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Another Fenton Header Issue
#1392096 Sun Jan 10 2021 07:48 PM
Joined: Sep 2018
Posts: 41
W
'Bolter
I am installing a Fenton exhaust system on my GMC 228, and have run into the classic throttle linkage issue (going to the stock singe carb). Has anyone worked with a throttle lever as shown in the picture here? I'm assuming I'd just bend the current lever to towards the engine and make up a new connecting rod to the carburetor, but if anyone has any experience or better ideas than that, please share!

If anyone cares to know, I am switching to Fentons because my stock exhaust was basically fused together and ruined by rust and heat, etc. It would take some serious welding and fabrication to bring it back to life. The old pipes (which were literally housing plumbing) were also hung with... coat hangers? Lord only knows what they might have scrapped together on our old farm... So, hence the need for a new exhaust system.

Also, do these pipes look correct coming off the headers so far? The guys at the parts store said that's how they're supposed to go, but they just look like there are too many parts compared to others I've seen.

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Re: Another Fenton Header Issue
WyoFlyer #1392126 Sun Jan 10 2021 10:57 PM
Joined: Sep 2001
Posts: 31,106
'Bolter
You might want to also post this question on oldGMCtrucks.com discussion boards [oldgmctrucks.infopop.cc]?


Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: Another Fenton Header Issue
WyoFlyer #1392128 Sun Jan 10 2021 11:02 PM
Joined: Sep 2018
Posts: 41
W
'Bolter
Working on it right now, thanks!

Re: Another Fenton Header Issue
WyoFlyer #1392129 Sun Jan 10 2021 11:04 PM
Joined: Jan 2000
Posts: 2,117
J
'Bolter
Any good muffler shop can fab your dual pipes, should have plenty of room under there. I ran dual down the left side, looks and sounds good. Re the linkage, I used 'heim' joints for smoother pedal. Best of luck


It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy [stovebolt.com]
1953 Chevy 3/4-ton Factory Stakebed [stovebolt.com]
Re: Another Fenton Header Issue
WyoFlyer #1392131 Sun Jan 10 2021 11:32 PM
Joined: Sep 2018
Posts: 41
W
'Bolter
Those look like they'd be an improvement! I need to get that linkage on the block figured out first. It just makes me sweat to bend a hard to find, original part... Didn't know if anyone on here had a part number or something that worked for them, or just custom made everything.

Re: Another Fenton Header Issue
WyoFlyer #1392137 Mon Jan 11 2021 01:22 AM
Joined: Dec 2005
Posts: 548
A
'Bolter
I bought some round stock iron and bent up my own rod from the bell crank to the carb. I took a while and some tinkering to get it right where it wont bind, but its doable.


58' 3200 235 3-speed/OD

Re: Another Fenton Header Issue
WyoFlyer #1392148 Mon Jan 11 2021 02:12 AM
Joined: Sep 2018
Posts: 41
W
'Bolter
I've got the iron and planned on having to bend that, but I didn't plan on the interference with the stock throttle levers attached to the block.

Re: Another Fenton Header Issue
WyoFlyer #1392181 Mon Jan 11 2021 08:40 AM
Joined: Feb 2001
Posts: 1,158
D
'Bolter
It is very doable , there are lots of us with fentons and standard intake , it just takes a bit of time , maybe a few attempts at the bends , but it does work . Additionally , I encourage you to exhaust heat the manifold , I tried both water heat and exhaust , the latter has been better , more like the factory assist.

Re: Another Fenton Header Issue
WyoFlyer #1392207 Mon Jan 11 2021 02:07 PM
Joined: Sep 2018
Posts: 41
W
'Bolter
Good to know. I'm sure we'll make something work. The technical term I finally found for this part is "bell crank." It seems every engine has a slightly different bell crank between the throttle and the carb, so it's just a matter of creativity, like you guys are saying.

And yes, we've got the kit from Jim Carter. Seems like it should button up to it just fine.

Re: Another Fenton Header Issue
Dusty #1392220 Mon Jan 11 2021 03:14 PM
Joined: Dec 2005
Posts: 50
5
Wrench Fetcher
Originally Posted by Dusty
It is very doable , there are lots of us with fentons and standard intake , it just takes a bit of time , maybe a few attempts at the bends , but it does work . Additionally , I encourage you to exhaust heat the manifold , I tried both water heat and exhaust , the latter has been better , more like the factory assist.
I use water to heat my Offy manifold (not standard). I had it both ways also and the Offy was showing signs with exhaust heat. Switched back to water. No problems since'


1951 Chevy 3100 5-window
261 cu in, 348 Head, Split Fenton Exhaust
Offy with Dual Weber 2 Bbl Carbs
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