hi, i just had my b18b block sleeved with darton 81mm sleeve.
i also purchase a set of srp 8:5.1 pistons they are .0010 over.
the question is can the piston fit the block.

 

No. You will have to take it to a local machine shop and have it bored and honed to your pistons. Since your running the SRP's you will more than likely have a low piston to wall clearance due to material they are made of. Hope this helps and good luck with your project

 

you need 81.25mm bore.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dunkd &raquo;</TD></TR><TR><TD CLASS="quote">you need 81.25mm bore.</TD></TR></TABLE>

But do the SRP pistons he has have the p/w spec built in to them or not? I dunno, I wouldn't use those pistons personally but he's gonna have to look into that I suppose. Give their tech line a call, you will definetly want an accurate answer to your question or you will have serious problems later on down the road.

 

thanks for the help what piston would you recommend.
i might sell the srp and get the 81mm to match the sleeves

 

cp all the way

 

If you were'nt planning on boring out your sleeves, then just send the pistons back for stock 81mm pistons Also, I'm assuming the sleeves are honed, and ready to go?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hybrdthry911 &raquo;</TD></TR><TR><TD CLASS="quote">cp all the way</TD></TR></TABLE>
What did that have to do with this thread?

 

"thanks for the help what piston would you recommend"

read the reply above mine
he asked what pistons he should use

 

Your right. Hes better off sticking with what he has already because the cylinders will likely need a bore & hone anyways.

 

so you guys telling me i can keep the srp

 

I would stick with the srp brand, but you need the 81mm pistons if the sleeves are already honed/preped.

 

nothing have been done to the sleeves yet i just got them.
the inside walls feel a bit rough

if my questions seems stupid i am new to the turbo seen

 

the walls shouldnt feel rough. u will need to hone or bore it.

 

Keep the pistons and bore the sleeves to get the correct clearance, or get new pistons for 81mm so you get the correct clearance without boring..

81mm pistons have the correct clearance build inn to be used in an exactly 81mm sleeve..

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dunkd &raquo;</TD></TR><TR><TD CLASS="quote">you need 81.25mm bore.</TD></TR></TABLE>

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SnOOpY-NO &raquo;</TD></TR><TR><TD CLASS="quote">Keep the pistons and bore the sleeves to get the correct clearance, or get new pistons for 81mm so you get the correct clearance without boring..

81mm pistons have the correct clearance build inn to be used in an exactly 81mm sleeve.. </TD></TR></TABLE>

he said the Walls fill ruff so 81mm piston is not going to help him it will need to be bored and honed