BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
 
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 342 VS 373

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M.ROSS

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Join date : 2009-01-21
Age : 58
Location : So.Portland/ME

PostSubject: 342 VS 373   Fri Jul 16, 2010 10:57 pm

I've been thinking about gears for the beast.
342 versus 373.
I'm looking for opinions / personal experience.
I'm leaning toward 342s
I love the way the 308 have plenty of zip on the highway at 65/70
and would like to keep the RPMs down as it's mostly a cruiser.
Steve i see you have both 342s and 373s.Which do you like better and why ?
and by the way 3 CARS now ??????All BBB. I'd love to hear what the wife has to say about that or do you keep one hidden. Cool
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PostSubject: Re: 342 VS 373   Sat Jul 17, 2010 5:02 am

3.73s. You will not notice a big enought gain with 3.42s to justifiy the cost over the stock 3.08s. You will notice the 3.73s, and mpgs won't suffer to bad either.
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No Moa

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Location : Midcoast Maine

PostSubject: Re: 342 VS 373   Sat Jul 17, 2010 11:14 am

Go 373. Will be much more fun.
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V8Killer

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Age : 46
Location : Southern, NH

PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 6:18 pm

Yup, 3.73's. That's why you have overdrive Very Happy
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96slowss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 7:49 pm

not 2 vut in but iam leaning toward 4.10s. now iam stuck between 3.73s or 4.10s?? i want the most performance i can get out of it but i want to be able 2 cruise down the highway here and there.. like goin to crovos Laughing
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mean ss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 7:54 pm

96slowss wrote:
not 2 vut in but iam leaning toward 4.10s. now iam stuck between 3.73s or 4.10s?? i want the most performance i can get out of it but i want to be able 2 cruise down the highway here and there.. like goin to crovos Laughing
what size tire do you have 275-40-17 ? they are shorter so a 3.73 will feel almost like a 4.10
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96slowss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 7:56 pm

yes. 275/40 17 in the rear..
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mean ss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 8:00 pm

96slowss wrote:
yes. 275/40 17 in the rear..
80mph with 3.73 you'll be close to 3000 rpm ... what did you use on the front with the 8" rim?
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96slowss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 8:05 pm

i got the wheels and tires already mounted. the kid did 255/45 up front. i dont like the fronts
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mean ss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 8:10 pm

96slowss wrote:
i got the wheels and tires already mounted. the kid did 255/45 up front. i dont like the fronts
why not ? they probably track less in ruts than a 40
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No Moa

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 8:22 pm

I've got everything to do my 373s, damn guy that was gonna do it bailed. Even after I paid him. Figures.
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mean ss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 8:28 pm

No Moa wrote:
I've got everything to do my 373s, damn guy that was gonna do it bailed. Even after I paid him. Figures.
time to break some legs Mad

Al can do gears
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No Moa

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 8:37 pm

Oh I'll get the money back at some point, I'm more pissed because he made me wait tub bailed on me.

I know al does them, that's just a long ride and hez a busy man, didn't want to impose on a fellow badass member
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96slowss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 8:37 pm

they ride good just look to wide for the rim to me...
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cloud 9

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 9:11 pm

Ok , heres one for you guys. What am I gonna notice going from 2:93s to 3:42s?
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mean ss

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PostSubject: Re: 342 VS 373   Thu Jul 22, 2010 9:48 pm

with 3.73 or better you will need a new Dennys driveshaft $$$
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sdstick

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PostSubject: Re: 342 VS 373   Fri Jul 23, 2010 6:27 am

Sorry Mark, I never saw this. I have no idea why, I'm always looking.
The 3.73 are more fun, do feel good on the backroads & add zip around highway speeds. Only thing I can note is the quicker part throttle shifts of the 3.73's.
They shift quickly thru the gears when just puttering along.
The 3.42's do save you some mileage but compared to 3.73 how much?
All I know is 3.08's to 3.73's will/can cost you 2mpg. Combo is gear & driving style.
For what I see you doing with your car now (guessing) I'd go 3.73
As far as the 3 cars, yeah, I put 1 in a bay at work.
I just dont have room for the 3rd in the driveway.
Matt's pissed because he cant work on it without going to work with me.
My wife thinks I'm crazy for not buying a Lexus or something SHE dares to drive.
HA! Crazy maybe but not stupid

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96BBB 28K 3.42 Bolt-ons
95BBB 100K 3.73 383 New DD...already broke fixt the 4L60E twice
95 Black WB4 Hole...ee...grail
96 Black WB4 No holes in this
95BBB 189K 3.08 Old DD Stolen...by Matt. Cool
Whine..eee...Silver LS6
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96slowss

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PostSubject: Re: 342 VS 373   Fri Jul 23, 2010 8:16 am

i think i might go with 3.73s now. i know what u mean when u say it shifts real quick. my buddy has a fullsize chevy with a 4l60e and 4.10s. and when ur driving normal it shifts thru the gears super quick. i always figured that was in his tune.. 3.73s should hepl me out alot at the track to, right??
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