Thread: SO who came up with the GMC V6's???
View Single Post
  #12  
Old December 24th, 2015, 08:40 PM
bigblockv6 bigblockv6 is offline
Senior Member
  
Join Date: Jan 2013
Location: Rohnert Park, ca.
Truck: 1968 KM2500
Posts: 1,326
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 421
bigblockv6 will become famous soon enoughbigblockv6 will become famous soon enough
Default Re: SO who came up with the GMC V6's???
Quote:
Originally Posted by TJ's GMC View Post
Big improvement for sure...and that's with the 4 barrel mounted on a 4 to 2 adapter. It should help even more when I have the intake machined to directly fit the carb. The split exhaust made for a nice improvement as well. I'll check out the sight for that issue! Thanks!
It will definitely make a bigger improvement once you machine the manifold. Many years ago I tried the 4 to 2 adapter and the results were abysmal, the idle would fluctuate and when the secondary's kicked in it would stumble for a couple of seconds. I suspect it was a very poor quality adapter that leaked vacuum. All in all there is only so much fuel that you can squeeze in a small opening.
Reply With Quote