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oil pump gq

Tech Talk for Nissan owners.

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Posts: 6
Joined: Tue Jan 18, 2011 6:24 pm

oil pump gq

Post by blown gq »

i've recently rooted yet another oil pump in my 88 gq shorty, shattered the gears to pieces. its running a 4.8L out of a gu, bored to a 5L and supercharged. im unsure if rev limiter is set (cant hear anything over the noise of the blower) so just wondering if that could contribute to the problem and if anyone else has had this problem before. cheers, bozey.
Posts: 1258
Joined: Wed Mar 21, 2007 7:49 pm
Location: Mornington/ Victoria

Re: oil pump gq

Post by PGS 4WD »

I've got a set of billet oil pump gears for a 4.8 that I never used, Pm me. It's a common issue when the rev limiter is raised, superchargers can also place additional shock loads on the crank nose and pump gears.

Cheers
Joel
-Pre trip inspections/ servicing
-Suspension/ custom modifications
-4wd Dyno & tuning
-Qualified mechanics
Posts: 6
Joined: Tue Jan 18, 2011 6:24 pm

Re: oil pump gq

Post by blown gq »

so the billet gbears are stronger? its being looked at by a performance engines shop at the moment so i will run it past the bloke working on it and see what he rekons. he also said that there was a common problem with the oil pumps in the skyline engines which had to be upgraded when they were done up. cheers for the help mate
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