RichR
Premium Member
Registered: 17th Oct 01
Location: Waterhouses, Staffordshire
User status: Offline
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Ive blown my head gasket and the guy whos fixing it says while everything is out he'll have the ehad skimmed/gas flowed - think thats what he said neway.
Nehow, Ive got a feeling - th old owner said- its been done b4 on my car - will doing it again cause ne issues??
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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Skimming the head removes a very small amount of metal from the bottom of the head, its done to make sure that its perfectly flat, and not warped. Only 3/4 thousands of an inch are normally removed. Doing this increases the compression and will marginally increase power. It will also bring valves and pistons closer together. There are only so many times it can be done to a given head.
Gas flowing is basically porting the head, making it so that the head is freer flowing to get the mixture and exhaust gases in and out quicker.
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RichR
Premium Member
Registered: 17th Oct 01
Location: Waterhouses, Staffordshire
User status: Offline
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so its worth doing then - had a feeling thats what it was but want exactly sure. It goes away tonight to be fixed and should be having al that done either 2moro or thursday, have to see. cant see it making much of a difference tho - its a 1.2 8v.... woah its a fast enough already - dopnt wanna go killing myself now do I
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OFcorsa
Member
Registered: 6th Jan 03
Location: Cheltenham, Gloucestershire
User status: Offline
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MILES THATS LOOKS LIKE IT WAS RECITED FROM FAST FORD...
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