closed deck block and a 2.5 crank advise please
#1
closed deck block and a 2.5 crank advise please
i have a mid thrust closed deck block
omega pistons
eagle h beam rods
arp bolts
sti 5 crank
acl race bearings
its all in bits ready to build and im still tempted with a 2.5 crank
how much to have the block machined to take an end thrust.?
what ltre will it be with standard size pistons with the crank?
will the bearings i got for mid thrust still fit the end thrust?
will the rods still bolt straight to the 2.5crank?
is there anything im not thinking of and is there any point to doing this what benifit wil it get.
thanks for helping..
omega pistons
eagle h beam rods
arp bolts
sti 5 crank
acl race bearings
its all in bits ready to build and im still tempted with a 2.5 crank
how much to have the block machined to take an end thrust.?
what ltre will it be with standard size pistons with the crank?
will the bearings i got for mid thrust still fit the end thrust?
will the rods still bolt straight to the 2.5crank?
is there anything im not thinking of and is there any point to doing this what benifit wil it get.
thanks for helping..
#2
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ok i have a bit of info here take a look :
P1 Web Owners Club :: Warning, may contain nuts!
if you want to know any more drop me a pm
matt
P1 Web Owners Club :: Warning, may contain nuts!
if you want to know any more drop me a pm
matt
#3
Scooby Regular
iTrader: (22)
I'm in the same boat.
As far as I know your standard rods and pistons wont fit in the 2.0L cdb with a 2.5 crank,
You'll need to swap them for stroker rods and stroker pistons.
If you do get rods and pistons to suit you'll end up with a 2.1.
I'm looking at either sleeving the 2.0L block to 2.2 and running my 2.5 crank for a 2.33 build or sleeve it to 2.5. I'm favouring the 2.33 at the mo.
Daz
As far as I know your standard rods and pistons wont fit in the 2.0L cdb with a 2.5 crank,
You'll need to swap them for stroker rods and stroker pistons.
If you do get rods and pistons to suit you'll end up with a 2.1.
I'm looking at either sleeving the 2.0L block to 2.2 and running my 2.5 crank for a 2.33 build or sleeve it to 2.5. I'm favouring the 2.33 at the mo.
Daz
#4
so does this mean i cant use a 2.5 crank with the stuff i have got.
i cant go onto the p1 owners club as im not a member i will try to sign up later if i can work out how.
thanks
any more please
i cant go onto the p1 owners club as im not a member i will try to sign up later if i can work out how.
thanks
any more please
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#11
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I was speaking to a company in America about this not to long ago, they have had specific pistons made to use in a 2l block with 2.5 Crank and standard rods to make either a 2.15 in standard 2l bore (92mm) or 2.2 with slightly oversize pistons (93mm) still using the 2.5 crank and standard length rods.
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