58mm tb question
#2
Re: 58mm tb question
IMO a 58 MM TB is a waste of money unless you are pushing crazy horsepower, 600 plus, or supercharged. Plus it is hell to tune the PCM on a stock motor. My "red car" motor is heavly modified engine an i feel 52 may be a little big for it. But i had the stock tb bored with new bearings and seals for the throttle shaft. Another reason i went with a bored stocker is that i could never get the Holley I had to act right.
Moral or the story if you got a big inch big HP car yeah 58 may do something for you, and you will need the intake ported to match the TB. IF you REALLY need a big TB you may consider a monoblade.
Moral or the story if you got a big inch big HP car yeah 58 may do something for you, and you will need the intake ported to match the TB. IF you REALLY need a big TB you may consider a monoblade.
#4
Re: 58mm tb question
my little 355 picked up between .1 and .15 over when I changed over from a 52 to a 58. My stock motor picked up .3 when I went from a stock TB to a 52 and a crank underdrive pulley. I have always said and still believe that its worth it.
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