Blitz Power meter SJ how to install ???
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It might be fine. I was just saying that I wouldn't trust it without testing it. -
Traction wasn't bad, l couldn't give it everything off the line but was able to go WOT about half a second after rolling - good for NZ drag strips. Like one run I did a 1.96 60ft and pretty sure I was on for a 12.4 but lifted early as I was on a 12.5 dial in, and still won haha -
Nice one! I was going to take mine down to SMSP drags one Weds night. I'd love to compare it with my GTR which did a 12.3. The bum-dyno in the 335i says its quicker. How was the traction @Lithium? -
By joshuaho96 · Posted
AFAIK I've seen other people recommend using the back of the balance tube as well. Andre Simon from HPA at least. I can't imagine it being that far off from ideal even if it was only used to drive a boost gauge from the factory. -
Hi All, New member here, I've joined to help my son with an issue that is truly doing our heads in. I'll start with a bit of an overview. Chris carried out some modifications to the engine to try and extract just a little extra power out of the motor and make it a bit more efficient. Previous to this work, the car already had an upgraded exhaust, increased boost up to 14psi, modified standard turbo to metal impellers and slightly oversized, upgraded fuel pump, been dyno-tuned at JEM, and some other bits n bobs like coil packs etc. Before the current mods it was making 236rwkw at 14psi but after the new mods it now makes 209rwkw at 14psi. The work he carried out is as follows, timing belt service, water pump replacement, return to sump radium catch can, had oem head rebuilt and machined 0.2mm, fitted Athena cut ring head gasket 1.2mm thick, arp 2000 head studs, added rear prp head drain, added an external wastegate 40mm turbosmart welded off the stock manifold and plumbed back into a 3in dump. The car has been on the dyno and apparently the ignition is working, fuel flow and fuel pressure is fine, injectors are fine, spark plugs are working fine, Maf is working, O2 sensor is working, TPs sensor is working, VCT is working, CAS is working, boost leak test showed no boost leaks, compression test first crank cold 135psi and got to 150psi across all cylinders once cranking, timing is confirmed at tdc with a dial gauge and the cam dots line up, no blockages in intercoolerm throttle body or pre-turbo intake, no blockages in exhaust, cat conveter or down pipe, turbo looks fine and spins and wastegate looks fine and is new. Soz for all the detail but after all this, it has been in 3 times for dyno and each time comes back stating it's not going to make power. After the first (or second, can't remember now) trip to dyno we did find the timing out by one tooth and this improved things, but it is still well down. Does anyone have any ideas? Any replies much appreciated as we're just not sure of which direction to take this. Regards Rob (Chris's Dad).
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