10-22-2022, 10:52 AM
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#1 |
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Senior Member
Join Date: May 2010
Posts: 5,170
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Fenton Headers
What are the correct bolt lengths and sizes for my NOS Fenton headers? Don't want to get into the water jackets
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10-22-2022, 02:26 PM
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#2 |
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Senior Member
Join Date: May 2010
Location: East Hartford, Ct
Posts: 5,898
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Re: Fenton Headers
(4 front) 7/16" 14 x 1-3/16 "
(8 ) 3/8" 16 x 1-1/4" center and rear Stock bolts but you will have to determine length as the flange on the Fenton headers may vary in thickness from stock.
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DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES Last edited by 51 MERC-CT; 10-22-2022 at 02:38 PM. |
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10-22-2022, 03:11 PM
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#3 |
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Senior Member
Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
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Re: Fenton Headers
Shouldn’t the left center lower bolt on originals be about an inch longer? I have 4 sets and that bolt is about 1 3/4 longer. I am away from home so can’t check exact lengths
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10-22-2022, 03:48 PM
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#4 | |
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Senior Member
Join Date: Feb 2011
Posts: 794
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Re: Fenton Headers
Quote:
For Fenton headers ?? |
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10-22-2022, 05:02 PM
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#5 |
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Senior Member
Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
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Re: Fenton Headers
Yes original Fenton Headers. Can post pics when I get home from Moonshine Festival tomorrow.
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10-22-2022, 06:08 PM
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#6 |
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Senior Member
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Location: Charlotte NC KiWi-L100 available here
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Re: Fenton Headers
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These are from an old post. These are mine. I now have 4 really nice sets one NOS. LOOKat the lower left center bolt. These have the Ford part number on them. Old and nice. |
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10-23-2022, 02:29 AM
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#7 | |
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Senior Member
Join Date: May 2010
Location: East Hartford, Ct
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Re: Fenton Headers
Quote:
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DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES |
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10-23-2022, 07:19 AM
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#8 |
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Senior Member
Join Date: May 2010
Location: CLAYTON DE
Posts: 1,350
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Re: Fenton Headers
Perhaps Driskel can help.
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Enjoy yer day. Tom  Hate can't fix what it started. |
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10-23-2022, 08:36 AM
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#9 |
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Senior Member
Join Date: Sep 2014
Location: Mid-Coast Maine
Posts: 2,815
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Re: Fenton Headers
- First clean all the exhaust manifold holes out.
- Using two long bolts, 3/8 and 7/16"; hand thread them in the block and measure the protrusion under the head or to the outside of the bolt head - Deduct 1/8" to 1/4" from the insertion length - add thicknesses of manifold flanges and any washers or lock washers if you plan on using them - buy or custom cut the bolts to the dimensions you calculated |
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10-23-2022, 08:46 AM
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#10 |
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Senior Member
Join Date: Feb 2011
Posts: 2,216
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Re: Fenton Headers
The manifold pictured looks like the speedway version of Fenton’s original header. The lower bolt in the center flange is longer.
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Tim Downtown, Ca |
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10-23-2022, 09:49 AM
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#11 | |
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Senior Member
Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
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Re: Fenton Headers
Quote:
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10-23-2022, 12:01 PM
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#12 | |
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Senior Member
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 11,629
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Re: Fenton Headers
Quote:
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10-23-2022, 12:34 PM
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#13 |
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Senior Member
Join Date: May 2010
Location: Mill Valley,Ca.
Posts: 1,539
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Re: Fenton Headers
I used studs, and brass nuts...
Karl |
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10-23-2022, 12:42 PM
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#14 | |
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Senior Member
Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
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Re: Fenton Headers
Quote:
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