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Re: 235 headers
rad #1360085 Wed May 13 2020 05:54 AM
Joined: Feb 2001
Posts: 1,110
D
Shop Shark
I have tried both water heat and exhaust heat from the fentons to my standard intake manifold .

The water heat took much longer to achieve effective heat and was ultimately cooler than the exhaust heat . I have ended up using exhaust heat . The truck ran like crap with no intake heat at all .

The truck runs great with the fentons , slight adjustment to the carb (metering rod height) wee tweek on the timing smile smile

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Re: 235 headers
rad #1361372 Thu May 21 2020 11:06 PM
Joined: Apr 2016
Posts: 539
M
Shop Shark
Never forget the "chicks dig it" factor and remember that polished parts are more aerodynamic. Both add HP.


Old enough to know better, too young to resist.
Re: 235 headers
rad #1361396 Fri May 22 2020 02:30 AM
Joined: Mar 2010
Posts: 9,290
5
Master Gabster
I have had a chick or two pretend to dig my shiny parts, but I am nearly certain they had other nefarious intentions.

Re: 235 headers
52Carl #1361438 Fri May 22 2020 12:27 PM
Joined: Nov 1995
Posts: 4,556
J
Unrepentant VW Lover
Originally Posted by 52Carl
I have had a chick or two pretend to dig my shiny parts, but I am nearly certain they had other nefarious intentions.

What species were these chicks?

nanner


John
"There is a life about to start
When tomorrow comes..."


'49 Chevrolet 3804

Re: 235 headers
rad #1361448 Fri May 22 2020 01:19 PM
Joined: Aug 2001
Posts: 4,253
Shop Shark
Rad
I agree with Martin, it's your truck, build it the way you want.
But you can learn alot reading and asking questions on this site.

Off topic: Ignore the two thread stealing hoodlums that just posted, they can't help it.
Also, I see that you have Grafton as your location. I assume that is Grafton Illinois.
If so, check out the Heartland Bolters once in a while. It's about time to liven that area up in preparation for the Stovebolt Reunion.
https://www.stovebolt.com/ubbthreads/ubbthreads.php/forums/68/1/the-heartland.html
There are plenty of bolters around St. Louis.

Don


Of all the things I've lost in my life, I miss my mind the most!

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
More pix on Photobucket
'46 2-Ton grain truck
'48 3/4-ton grain truck
'50 2-ton flatbed
'54 Pontiac Straight Eight
'70 American LaFrance pumper fire truck.
Re: 235 headers
rad #1361474 Fri May 22 2020 03:31 PM
Joined: Mar 2007
Posts: 712
T
Shop Shark
Personally, I understand that most engines don't operate in the RPM range to make efficient use of headers, but you have to admit they sound great. I say use the headers, you get always change back once you find the right manifold.

Last edited by TUTS 59; Fri May 22 2020 03:32 PM.

Craig

Come,Bleed or Blister somethings got to give!!!
Q:"What yah runnin"
A:"3/8 drive Black and Decker aquarium pump motor" (the movie HOTROD)

59' Apache 31, long term project (30 years and counting)
Re: 235 headers
rad #1361491 Fri May 22 2020 05:05 PM
Joined: Dec 2008
Posts: 1,451
P
Shop Shark
If you had enough room, a tuned length will help, but it's probably close to 50" for the primary to get the RPM down.
The siamese exhaust ports confuse the whole thing, there are 2 "extra" reflections in the 2-3 and 4-5 tubes.

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