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By Dose Pipe Sutututu · Posted
I would sell those side feeds before you hydra-lock a motor. I won't say too much about Yellow Jackets because I'll hurt people's feelings, however ask those that tune RBs day in/out what they think of them. -
The 1000ccs are side feeds but they're not currently installed, had my old factory ones in for leak testing purposes, only decided on them because front facing plenums and good top feed rail kits are out of my budget at the moment, are they really that problematic? Had a set of yellow jackets that lasted me 5 years, no real issues, only replaced them chasing this misfire issue that ended up not being ignition related 😄  -
By Dose Pipe Sutututu · Posted
Are those 1000cc side feeds? If so, that's part of your problem. I have 1480cc and they idle at stoich on 98RON, and all the way to E85. Also your coil packs..... -
Update for the sake of closure  Ended up getting the intercooler piping all sorted, new plugs and yellow jacket coils, and she was idling mint until it warmed up while I was bleeding the cooling system. Found the misfire to be localised to cyl 3 by unplugging coilpacks, ran a compression test, that checked out, then decided to get a mate to check if that spark plug was firing out of the motor. Upon cranking it over, with the injectors disconnected, the car actually fired and ran on a couple cylinders and heaps of fuel came out the top of cyl 3 I'd say that injector's either spraying incorrectly or spraying far too much, which is fine as I'm planning on replacing them anyway I'm planning on making about 250kW on flex fuel, and have a set of 1000cc injectors from ozautosport, obviously overkill but I'm planning on building the motor and running more boost further down the line, do you reckon they'd be too big for a smooth idle on 98? Thanks for the replies gents, much appreciated
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By Dose Pipe Sutututu · Posted
Nice modern Hypergear high flow would be perfect.
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