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Old 06-25-2008, 07:24 PM
74TA455 74TA455 is offline
Senior Chief
 
Join Date: May 2006
Location: Arlington,Tx
Posts: 250
Default Pulling the 455 for a 350 in my 74 TA

Alright guys. Having a 455 is getting old.. real fast...

I know im not the only person to complain, but gas prices at 8 mpg are just not worth it. Plus it overheats and just isn't realiable.

Im thinking 350 Pontiac with TH400 3:08 Gears

Im hoping to average 17 - 20 mpg with mostly highway, some city driving

Guys any help would be appreciated. You guys are familiar with 74's and what can be done. I might even go with one of those fiberglass front bumpers to lighten it up.

What do you think I should do for heads?
Intake?
Cam?
I know a Quadrajet Carb would be more efficient than a 2 barrel, but early or later style? size?

I dont want a radical motor. Just something efficient!!

thankyou

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74 TA 455
65 Black on Black Tripower GTO
(Factory Tripower, 4:33 gears, radio delete,)