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Old 07-09-2005, 00:08   #1 (permalink)
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reverse flow heads. ie intake becomes exhaust!

been researching how to run a V8 with reversed heads so to speak, where the intake in used for exhaust, and visa versa, apparently ford have already done this on a very old race car, F1 or something similar but way back many years ago, the intake side of the head was left almost untouched and the exhaust side was worked as much as possible in the end it had an even intake to exhaust flow relationship. I am trying to get more info on the car and setup but waiting for a reply from someone. He was telling me a few blown salt lake cars run this setup.

I have been thinking that some 2V's(iron OC) with a larger exhaust valve, also heavily ported exhaust port, and stock intake side would be able to acheive a 100/100 intake to exhaust relationship, that would make mounting a single turbo MUCH more efficient, I know its probably a stupid idea but it would be seriously unique and cost stuff all to make, just some head work and a custom camshaft. I really want to do this, It would look awesome.

What d'ya think?
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Old 07-09-2005, 00:56   #2 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

Someones been taking the drugs that killed River phoenix i reckon.
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Old 07-09-2005, 01:15   #3 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

You're better off trying to reinvent the wheel!
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Old 07-09-2005, 01:18   #4 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

The Ford one was a small Windsor, from memory. Very strange looking engine.
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Old 07-09-2005, 01:45   #5 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

Quote:
Originally Posted by RPO-083
The Ford one was a small Windsor, from memory. Very strange looking engine.
yeah only 260"
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Old 07-09-2005, 02:09   #6 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

You would need a custom intake manifold and custom extractors/flanges to make it work. That could make it as expensive as some proven setups already around. Also do you want the exhaust to flow the same as intake? i thought a 100/80 relationship was desired by most, forced induction must be different. (i know jack about forced induction)
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Old 07-09-2005, 12:39   #7 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

OK on a power boat, but where do you plan to put the extractors when they are bulging out of the bonnet?

OK Mr Rego man...........can you check this one out for me please?

And the dissy would have to go in 180* out and you'd need a backwards ground cam to give you intake on the old exhaust stroke??
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Old 07-09-2005, 17:03   #8 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

Ohhhhh!!!
I get in enough strife with normal stuff.
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Old 07-09-2005, 18:34   #9 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

Quote:
Originally Posted by zc347
You would need a custom intake manifold and custom extractors/flanges to make it work. That could make it as expensive as some proven setups already around. Also do you want the exhaust to flow the same as intake? i thought a 100/80 relationship was desired by most, forced induction must be different. (i know jack about forced induction)

yeah its a dumb idea i just find it interesting, not so much with turboed cars but with blown more exhaust flow helps.
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Old 07-09-2005, 21:40   #10 (permalink)
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Re: reverse flow heads. ie intake becomes exhaust!

guys did it to a flathead v8 in an old-school rail, it was in PFM a while back. That thing looked bloody weird with exhausts that were probably shorter than trumpets, but apparently it went alright.

and if you want to turbo it, why not just get two of the bloody things

good luck
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