View Poll Results: which is the best option

4.30

40.00%

4.56

46.67%

4.88

13.33%

Voters: 15. You may not vote on this poll

4.30, 4.56, or 4.88's w/a 4l80e?

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Aug 16, 2011 | 03:48 AM

#11

AndysC3

TECH Addict

iTrader: (14)

Joined: Jun 2009

Posts: 2,884

Likes: 10

From: Minot, ND

I have 4.56 with my 6.0 and its a blast to drive on the street. I cut 2.1 60' all day long at the track with my 32.5" tires.

Aug 16, 2011 | 08:50 AM

#12

SmokinHot98

Thread Starter

TECH Resident

iTrader: (20)

Joined: Jun 2005

Posts: 891

Likes: 0

From: Lansing,IL

Quote:

Originally Posted by Blown06

Decide what your 1/4 mile mph goal is and gear accordingly. 4.88's are fun at a stop light but your wasting time shifting into OD at the strip.

O'yea, are you racing or are you driving to work? Is it really worth gaining a tenth or two for a loss of fuel mileage or long term dependability? For some it is, but thats a question you have to answer.

There's really nothing I can do to get great MPG's, I'll just get a DD for that. The purpose of my build was for fun and a good solid overall truck for hauling and towing. As of now I drive the truck on the highway to work but it'll be a little bit before I can get the gears.

Quote:

Originally Posted by GMCtrk

In your case, I'd go with 4.56s

Quote:

Originally Posted by 07 Z71

4.56s for u

Quote:

Originally Posted by AndysC3

I have 4.56 with my 6.0 and its a blast to drive on the street. I cut 2.1 60' all day long at the track with my 32.5" tires.

Thanks guys, that's awesome your cutting times like that on those big tires! I was really starting to lean towards the 4.56's

Aug 16, 2011 | 08:54 AM

#13

GM-only

On The Tree

Joined: Apr 2011

Posts: 127

Likes: 0

From: baton rouge, la

i plan on goin to 4.30s with my truck. 3.08s in it right now so the difference should be huge. 3.73 to 4.30s might not really even be worth it. i think 4.56.

i have 3.73s in my blazer with 25.7 inch tires and it turns about the same rpm at 70. its alittle high but i like it. 3k at 80mph