Thread: Rear exit manifolds for flathead 39 Ford
View Single Post
Old 06-01-2020, 03:22 PM   #15
Mr 42
Senior Member
 
Mr 42's Avatar
 
Join Date: May 2010
Location: Sweden
Posts: 427
Default Re: Rear exit manifolds for flathead 39 Ford
Quote:
Originally Posted by JSeery View Post
Dyno tests show minimal hp gains with exhaust modifications on semi-stock engines. The Drake statement is "...the single most effective way to increase horsepower...". That is a false statement. I like headers on a flathead, I like the look, I like the sound, but it is NOT the single most effective way to increase horsepower, not even close.
What is the single most effective way then?
Mr 42 is offline   Reply With Quote