Recent content by Johnboyhgt

Hi all I see the A20NFT head gasket is now also easily available to buy, I know Vocky preferred the B207 head gasket on supercharger builds. Is the A20NFT better still ?

what breather system have you got ?

Anyone got a good pair of cam gears without locating tabs I can buy ?

Replace the pressure sensor, they usually only go to 10 bar and do have a tenancy to fail.

bore guage was out of calibration, clearance is correct. thanks for the replies.

drop me a pm i have a spare.

Hi all Currently forging a z22series and I'm measuring everything as I go. Found an issue with the clearances after the bigends. Spec says 0.041 to 0.043 I have 0.08. I have used the usual Gm shells set. Looking at the spec Crank size and big end size Gm provide it seems minimum size...

It is with regret that I have to inform the community that Luke sadly died yesterday in a car accident. I don’t have full details other than he was in a convoy leaving a car show in Wales. Luke had one of the most individual VX220's out there, I know Vocky knew him well as his was powered by...

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Changed to stage 3. lol

Thank you.

A mere 300bhp - im even considering forged pistons to be over kill and may settle for 280

Hi all Just about to re-cut my valve seats. I read that the depth should be 40.1mm, measured from top of valve stem to spring seat. What is the maximum permissable depth ? Just want to avoid over cutting the depth, would normally just do a couple of turns to freshen up, but this head has been...