11-22-2018, 08:42 PM | #1 |
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Join Date: Oct 2006
Location: San Jose NOR*CAL
Posts: 3,080
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250 manifold bolts
Planing to swap out my long tube headers dot some cast iron shorties .
I want to get new bolts to mount them and can not find what size thread pitch they are Any help would be great! Thanks
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1960 Apache long bed fleet L6 250 Clifford intake 2 bbl carb. Langdon cast headers with dual exhaust and bellflower tips. T-5 5 speed, power steering and power disc brakes. "Over, Around or through it... " |
11-22-2018, 10:57 PM | #2 |
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Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,224
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Re: 250 manifold bolts
They are 3/8 in. bolts with coarse threads. USS. I always use grade 8 bolts with grade 8 SAE flat washers.
George |
11-23-2018, 02:19 PM | #3 |
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Join Date: Oct 2006
Location: San Jose NOR*CAL
Posts: 3,080
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Re: 250 manifold bolts
thanks !!!
__________________
1960 Apache long bed fleet L6 250 Clifford intake 2 bbl carb. Langdon cast headers with dual exhaust and bellflower tips. T-5 5 speed, power steering and power disc brakes. "Over, Around or through it... " |
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