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Old 07-04-2013, 11:34 AM   #26
TonyJohnson
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Re: for all of those rockin' a 4 speed granny low trans!

Just did a quick CL search on denver auto parts and got from $150 to $750, with most at $200.
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-- '71 Blazer w/L-31 Vortec 350, SM465, NP205, performer intake, edelbrock 1406, HEI, 4" lift, Boyd EFI tank, Vintage A/C My Blazer --
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Old 07-04-2013, 11:46 AM   #27
1972K20
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Re: for all of those rockin' a 4 speed granny low trans!

My K20 has the SM465 4spd and I've 4.56s. It'll run 60-65, but I'm more comfortable keeping it around 55. It gets around 11mpg.

One thing you have to get used to is the gap between 2nd and 3rd gear. Not a big deal, but it's noticeable.
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Old 07-05-2013, 12:19 PM   #28
Madtat
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Re: for all of those rockin' a 4 speed granny low trans!

Quote:
Originally Posted by TonyJohnson View Post
Just did a quick CL search on denver auto parts and got from $150 to $750, with most at $200.
^^^^ Thank you! Gives me a starting point.
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Old 07-05-2013, 02:14 PM   #29
Ackattack
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Re: for all of those rockin' a 4 speed granny low trans!

my 69 (no buck) had one in it. I ended up swapping a 1/2 ton 12 bolt in it with ~2.90 gears in it, and it ran fine at 75.
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