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How do these pulleys differ from the standard ones? And how much do these pulleys cost?

This head will be given the very lightest of skins due to the high comp pistons. The head will be cc'd after to find out the compression ratio.

Managed to get some work done on your head, by starting on the inlets I've taken measurements of the Roper head and and Ric wood head and the inlets and the exhaust ports are the same, Look like the Roper head has had some combustion chamber modifications so i started to modify some standard...

:race::cheers:

I blame my ipad spell corrector Sorry BIGASH

It is

I did Ph1 Toms and Scotts Ph1 heads I also did JamesWilson's Ph2 head and TBH he gained the most from what i see I enlarged and reshaped the ports but not to the size of a ph1 head on Ph2 heads to keep port verlosity Ph1 head get a little port matching but the rest is just reshaping the...

i know but its a head BIGBASH wanted to use, I've seen very good results from the later small port heads. But I've never done a back to back test. It all depends on how it will be used and this will be living its life above 5k+ Rpms..

It does. I'm still waiting for the other half to give me ultimate head? But she's always got head ache or to tired.:banghead:

I got them today. I'll post more pictures on Monday of the progress. Just going to take measurements of the Roper head and the CNC Rick wood head I have to get the best of both to try and make the ultimate head for you

Picked up your head from the soda blasters Will be starting the porting work on Monday

Picking up your head from the soda boasters tomorrow so will post pics of it before I break out the carbide burrs

Update on dyno results ASAP please?

Cool I'll have a look at his build thread but if anyone can clarify it the would be great.

I know the 172 and 182 are interchangeable but can a 192 be used on lets say a ph1 block? i don't think they can but someone asked me and I want to make sure I'm right that they can't?

Thank you Scott you work fast when you get the bits, Enjoy the head work mate as i seam to be very good reviews from everyone on here now. I should be able to develop them more now i have my own flow bench

Feels a lot faster then? It seams the later heads respond well to head work

Took a few pics of the valve job Setting the gauge for the seat cutter Cutting the seat

Cool.. Look forward to it

:hail::race:Good luck Tom Enjoy, Glad i've had a hand no with this car

When are you booking it in for mapping?

:clap::race::cheers:

Sorry Stevo I don't do exchange.

It would respond better. People say they work well.

Bill@badger5 use Sachs 4 paddle insprung plate and standard cover on cars running 300bhp to around 600bhp I use the same set up in my S3

Yours was the same

head was only skimmed by 8 thou

Anymore updates?

I never got any photos of the inlet but I'm sure you'll post some of them

Sent the inlets off today