Oil pump questions
11-11-2011, 04:58 PM
#1
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Oil pump questions ive heard bad things about ported pumps sucking the sump dry-is this just folklore?
ive read where the ls6 pump is the same as any pump made past 01 on all ls engines. is the melling choice any good,or should i stick to gm pumps?
can my stocker be rebuilt/ported reliably
What would you use on a 400 rwhp street car?
ive read where the ls6 pump is the same as any pump made past 01 on all ls engines. is the melling choice any good,or should i stick to gm pumps?
can my stocker be rebuilt/ported reliably
What would you use on a 400 rwhp street car?
11-11-2011, 05:02 PM
#2
i believe people only have problems with the high volume high pressure pumps. a ported ls6 pump with the proper bias spring in it wouldn't cause you any problems... melling is an excellent choice as well,, they have a very good reputation. Melling makes 2 or 3 different models, a stock replacement pump (i.e. stock volume and stock pressure), a high volume normal pressure pump and a high volume high pressure pump
11-11-2011, 05:05 PM
#3
The high volume pumps do run that risk, but honestly you'd have to be very high RPM for a very extended amount of time, and have NO drain back help in your engine to see if "suck the pan dry". The nice part of a ported GM pump as compared to the Melling is extra clearance and ease of install. In most cases with the Melling pump and a double roller,you'll have to do some clearancing on the pump and or front timing cover.
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Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!