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Author: Subject: Duratec exhaust manifold & EGR blanking
snapper

posted on 1/6/19 at 04:34 AM Reply With Quote
Duratec exhaust manifold & EGR blanking

I have just bought an exhaust manifold plate and have always wondered why it does not fully seal No.4 port from the EGR tract.
I know that an EGR blanking plate on the rear of the head will stop flow to the inlet manifold but Iím still curious about any negative effect of the void in the head by port No.4





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peter030371

posted on 1/6/19 at 07:15 AM Reply With Quote
I've seen racers with big power engines turn up a spacer to block the path from port 4 to the egr gallery but they didn't seem to think it really made any difference!
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snapper

posted on 1/6/19 at 11:54 AM Reply With Quote
My thoughts as well plus the gasket wonít cover the blacking piece possibly generating a hot spot.
If I did it I wold probably weld the head with an ally plug then have the port cut to fit but thatís a lot of work for no gain





I eat to survive
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I breath to wee my ex wife off (and now my ex partner)

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andyhaase1

posted on 13/6/19 at 10:11 AM Reply With Quote
I recently bought a new gasket from SBD motorsports, theirs fully covers that cutout in the head.
Andy

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