Re: [FWDLK] WHAT IFs????????

[eastern sierra Adj Services <esierraadj@xxxxxxxxx>]

Adam, I installed a 2.76:1 open rear end a few months ago, and really
love it.

I find that I can DRIVE my car is 1st gear, up to about 30-35mph, and
2nd is good to who-knows-what?

The owners' manuals said that our cars (with the stock 3.36:1 gears)
could be driven in stop and go traffic by 'leaving'  the car in 2nd
gear, with an automatic upshift to 2nd, to avoid the wear-and-tear of
momentarily shifting to 3rd.

2nd gear, with the 2.76, produces  probably a higher net-gear ratio, at
50, than 3rd does @ 50 (altho I haven't done the math, and would
appreciate an engine/differential  gearing- comparison .

The acceleration in Drive is rather slow (Gary Pavlovich's car probably
has a much lower rear end ratio), BUT:  by starting in 1st gear, the car
really hooks-up and moves out quickly all the way to 30+; pushing the
'2' button, produces an immediate shift, with virtually no fall-off, and
haven't had the opportunity to figure out where/when to shift into 3rd
(80+?).

I just haven't had the chance to take a fill-up highway cruise, to check
65-70 MPG, but, I would anticipate 17+ .

The 2.76'ers are relatively common and abundantly inexpensive.

I had been looking for an about 3.0:1 ratio. I called Randy's Ring &
Pinion and learned that the HIGHEST set that they make is 3.55:1 (due to
'everyone' running O.D. trannies.

I, then, couldn't find a 2.93, and so settled for the 2.76 on a trial
basis.

Now I know how/why the IMPs drove so quietly and got good mileage: they
had 2.76 rear ends!

Neil Vedder


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• From: Adam Lindenbaum <AdamL57@xxxxxxx>
• Date: Sun, 6 Jan 2008 09:08:18 EST

I'll run one with my Fury and I get 10 MPG with it or my '57 Savoy and that get 8-10 MPG (I'm changing converters and gears in that, I'm gonna make her more of a cruiser) or my '27 Ford roadster pick-up with this spring will have V800 318 Fury engine with 3 dueces, don't know the mileage it will get but with a small block chevy and 3:73 '56 Chevy rear gets over 20 MPG.

Adam Lindenbaum

'58 426 HEMI /4 speed Fury

'57 Savoy Kustom

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Start the year off right. Easy ways to stay in shape in the new year.

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