Buick 455 in ecsb 99 sierra
07-06-2009, 10:19 PM
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Buicks are more of an RPM motor. Olds and Pontiacs 455's are freakish torque.
It will never pass tech, but damn I have 2 in my garage and need to build one soon.
It will never pass tech, but damn I have 2 in my garage and need to build one soon.
07-07-2009, 12:48 PM
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I was just interested in the motor and trans. Thought it might be a good deal. I live up in Alaska in the village so no one is going to be inspecting my truck. So if I want a torqier motor go with an olds or Pontiac? I'm still not sure if the motor would fit. What kinds of problems would I run into trying to swap thismotor in?
07-07-2009, 03:07 PM
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It will fit pretty easily since it is only slighly bigger then a SBC, more longer then wider. Plus it only weighs 70 lbs more the a SBC so front springs may not be needed.
455's, 460's, 440's, 454's all put down good torque becouse of displacement and camshaft selection rather then the bore/storke ratio.
Thats not to say a bore/stroke ratio doesn't help, but it only gives a decent advantage in a 600-1500 rpm. Thats where the longer stroke of lets say a long stroke pontiac 455 is giving the carburator a stonger vacume signal then say a short stroke buick 455, but for it to work either the car either has to loaded and then some or for a car to have freeway friendly gears like 2.73's.
I used to have a Buick Electra limited a few years ago with a 455, and a guy i knew had a Olds Delta 88 with a 455. So our cars were the same weight, same effective car, tire size, and same gear ratio so when we raced. He got a quick car length, and by by the time we were hitting 4500 rpm I was back up to his bumper. Then a little after 1-2 shift I had a 1 car lead, and held it there till about 100 mph.
Either way a big block is a big block just use the one you have, or the one that fits the easiest.
455's, 460's, 440's, 454's all put down good torque becouse of displacement and camshaft selection rather then the bore/storke ratio.
Thats not to say a bore/stroke ratio doesn't help, but it only gives a decent advantage in a 600-1500 rpm. Thats where the longer stroke of lets say a long stroke pontiac 455 is giving the carburator a stonger vacume signal then say a short stroke buick 455, but for it to work either the car either has to loaded and then some or for a car to have freeway friendly gears like 2.73's.
I used to have a Buick Electra limited a few years ago with a 455, and a guy i knew had a Olds Delta 88 with a 455. So our cars were the same weight, same effective car, tire size, and same gear ratio so when we raced. He got a quick car length, and by by the time we were hitting 4500 rpm I was back up to his bumper. Then a little after 1-2 shift I had a 1 car lead, and held it there till about 100 mph.
Either way a big block is a big block just use the one you have, or the one that fits the easiest.
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