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1HZ injector pump tweak

Tech Talk for Cruiser owners.

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1HZ injector pump tweak

Post by Z()LTAN »

Can someone please post a pic of what screw to play with on a 96 model 1HZ injector pump to get more fuel after installing a turbo?
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Post by udm »

the one that is in the centre of the pic (download it now before i delete) Image
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Post by Z()LTAN »

cheers mate
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Post by Z()LTAN »

wich way do i wind it?

in or out?
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Post by Tapage »

In the inline 2H IP it's out ( counterclock )
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Post by dumbdunce »

clockwise for more fuel. start with half a turn, then work in 1/16 turn increments, use your pyro of you have one, otherwise use on-boost smoke as the indicator.
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Post by hzj75 »

im running a set of extractors on my 1HZ at the moment would I be able to increase the fuel on the pump for more power??

also which way for more fuel on a 1HZ screw in or out??
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Post by dumbdunce »

hzj75 wrote:im running a set of extractors on my 1HZ at the moment would I be able to increase the fuel on the pump for more power??

also which way for more fuel on a 1HZ screw in or out??
maybe a very slight increase, it's hard to fit an EGT to extractors as the junction is a long way from the ports so hard to tune, use smoke as the indicator but be careful. maybe 1/8 turn only! like was stated above, clockwise is more fuel. if you fiddle with your fuel, you are taking the life of your engine in your own hands.
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