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post #1 of 9 (permalink) Old 01-01-05, 05:59 PM Thread Starter
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Broken thread on Holley Fuel Bowl

After just changing jets I managed to strip two of the threads in the throttle body on the fuel bowl bolts.

Has anybody got a fix for this sort of thing...? Hopefully not a new throttle body!


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post #2 of 9 (permalink) Old 01-01-05, 06:11 PM
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Re: Broken thread on Holley Fuel Bowl

Just helicoil them. I stripped one on the 850 Barry Grant i had, and just helicoiled all 8. It is not bodgy at all, but better than new. We sell the kit at work, and off the top of my head it was 7/32. Works great.

10.70 @ 125.00 on the black fun top
408 Cube Cleveland.
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post #3 of 9 (permalink) Old 01-01-05, 06:12 PM
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Re: Broken thread on Holley Fuel Bowl

Fill damaged holes with 2-part epoxy, liquid metal, or similar product. Wait until cured, then drill & tap. Temporarily install bowl to use as a guide to align drill.

Don't own a Ford, but I've worked on quite a few.
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post #4 of 9 (permalink) Old 01-01-05, 06:21 PM
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Re: Broken thread on Holley Fuel Bowl

like 'xdclevo' says, Heli-coil is best if you can find that size kit. When I needed it, I couldn't find, so I used liquid metal.

Don't own a Ford, but I've worked on quite a few.
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post #5 of 9 (permalink) Old 01-09-05, 01:18 PM
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Re: Broken thread on Holley Fuel Bowl

I did the same just this week with the plunger screws. I was lucky though cause a could retap them with a slightly larger screw.
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post #6 of 9 (permalink) Old 01-09-05, 05:55 PM Thread Starter
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Re: Broken thread on Holley Fuel Bowl

Yeah just as an update the heli-coil kit was the way I went, but it was a bit of a hassle tracking one done.

My Holley is better than new now.

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post #7 of 9 (permalink) Old 01-10-05, 12:22 AM
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Re: Broken thread on Holley Fuel Bowl

Just curious,what was the exact thread you got?
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post #8 of 9 (permalink) Old 01-10-05, 01:14 AM Thread Starter
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Re: Broken thread on Holley Fuel Bowl

Don't know, it was a carb shop that did the work for me.

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post #9 of 9 (permalink) Old 01-14-05, 03:09 AM
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Re: Broken thread on Holley Fuel Bowl

it is 7/32 whit but i couldnt find a kit that size so i did the lot in 5mm - i had to machine the bolts up then as they dont make ss 5mm shcs that long - mission
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