I've recently installed a rebuilt P72 head (courtesy of dynodave), this head has had the following done to it:
For the moment i'll have to leave you with peak outputs, as the dyno printer no worky. I had a baseline run -from the previous week- of 109kw, and finished up with 121kw, with very solid gains from 5000rpm and upwards.
- Valve job
- Combustion chambers
- Mild porting
- '96 model ITR Valvetrain
- Skunk2 IM
- Hondata
- Dynodave 4-2-1 header
Considering the age of the bottom end (255,000km), thats not a bad figure.
It would be interesting to see this head stuck on a fresh block, as mine is due for new rings.
I say the results are quite encouraging.
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