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07-26-2013, 08:21 AM | #1 |
Registered User
Join Date: Dec 2012
Location: Central Point
Posts: 236
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283 with T56 thoughts?
I am in the beginning stages of a frame off resto. Looking for good performance with great fuel mileage. I am thinking of using a 283 and mating up a T56 to it. Not sure which will be the best rear-end yet. My vision is to have a truck that will tow a small travel vintage travel trailer across the US. Look and run great and get mid to low 20s (w/o the trailer) and mid to high teens with it.
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07-26-2013, 05:19 PM | #2 |
Moderator
Join Date: Dec 2012
Location: ON, Canada
Posts: 2,178
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Re: 283 with T56 thoughts?
Your rear end ratio will depend on which T56 you get (and your tire height). There are two different ones for 93, and the 94-7 one has .5 6th. 3.73s would be a good baseline choice.
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07-26-2013, 06:45 PM | #3 |
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Join Date: Nov 2011
Location: Salem, OR
Posts: 281
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Re: 283 with T56 thoughts?
I'm running a '97 t56 with .5:1 6th and 30" tires. I swapped my 3.73 rearend to 4.11 and turn about 1600 rpm at 70 mph. With the 3.73s i'd never be able to use 6th.
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07-26-2013, 08:52 PM | #4 |
Registered User
Join Date: Feb 2013
Location: central California
Posts: 2,781
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Re: 283 with T56 thoughts?
I run a 283 in my shortbed with a 500 cfm Edelbrock. I tuned and built the motor for gas mileage, and my rear gear is 276. My tranny is a 4 speed saginaw and I can't acurately check my mpgs but I think mid to high teens is about the best I could get. I think 20 plus might be E.F.I. territory. My base model 4 banger '07 Tachoma gets low 20's doing a service route with a moderate load.
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