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Re: Whats the best cruising gear? [Re: Dartman75] #320895
05/19/09 08:38 PM
05/19/09 08:38 PM
Joined: Mar 2008
Posts: 571
Western NC
68Bullit Offline
mopar
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mopar

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Posts: 571
Western NC
Quote:

Besides on the highway, when you need to accelerate up a hill like you're on the level, just down shift because second gear on a tall rear is probably about where drive is on a 4.10 geared car, and having that extra drive gear ready won't limit your top speed for rounding that top attempting to lauching into near earth orbit






Re: Whats the best cruising gear? [Re: 68Bullit] #320896
05/19/09 09:50 PM
05/19/09 09:50 PM
Joined: Apr 2004
Posts: 271
Dallas, Wisconsin
BurntOrange Offline
enthusiast
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Posts: 271
Dallas, Wisconsin






ROTFLMAO

I like my 2.76s in the Fury for daily use and longer trips.
3.23 in the RR is fun too.

Re: Whats the best cruising gear? [Re: 68Bullit] #320897
05/19/09 10:28 PM
05/19/09 10:28 PM
Joined: Jan 2003
Posts: 2,511
Tampa , Fl
MoparJoe Offline
super gas
MoparJoe  Offline
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Joined: Jan 2003
Posts: 2,511
Tampa , Fl
I like 3.91's-4.10's, 70mph is about it for hwy cruising but they're fun around town, If I want something that gets good mpg and goes 140+mph I'll drive my Charger.

I'd rather have it geared to low than too tall, my daily driver truck has 3.55's and shifts 2-3 at 95mph and it's a 5 speed- It really needs some 4.56's

Re: Whats the best cruising gear? [Re: MoparJoe] #320898
05/20/09 08:46 AM
05/20/09 08:46 AM
Joined: Jan 2003
Posts: 2,931
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Paul_Fancsali Offline
master
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My suggestion is what I do with the 4.56 car I put on 30inch talltruck style tires and last checked got near 1 mpg better. Example ith 3.55s I got 12 with 3.90s I got 10 with 4.30s I got 11 with 4.56s I got 12 again with the tall tires. I love to check things and see the results but Yes they do rev but why di I have it to drive it! So if you have big block use the 2.94's no question but if you have a 7.5 comp small block you need to take advantage of every trick you have and still run on mid grade or regular Anyway you look at it have fun thats the key!!!

Re: Whats the best cruising gear? [Re: 70RT Charger] #320899
05/20/09 10:46 AM
05/20/09 10:46 AM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
I Live Here
patrick  Offline
I Live Here

Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
How tall of a tire? 26" tall or less, I'd probably go 2.76. 27-29" tall, 2.94, 30-32" tall, probably 3.23's

I had 3.55's and 27" tall tires and HATED it on the interstate (speed limit 70). was buzzing along at 3000-3300 RPM. I'd get a headache after about a half hour from the noise. I kept them but put in an A500 OD, and dropped it to an effective 2.45....

another option would be to use an A833OD (.73 OD) or a Passon OD (.8 OD). would turn your 3.91's into 2.85's or 3.13's effectively....

Last edited by patrick; 05/20/09 10:55 AM.

1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: Whats the best cruising gear? [Re: sthemi] #320900
11/23/09 05:36 PM
11/23/09 05:36 PM

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hey i have a 77 dodge d100
im putting a 318 in it with 400hp and 400tq
with a 727 torqe flight and 9 1/4 rear end and im just using it for street put i also want it to be fast so what would the best gear ratio be for me?
thanks for eny of the repliys

Re: Whats the best cruising gear? #320901
11/23/09 07:15 PM
11/23/09 07:15 PM
Joined: Nov 2004
Posts: 843
Suffolk,VA
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ireland383 Offline
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Suffolk,VA
3.55's here, I think you get the best of both worlds with this gear.

Re: Whats the best cruising gear? [Re: ireland383] #320902
11/23/09 07:21 PM
11/23/09 07:21 PM
Joined: Jan 2003
Posts: 33,180
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
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Joined: Jan 2003
Posts: 33,180
Grand Prairie,Texas
3.23s will give you a nice cruise and still allow you to smoke a tire.

Re: Whats the best cruising gear? #320903
11/23/09 09:33 PM
11/23/09 09:33 PM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
I Live Here
patrick  Offline
I Live Here

Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
Quote:

hey i have a 77 dodge d100
im putting a 318 in it with 400hp and 400tq
with a 727 torqe flight and 9 1/4 rear end and im just using it for street put i also want it to be fast so what would the best gear ratio be for me?
thanks for eny of the repliys




how tall are the tires?

what are the cam specs?


1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: Whats the best cruising gear? [Re: patrick] #320904
11/23/09 11:05 PM
11/23/09 11:05 PM
Joined: Apr 2007
Posts: 807
Toronto, Canada
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dirtybee Offline
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Toronto, Canada
just a thought but if you run an 8 3/4, what i do is cruise with my 2.76 and throw in the 3.91's for the track. after a few times it only takes about an hour, and by the way my car came withe 3.91 which i love, but when i put the 2.76 in for a road trip, i also loved them..... awesome, i'm gonna get one of everything, or at least a 4.10 or 4.30 or 4.56 with a spool with my spare housing.

Re: Whats the best cruising gear? [Re: dirtybee] #320905
11/23/09 11:48 PM
11/23/09 11:48 PM
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT Offline
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Today? Who Knows?
Quote:

just a thought but if you run an 8 3/4, what i do is cruise with my 2.76 and throw in the 3.91's for the track. after a few times it only takes about an hour, and by the way my car came withe 3.91 which i love, but when i put the 2.76 in for a road trip, i also loved them..... awesome, i'm gonna get one of everything, or at least a 4.10 or 4.30 or 4.56 with a spool with my spare housing.




FWIW I do the same thing & to make it easier I added a drain plug to the axle housing... And I keep the correct speedo gear in the same box with 3rd member...

Re: Whats the best cruising gear? [Re: 1_WILD_RT] #320906
11/24/09 12:20 AM
11/24/09 12:20 AM
Joined: Jul 2008
Posts: 30,632
Florida STAYcation
IcorkSOAK Offline
Financed his waterbed
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Florida STAYcation
Let me add ......

I don't think I would ever stick a steep-gear in my 62 ever again.

The car is a 12-flat car now ...with the 2.76 gear .....and is an absolute BALL to drive on the street.

The last time I drove to the track... 60 miles(120 miles RT) .... I stuffed a couple of Stangs, a Vette and Crumb-aro in the weeds.

As was said in Dirty Mary/Crazy Larry .... the top-end is uNlimited !

Re: Whats the best cruising gear? [Re: IcorkSOAK] #320907
11/24/09 01:42 AM
11/24/09 01:42 AM
Joined: Jul 2003
Posts: 2,112
New Jersey, US of A
PlumCrazy73Dodge Offline
top fuel
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New Jersey, US of A
All depends on what YOU are looking for out of your car while cruising...

Just to cruise and enjoy yourself with the occasional stomp - 3.23's

Cruising more locally with more stomping - 3.73's

The choice is yours
I have had 4.56 in my challenger...that did not last that long....I was tached out at like 50 mph

I run 2.76's now and it just dogs too much, but on the highway it keeps going and going and going...which is nice to drop the hammer and hit trip digits


73 plumcrazy challenger - 318/904, edelbrock performer 600cfm carb, performer intake and cam. Eddy Alum. Heads 3.91 locker, Doug's headers, accurate ltd. exhaust
73 Cuda - Triple Black 340 4 speed
MIKE
Re: Whats the best cruising gear? [Re: PlumCrazy73Dodge] #320908
11/24/09 02:03 AM
11/24/09 02:03 AM
Joined: Jul 2008
Posts: 30,632
Florida STAYcation
IcorkSOAK Offline
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Florida STAYcation
Quote:



I run 2.76's now and it just dogs too much, but on the highway it keeps going and going and going...which is nice to drop the hammer and hit trip digits




You need a BIG TORQUE motor to pull that gear.

When driving it real REAL easy on the street ...I can start-off in 3rd gear ...from a stop-light. ..... ......

Re: Whats the best cruising gear? [Re: IcorkSOAK] #320909
11/24/09 02:52 AM
11/24/09 02:52 AM
Joined: Nov 2009
Posts: 520
New Zealand
nz383man Offline
mopar
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Posts: 520
New Zealand
I ran 323's behind 383 auto in Barracuda, great cruiser but a bit flat (440 should be fine though)
Changed to 391's for more fun & quicker drag times, great fun on short hauls but pulls 3,300 at 60 Mph!

Re: Whats the best cruising gear? [Re: 70RT Charger] #320910
11/24/09 09:48 AM
11/24/09 09:48 AM
Joined: Feb 2003
Posts: 1,095
Bloomington, Illernoise
cptn60 Offline
super stock
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Bloomington, Illernoise
What is your target cruising speed and your combo's "sweet spot"? Just gear according to those two things, keeping in mind your intended usage. For out of town trips, I take my Monaco with 2.76 gears. For in town, the RR has 5.13's. Different rides, different purposes.


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Re: Whats the best cruising gear? [Re: nz383man] #320911
11/24/09 09:56 AM
11/24/09 09:56 AM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
I Live Here
patrick  Offline
I Live Here

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Posts: 16,123
Grand Haven, MI
point of reference, that there's more to it than just gear ratio...all calculations assuming no converter slip.

at 70 mph, a 2.76 rear with a 26" tall tire is turning 2500 RPM

the same tire (26") with a 3.23 is turning 2900 RPM

the same gear (3.23) with a 28" tall tire is turning 2700, and with a 30.5" tall tire is turning 2500 RPM at 70, the same as a 2.76 with a short tire....


1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: Whats the best cruising gear? [Re: DaytonaTurbo] #320912
11/24/09 10:01 AM
11/24/09 10:01 AM

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the overdrive in my ride w/4.30 gears makes it act like a 3.01 gear. also running 295/50/15 BFG drag radial.
the 3+:1 first gear makes it a killer on the street lol. cruises like a dream @ 80mph on the open road.

Re: Whats the best cruising gear? #320913
11/24/09 10:06 AM
11/24/09 10:06 AM

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what kind of overdrive unit are you using ? I know that when I buy my dart it will have 3.90 or 4.11 gears but I want to also use and overdrive cause I drive to shows.

Re: Whats the best cruising gear? #320914
11/24/09 10:17 AM
11/24/09 10:17 AM

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Quote:

what kind of overdrive unit are you using ? I know that when I buy my dart it will have 3.90 or 4.11 gears but I want to also use and overdrive cause I drive to shows.



GM700R4.
cheapest/easiest/most reliable way to put an automatic OD in a MoPar. jmo.

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