Evo 8 oil squirters issue
Feb 18, 2012, 01:45 PM
#1
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Evo 8 oil squirters issue
I an building my long rod 2.0 with custom piston 10:1 compression and noticed oil squirters were hiting the pistons I can bend them out of the way but it's still close considering vibration does any one have input on what to do with them thank this is going to be high hp build
Feb 18, 2012, 10:43 PM
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Some take them out which I wouldn't do but I've heard some space it down lower with a washer between the squirter and block. I believe they use those copper crush washers right? so they can seal the oil pressure so don't try using normal washers.
Feb 19, 2012, 06:34 AM
#5
Do not touch the piston. Especially if it’s a strutted design such as a Wiseco HD piston. I have ran into the problem with the HD’s and a large aluminum rod such as the R&R’s. In this case just remove them assuming that with that type of combo its already a race motor. If it’s a steel rod with room just bend them/shim and keep a min of .060 clearence between all moving parts.
Btw- don’t be scared ditching them. With modern piston and a non dry sump motor there is more then enough oil from slosh etc. I have ran over 1000whp for years with no sign of wrist pin wear etc.
Btw- don’t be scared ditching them. With modern piston and a non dry sump motor there is more then enough oil from slosh etc. I have ran over 1000whp for years with no sign of wrist pin wear etc.
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Feb 19, 2012, 05:30 PM
#8
if you bend the squirter, you may as well remove them. as you dont know if the squirter will be pointed where you need it. besides, you have no idea if the squirter becomes fractured & then find its way into the bottom of the sump, after being hammered by the rotating assembly.
loads of pistons have goofy notches for squirters.
unless you have the wrong piston pin height pistons for the rods used, you shouldnt have to remove much material.
are you certain you have the correct piston spec for your set-up?
loads of pistons have goofy notches for squirters.
unless you have the wrong piston pin height pistons for the rods used, you shouldnt have to remove much material.
are you certain you have the correct piston spec for your set-up?
Feb 26, 2012, 07:12 AM
#11
I've just ran into this problem aswell, viii block, 94mm billet crank, 153mm R&R I-beams, 85.5mm CP X-forged pistons..... I've been told to use evo 4 (iv) oil squirters, i'm guessing they're smaller, i've just dropped a set off at my builders, but haven't seen the viii one's to compare to ?
I bought mine from RossSport in the Uk.
Hope that helps.
I bought mine from RossSport in the Uk.
Hope that helps.
Feb 26, 2012, 01:21 PM
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Yeah I bent them put I'm not happy with that . Its still close but don't hit still confused... Not sure if I should block them.. If show what should I block them with.
Feb 27, 2012, 08:13 AM
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I believe the oil goes through the bolt like a brake line bolt goes in a caliper so pretty sure you can just put a normal bolt in and it should stop the oil flow, and use some kind of sealer of course but someone correct me if I'm wrong, I'm curious.