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Old 07-04-2008, 02:33 PM   #1
yl1979
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90 454 SS Transmission Swap
I have a slightly motivated 1990 454 SS Truck....I have the stock Turbo 400 Transmission and a 4.11 gear in the back. I am going to give it to my dad and I think that he need to get a 4 speed at minimum in the truck so that it does not cost him a fortune to drive. I would like to know any suggestions on this or recommendations. Yes I know I need to swap the rear end out for starters. Any help would be great....

Thanks,

B
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Old 07-04-2008, 02:36 PM   #2
andrewdirt101
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Re: 90 454 SS Transmission Swap
Quote:
Originally Posted by yl1979
I have a slightly motivated 1990 454 SS Truck....I have the stock Turbo 400 Transmission and a 4.11 gear in the back. I am going to give it to my dad and I think that he need to get a 4 speed at minimum in the truck so that it does not cost him a fortune to drive. I would like to know any suggestions on this or recommendations. Yes I know I need to swap the rear end out for starters. Any help would be great....

Thanks,

B

you need to put an OD transmission in it, manual or auto. auto would probably be easier.
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Old 07-04-2008, 03:31 PM   #3
performabuilt2
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Re: 90 454 SS Transmission Swap
if you can get a pcm and wiring harness from a 91 they had the 4l80e in that year would be easy swap that way and the 4l80 is basically a 4 speed 400 so still strong
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Old 07-05-2008, 09:04 AM   #4
va454ss
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Re: 90 454 SS Transmission Swap
Gear Vendor
90 454SS 496 TBI

92 454SS Stock with WynJammer
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