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Re: Offy & Fenton = poor fit
#22590 Mon Feb 16 2004 02:09 PM
Joined: Feb 2000
Posts: 50
R
rat Offline
Member
What kind of carb or carbs are you guys using? I have the Fenton and Offy set up with 2 single carbs but they seem to be a bit rich. I also had the same nightmare with the flanges.


'52 Chevy 5 window, it ran when I parked it
'53 Chevy 5 window, running the streets with me.
'55 Massey-Ferguson, tearing up the dirt
'89 Harley FXSTS, suicide clutch
'92 Harley FLSTC, equal time with the '89
Re: Offy & Fenton = poor fit
#22591 Wed Feb 18 2004 07:03 PM
Joined: Jul 2002
Posts: 68
W
Member
I see everyone eles had a great time installing the Fenton/Offy setup too. I had already talked to someone prior to putting mine on, so I knew what to expect. The casting on the Fentons is awfull at the flanges. The muffler guy got a kick out of that. I've got 2 one barrels and they work all right. Leaky suckers though. I didn't install any heater on it. It doesn't get that cold here in So.Cal. [img]http://community.webshots.com/s/image6/7/30/30/92773030mWtEVi_ph.jpg[/img]


'54 3100-235-T5 trans-12 bolt 3:31
'68 Impala 307/350
'78 Sportster/Original owner
Re: Offy & Fenton = poor fit
#22592 Wed Feb 18 2004 10:44 PM
Joined: Sep 2001
Posts: 30,161
ace skiver
rat,

My 261 with Fenton exhaust and Offenhauser intake has two one-barrel Rochesters on it. After running it without a heated intake for two years, and experiencing hestitation at low revs, I installed a heating plate (water from the cooling system) from Tom Langdon's Stovebolt Engine Co. and it runs much smoother.

Are you heating your intake? I understand that it might be warm where you are (I dream of being warm at this time of the year) but the intake can get quite cold from latent heat of vaporization (I think that is what it is called). Supposedlly, an unheated intake can get so cold that it can cause the vaporized gas to recondense inside the manifold - this could result in a properly tuned set of carbs running rich at times.

Tim


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: Offy & Fenton = poor fit
#22593 Wed Feb 18 2004 11:03 PM
Joined: Jul 2000
Posts: 964
C
Shop Shark
I set the head up on the bench for ease of working with it. I had to grind some clamps and weld plate steel to others to take up the slack between clifford/fenton setup. But now it works really well, and I didnt grind on the manifolds or intake. I like my water heated intake and 4bbl. People freak when they see that hanging off a straight 6.

chip


Preaching the Hot Rod Gospel according to the 4-stroke apostles:

Suck, Squish, Fire and Fumes
Re: Offy & Fenton = poor fit
#22594 Thu Feb 19 2004 01:29 AM
Joined: Aug 2001
Posts: 154
Z
Wrench Fetcher
Yes the fit is bad, you kinda worry as your grinding. Also had to clean up a spot or two on the fentons. The clamps are modified to give a step effect between the two. Mine are now in Williamson NY,after the water jacket opened on the 235 (swallowed a valve) now have an injected Vortec in the frame and running at this time. smo-o-o-t-h. Zeke


The Amish Connection
51 Chevy 1/2 ton 5 window,Vortec hotrod, no horse
Re: Offy & Fenton = poor fit
#22595 Sun Feb 22 2004 03:55 AM
Joined: Sep 2001
Posts: 30,161
ace skiver
cujo8,

Sorry about my delay in responding to your question. I use the Anti-Seize Lubricant that I think I got it from Totally Stainless but I might have gotten it from MSC .

It is Permatex ANTI-SEIZE LUBRICANT, 133A.

Tim


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]
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