Ford Escort RS Turbo This forum is for discussion of all things pertaining to the Ford Escort Rs Turbo Series 1 and 2.

Which CAM?

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Old Jul 1, 2012 | 09:01 PM
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wez smith
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Default Which CAM?

I have just picked up my 2.1 zvh conversion RST. It is currently MFI but i am looking to go EFI by xmas.

My old escort has a standard cam in but this one has a piper cam? I have heard that a newman? cam can be better than a standard cam? But wondering if anyone has any ideas/opinions?

Cheers
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Old Jul 2, 2012 | 11:53 AM
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I think Newman do a ZVH cam so that would be my choice.
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Old Jul 2, 2012 | 04:43 PM
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I agree with Karlos,

Newman solid lifter camshaft part number FORC/276/409T
They do have a hotter grind specifically for ZVH FORC/280/448T

However, I would use the first one as many have used it with success.

Cheers
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Old Jul 2, 2012 | 06:18 PM
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Thanks gentleman, i presume burton is still the best place to get it from?

PS what is a hotter grind?
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Old Jul 2, 2012 | 06:29 PM
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No, direct from Newman mate.
Perry is advising to use the CVH cam instead of the ZVH one, but knowing how much more flow a 2.1 ZVH needs I would use the ZVH cam (the CVH one is very similair to a stock RST cam)... Unless you've spotted something I havent Perry?

Last edited by Karlos G; Jul 2, 2012 at 06:31 PM.
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Old Jul 2, 2012 | 06:45 PM
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zvh newman cam is similar to a kent cvh 37
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Old Jul 3, 2012 | 04:21 AM
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Originally Posted by Karlos G
No, direct from Newman mate.
Perry is advising to use the CVH cam instead of the ZVH one, but knowing how much more flow a 2.1 ZVH needs I would use the ZVH cam (the CVH one is very similair to a stock RST cam)... Unless you've spotted something I havent Perry?
The standard Ford RST cam is much lower duration than the Newman cam - not even close.

Certainly one can put a longer duration camshaft in a bigger engine. The larger cam would possibly work better in a 2.1 if the cylinder head was also up to the task of flowing more air for the larger displacement.

Maybe someone else will chime in that has successfully used the larger ZVH Newman grind?
I do not recall ever seeing anyone using the larger ZVH cam.

Anyone? Love to see the results.

Last edited by Canada1; Jul 3, 2012 at 04:22 AM.
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