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Shimming oil pump with asp and double roller

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Old 12-13-2004, 09:03 PM
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Default Shimming oil pump with asp and double roller

How much do i need to shim my oil pump? Car has LS6 pump, rollmaster double roller and asp pulley.
Old 12-13-2004, 10:50 PM
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The shims should have came with the double roller set. I believe they are roughly 3mm.
Old 12-14-2004, 01:06 AM
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and you need to have the pulley cut or else it'll lock up
Old 12-14-2004, 09:27 AM
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Originally Posted by Blue99Ws7
and you need to have the pulley cut or else it'll lock up
that's with the old pulley, correct? i was under the impression that the new sfi asp pulley did not need to be machined at all
Old 12-14-2004, 11:58 AM
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Well I was under the impression no matter what pully it was it need to be machined cause the oil pump is shimmed outward to accomidate(sp) the double chain. I'm not sure bout the new sfi pulley. Someone know?
Old 12-14-2004, 07:32 PM
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Originally Posted by Blue99Ws7
Well I was under the impression no matter what pully it was it need to be machined cause the oil pump is shimmed outward to accomidate(sp) the double chain. I'm not sure bout the new sfi pulley. Someone know?
The newer pulleys do not need machining, they are already cut for clearance.
Old 12-14-2004, 07:54 PM
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felton is correct, the newer SFI ASP pullies are machined for clearance, the older ones, the snout needs to be machined for the roller. The shims AND longer bolts should have came with the double roller.....
Old 12-14-2004, 08:49 PM
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so how much do i need to shim, I have the newer pulley. When I installed the asp pulley it crushed the oil pump bc. asp didn't press the sleeve on the snout the entire way. They paid for a new pump and sent me another pulley though.
Old 12-14-2004, 11:18 PM
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so how much do you need to cut if you have the older pulley>?
Old 12-15-2004, 04:29 AM
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A total of 0.300"




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