C4LT1
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base ratio is a 2:53 or 2:59
Old 07-09-2017, 05:47 PM
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Cool Runnings
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Originally Posted by 1993C4LT1
base ratio is a 2:53 or 2:59


WoW, that's really high gearing. Once had a 429SCJ built up, the previous owner put a 3:01 (4 speed manual). It was a tire smoker in town, good to 70 mph in 1st.
Old 07-09-2017, 07:14 PM
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tmirisola
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Same G92 ratio in my 1995 Coupe. A well balanced ratio IMO.


Old 07-09-2017, 07:35 PM
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Originally Posted by Cool Runnings
WoW, that's really high gearing. Once had a 429SCJ built up, the previous owner put a 3:01 (4 speed manual). It was a tire smoker in town, good to 70 mph in 1st.
its all in help to get RPMS down to help with gas millage
Old 07-09-2017, 08:57 PM
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mark970
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G92 G44 is the performance rear with a ratio of 3:07
it's in the Rpo so how is this not stock (factory option)? It's just not non-G92.
BTW only 15% of 92's had the G92 (thats the lowest percentage of all the LT1 Corvettes to have a G92 RPO code).

My 92 has G92 as well but it has the GU2 ratio (2:73) which is still better than non-G92 cars but not as aggressive as G44...it's a nice balance of performance and highway cruising. The C4 G44 is one of the best G92 ratios ever made available in a modern Corvette (when comparing the % difference to the base ratio and that includes C5's...and i'm talking about Dana 36 cars)
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Last edited by mark970; 07-09-2017 at 09:23 PM.
Old 07-09-2017, 09:20 PM
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GU2 2.73 is a 'vert only option - I don't know about "ultra-rare" - anyone that wanted/ordered GOT IT!!!!

'verts got 2.73 and coupes 3.07 -

Last edited by WVZR-1; 07-09-2017 at 09:22 PM.
Old 07-09-2017, 09:22 PM
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mark970
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Originally Posted by WVZR-1
GU2 2.73 is a 'vert only option - I don't know about "ultra-rare" - anyone that wanted/ordered GOT IT!!!!
i did not know its Vert only...but this is the FIRST C4 Gu2 I have ever seen...and i can say, that i request an photo of the RPO sticker for EVERY car i inquire about and i have never seen a C4 with Gu2 in the 2 years ive been car shopping (because i've never shopped for Verts until just 2 weeks ago).

so thanks for teaching me something

That does make sense though, it wouldnt be as aggressive thus not as hard on the Vert body...and i will edit my post

Last edited by mark970; 07-09-2017 at 09:26 PM.

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