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made 400.6hp atrw today on 15 close to 16psi 47deg!!!!!!!

tryed 18psi coils were breaking down.... time for spit fires.....

also was close to running out of fuel up top with a sard intank pump and 720cc sard inj....

so were going to rewire the fuel pump with bigger wires and put in a relay

also thinking about a fuel reg? or should the stock one be fine?

still makes power at 8500rpm stock cams!!

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yeah that will be the problem do you have a link for the fI guild mate?

ill also change the fuel filter.... still has enough fuel now, but there was no room for more fuel up top as it was starting to run out....

but dose it pull hard up top end!!!! power never drops off just picks up more and more :thumbsup:

still comes on around 4700 5 but makes up for it up top and the extra revs!

more boost will be crazy!

and down low its still just as nice to drive say 4000rpm under..... tuned helped alot still makes boost at say 3000rpm few psi so its not like a lag no bottom end power car! :P

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FI Guide - is the stick topic @ the top of this section... along with the dyno result ones mate :P

Tells you what to do, its fairly straight forward and even i would be confident doing it as the DIY is very good.

I think there is also another DIY thread (in the DIY section) on top of the FI Guide DIY link :thumbsup:

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In those kind of ambient temps your fuel temps may well have been over 65 degs on the dyno - which can cause the fuel pump to drop pressure and or flow.

I commonly see this issue on queensland dynos where the room temps are up around 40degs. Its just those bloody southern tuners dont have a clue how much difference ambient temps makes to eninge tuning!!!

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In those kind of ambient temps your fuel temps may well have been over 65 degs on the dyno - which can cause the fuel pump to drop pressure and or flow.

I commonly see this issue on queensland dynos where the room temps are up around 40degs. Its just those bloody southern tuners dont have a clue how much difference ambient temps makes to eninge tuning!!!

I flew to Mt ISA to tune a GTR and i can tell you it is an eye opener....

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yeah still in the process

im pulling the emanage out and have got Nistune installed now

things move pretty slow up here didnt you see that lol

are you saying the ambient temps made a huge difference Trent or not alot ???

Ive always thought that they would make an extreme difference to tuning

Edited by Haines
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  • 2 months later...

i did power runs on a differnt dyno it made 285rwkw on 16psi

coil packs are in re wired the pump

with the stock reg it was really rich after the wires were done!

fitted a adj fuel reg

turned it back a bit and added some more boost 17 psi same dyno as the 285kw run put out 336rwkw

300kw on 13 14psi

still needs a tune and more boost... will be done in a couple of weeks :D

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