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Author Topic: 250 straight 6  (Read 3597 times)

Offline mrmotorhead05

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250 straight 6
« on: October 05, 2008, 01:35:27 am »
how many of you guys are running the 250 straight 6 (1 bbl)?
i have a 75 C-10 (base options) that has that motor with the 1 piece cast intake/head.
does anybody have a spare exhaust manifold for this particular setup?????? after 33 years i go to change the original freeze plugs.....which are behind the exhaust manifold and 7 of the 15 bolts broke off in the manifold.
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Offline the_legend_1981

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Re: 250 straight 6
« Reply #1 on: October 05, 2008, 10:30:06 am »
I have one on the engine i took out of my truck
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Offline eventhorizon66

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Re: 250 straight 6
« Reply #2 on: October 05, 2008, 10:39:05 am »
Maybe this would be a good time to upgrade to a header, if there's room in the budget.

Clifford Performance truck headers  Not positive about the quality or fit, but to my knowledge they are the only option.
« Last Edit: October 05, 2008, 10:42:14 am by eventhorizon66 »
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'85 C10 SWB 350 700R4 TKO600

Offline Lt.Del

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Re: 250 straight 6
« Reply #3 on: October 05, 2008, 10:43:46 am »
next time try to run your engine to get it warm, then try to take the bolts off.  Yes they will be hot, but, turning each just a turn or so when hot will help break them loose.  Then when it cools, remove them the rest of the way--or you can wear welder's gloves like I do when removing hot manifold bolts.  ;)
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