Re: Wondering about d15 vitatra
 

tap tap tap...........

thats rod stretch making the piston knock on the head, pray you never have carbon build up.

compressed HG = .035-.037"
piston = .018-.020" above deck.

You have .020" to play with.

NOT ENOUGH esp. with flimpsy OEM rods.

Re: Wondering about d15 vitatra
 

Viagra pistons don't use stock rods though.

Re: Wondering about d15 vitatra
 

20 thou is plenty. Might get close if you are using aluminum rods.


Regardless, what does that have to do with the head being Y8 or Z6?

Re: Wondering about d15 vitatra
 

Y8 = closed chamber, piston will hit the quench pads.

the rest = open chamber, room in the chamber for the piston

Know wadda mean there Vern?

Attachment 26231

TT rods stretch also......

Re: Wondering about d15 vitatra
 

i like streching my ball sack out and making it look like a heman schield

Re: Wondering about d15 vitatra
 

I put my vitara's and stock z6 pistons next to each other, the vitara's didnt seem to have any thicker ringlands at all, I didnt mic it but they almolst looked thinner.

Re: Wondering about d15 vitatra
 

look at the TOP ringland between the top compression ring and the piston top