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Old 03-01-2021, 12:08 PM   #37
kwmech
Senior Member
 
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,399
Re: 454 identification

Quote:
Originally Posted by skymangs View Post
Also I understand those peanut heads are junk
They are not "junk". They are heads that are built for low end. Junk on a big block usually refers to a head that will not flow past 4-5k. You want torque, you want a smaller port which gives you a faster velocity at a lower rpm. I've got big blocks in everything 'cept my suburban. Very rarely do I have to spin those past 4k. My power band is from about 1000-3800. My peak torque is about 2600 rpm---at that rpm my truck feels like it will pull a freight train with a 650 cfm carb
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