3.55 gear is the ticket....... - Team Camaro Tech
Tech 2001 General Tech questions from 2001
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post #1 of 4 (permalink) Old Sep 21st, 01, 04:32 PM Thread Starter
Join Date: Jan 2001
Posts: 56
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Just installed a Richmond 3.55 w/Eaton Posi unit to replace the factory 2.56 open (car came w/Glide , now has M21)

All the difference in the world in "around town" driving. Scoots off the line great and runs at the base powerband @ 35 in 3rd. Gets on the pipe and pulls hard with about 500-700 more RPM (or at 40mph) from a rolling 30-33mph.
(mostly from the cam , but from a gear standpoint)

Runs about 3200 on the highway at about 70 (speedo not ironed out yet ,but paced by another car on the highway). Not too bad on the revs , I and it can definately live on the highway.

I almost bought the 3.73 , glad I didn't , but that's only because I plan on long trips with the Vintage A/C cranking. I think the 3.73 would be neat , but not for me right now. But , if it was a 200 mile day-tripper , or mostly in town , the 3.73 wouldn't be out of the question at all. I had a 3.90 / Muncie car a few years ago and it wasn't very pleasant on the highway , but great in town (gas sucker , but aren't they all ?)

So in my opinion , depending on your displacement , cam & highway needs , the 3.55 is just about the perfect all around gear. I'm happy with it anyway , made a hot rod out of my slug.

(*also keep in mind this is a small block A/C convertible in full RS trim , so it's a tank , base cars & stripper big block coupes would see a far greater benefit)

(3 DUDE give me a call or email me if you see this , about JVille)


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post #2 of 4 (permalink) Old Sep 22nd, 01, 03:23 AM
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Join Date: Dec 2000
Location: Kentwood, MI
Posts: 8,097

I also like my 3.55's. But I'm running 3100 RPM at 60 mph with 26" tall tires. How tall are your tires?

68 Camaro, 383 small block with TH350 trans. 12.2's and never trailered.
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post #3 of 4 (permalink) Old Sep 22nd, 01, 04:49 AM
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Join Date: Feb 2001
Location: IL ,USA
Posts: 256

Hey Brian I've got to wash the mud off the race car from last nite then I'll stop by.
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post #4 of 4 (permalink) Old Sep 22nd, 01, 11:41 AM
Join Date: Apr 2000
Posts: 21,341

I really like my 12 bolts stock 3.31 gears.

Just put tall narrow tires on for trips and gas mileage, then short wide ones on for having tire smoking fun.

I try ta build my engines for torque so I can power the car down the quarter!! That way, it's not as hard on parts b/c I'm not winding the sh-t outta it. pdq67

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