Jp4 head j4 block - Saxperience

greyjasper51 · 3rd June 2013, 08:15

Ive had a search but cant find anything...

Jp4 head with ph3 newmans on a j4 block and pistons... All ok the running clearances of the valves fine? Just wanted to confirm im sure it is just need confirmation thats all...

K567 · 3rd June 2013, 11:29

if i remember correctly use a stock j4 head gasket 1.6mm otherwise you'll have issues with inlet side and even then you may need to have the pistons pocketed to accomodate the larger jp4 inlet valves

as with any engine build ideally you want to check clearances as you build

EwynSaxo · 3rd June 2013, 13:04

Im sure kamracing do a cat cam same as all the others 708 ph3 ect that are made for j4 bottom end on jp4 head

greyjasper51 · 4th June 2013, 14:13

yeah i think im gonna have to get the pistons pocketed... gf's dad has got a machining company... see if im him his good books after nailing his daughter for 7 months... LOL!!