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| | |-+  which exhaust clears an Autocraft stage-and-a-half oil pump?
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Author Topic: which exhaust clears an Autocraft stage-and-a-half oil pump?  (Read 2191 times)
Jonny Grigg
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Posts: 232



« on: April 23, 2010, 22:08:41 pm »

hmmmm.....

Got another little problem to deal with in building this 2442 race engine.  Roll Eyes

Offered up the JayCee 2" exhaust this evening and it clashes with the Autocraft oil pump. Big time.

I presume these pumps have been used with merged headers since time began, so I doubt I am encountering something new here. So the question is, which exhaust clears the Autocraft pump?

Any hints would be helpful- either 2" or 1 7/8" fully merged race header preferably stainless and good quality. Who sells 'em?
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No Compromise. O/FF111
Bernard Newbury
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Posts: 396


9.50 @ 141 MPH


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« Reply #1 on: April 23, 2010, 22:46:10 pm »

On mine I spaced out the header on #2 & #4 with extra header flanges, and this was enough to clear the pump. Bernie
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Before you jump, check the depth.
Mike Lawless
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Posts: 386



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« Reply #2 on: April 30, 2010, 01:01:05 am »

I have the same as Mr Newbuy's. I used flanges to space out the header. I also polished off the two lower corners. It fit and it was close. After a few big wheelies that smacked my header into the track, it clearanced itself
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Winner, 2009 Bakersfield March Meet
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