C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Ring and pinion shopping list...

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Old Feb 1, 2006 | 01:52 PM
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Default Ring and pinion shopping list...

RMG-8310331 $105 - Richmond ring/pinion install kit,
RMG-SD4402 $170 - Richmond 3.54 sportsman gear set series 2 carrier

Is this all I need?

What's this mention of series 2 (<3.73) and series 3 (>3.73) carriers? And different ring gear sizes? I picked 8.5. And the vette having a d60 pinion yoke? I still can just buy this standard d44 gear set right?
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Old Feb 1, 2006 | 01:58 PM
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my website has an explanation on the 2 vs 3 series

with a manual, you have a D44 3-series
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Old Feb 1, 2006 | 02:19 PM
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Originally Posted by CentralCoaster
RMG-8310331 $105 - Richmond ring/pinion install kit,
RMG-SD4402 $170 - Richmond 3.54 sportsman gear set series 2 carrier

Is this all I need?

What's this mention of series 2 (<3.73) and series 3 (>3.73) carriers? And different ring gear sizes? I picked 8.5. And the vette having a d60 pinion yoke? I still can just buy this standard d44 gear set right?
In addition you will need the GM posi additive, and your choice of gear lube. A posi (Spicer, Trac Loc) clutch pack would be advisable. You will need a gear set intended for the Dana 44 ICA (assuming you have a 44) and not a conventional car or truck Dana 44 gear set. The </> 3.73 ratios you cite above are the breaks between the 3 and 4 series cases for conventional Dana 44 axles. It doesn't apply, directly to the Corvette, Dana 44 ICA, axle. Two series ratio gear sets are to be installed on two series diff cases. Threes on threes. A three series gear set with a thick ring gear is intended for installation on a two series case. If not in the installation kit, make sure your gear man has an ample supply of pinion depth, pinion bearing preload, and side bearing shims, for the proper set up. Pinion seal.

11/45 = 4.09
10/41 = 4.10
9/37 = 4.11

RACE ON!!!

Last edited by CFI-EFI; Feb 1, 2006 at 02:21 PM.
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Old Feb 1, 2006 | 03:10 PM
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Umm. There are no 3.54 gear sets for 3-series carriers. (Does 3-series refer to the carrier?)

I don't know what a "non-conventional, ICA" gear set looks like, or what to ask for in the summit catalog.






There is only one choice listed for D44, 3.54 gearset. RMG-sd4402

10-bolt, 26 spline pinion, 2 series carrier, 1.376 pinion shaft diameter.

Is this the correct ring/pinion set, and if it isn't, where do I get the correct one.
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Old Feb 1, 2006 | 04:18 PM
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Originally Posted by CentralCoaster
I don't know what a "non-conventional, ICA" gear set looks like, or what to ask for in the summit catalog.
IIRC, Summit doesn't carry ANY gearsets for the Dana Super44. I went through this with them last year.

Contact a rear-end shop like DTS, and have this discussion with someone who does a lot of 'Vette R&P swaps. Rich Perkins at 800-521-0628 can walk you through the process.

That gear set you listed is for a GM 10-bolt like the Camaro uses.
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Old Feb 1, 2006 | 06:02 PM
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I'll call richmond. Summit can get em, even if they're not listed.

I don't want to pay some diff shop for parts markup, and I don't want them doing guesswork on my car for me.
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Old Feb 1, 2006 | 06:04 PM
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From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
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Richmond: Corvette D44
--------------
3.73 ratio, p/n 49-0108-1


Precision Gear: Dana 44 V
-----------------
3.54 ratio, p/n 44D/354V
3.73 ratio, p/n 44D/373V
master install kit, p/n 44D/MOKITV


Yukon Gear: D44 Heavy Duty
-----------------
3.08
3.54 ratio, p/n D44HD-354
3.73
3.91
Thick 4.10
Thick 4.56

Last edited by CentralCoaster; Feb 1, 2006 at 06:33 PM.
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Old Feb 1, 2006 | 10:32 PM
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Originally Posted by CentralCoaster
I'll call richmond. Summit can get em, even if they're not listed.

I don't want to pay some diff shop for parts markup, and I don't want them doing guesswork on my car for me.
Your call...just giving you an option that worked well for me.

No guesswork...these guys are good and the prices are reasonable. (Prices on the website are not what you will pay. Mention CF.)

Oh...I meant to mention earlier that Richmond gears have a reputation for being noisy. You may want to consider Precision, U.S. Gear, or one of the other makes.

Whatever direction you go, good luck with your project.

Last edited by 95PoloVert; Feb 1, 2006 at 10:34 PM.
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Old Feb 1, 2006 | 11:18 PM
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Originally Posted by CentralCoaster
RMG-8310331 $105 - Richmond ring/pinion install kit,
RMG-SD4402 $170 - Richmond 3.54 sportsman gear set series 2 carrier

Is this all I need?

What's this mention of series 2 (<3.73) and series 3 (>3.73) carriers? And different ring gear sizes? I picked 8.5. And the vette having a d60 pinion yoke? I still can just buy this standard d44 gear set right?
Not sure what this post is all about or what fits what, BUT....

I have the 3.45 Ring & Pinion set from my 96 LT4 Dana 44 sitting in my garage.....Absolutely in A1 condition......Are you interested???

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Old Feb 2, 2006 | 12:45 AM
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Yes i'm interested. Although I want to see a closeup pic of the gear teeth. How many miles on them, and how many 1/4 miles on them?
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Old Feb 2, 2006 | 08:54 AM
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Originally Posted by CentralCoaster
Yes i'm interested. Although I want to see a closeup pic of the gear teeth. How many miles on them, and how many 1/4 miles on them?
I will get photo later today........In my estimation they are perfect...

Never at the strip.....a few "tests" on the street, but overwhelmingly all highway cruising....about 25K miles......the car was bone stock (except cat-back, K&N filter, ...)....

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Old Feb 2, 2006 | 09:59 AM
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central, i have a 3 series carrier that came out of a set of 3.08 gears.
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