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thx for the info ;) Just use fuel management like a safc, I use a greddy blue in combination with the blitz and run 800cc's.

+1 on the quotes from Daniel, it's all about efficiency and you can't change physics- and thermodynamic laws. There is also the bearing resistance which in a twin set-up is double, athough this will play a minor role. People tend to think about stock twins and their quick response when...

could be a bad O2 sensor and btw, over here it costs about $150 to fill up the tank, maybe that soothes your wallet pain a little ;)

Over a stock ecu you'll get: -no more speed cut -no more boostcut -slightly raised revlimit: 7600rpm -more agressive timing -fuelling adapted to more boost although I find them a bit too rich up top. -mostly tuned for 550cc injectors (I've had two + a friend has one, all are tuned for...

Yes, I was talking about a blitz, should have mentioned that.

thx for the link, but they also haven't tried it, guess I will be buying one and try it out

blitz ecu's have an extra board, so do the mines. So it looks like even the blitz's and mines' of this earth couldn't get into the stock eproms to change things. All partnumbers of the eproms used on the extra board have been carefully filed off, guess they want to keep their technology to...

Anyone know if the knock link works with the stock jz knock sensors? Would be a nice monitor to have in-car.

looking good!! One thing however, just read your spec list and I wonder if a 40mm wastegate isn't a bit on the small size for this set-up and your power goals, I think you will suffer boost creep with it.

Sounds like air in the system. The line from the reservoir to the cylinder goes up a little first before it runs down. When filling up the system little air bubbles can be in the fluid which collect up there to one big bubble after some driving, so now you're pumping air. Just bleed it again...

422rwhp? on stock 1jz twins? *respect*

The heat sinks are not for cooling, they are to increase the condensation surface. The plate in the head is to direct the gas flow over the heat sink. The can is mounted right behind the IC, there is no engine bay heat there.

Bad mileage, bad starting, misfiring at higher revs are some signs.

Always give every pump it's own power feed. Look at the tables above what the impact is of the power dropping.

It's a really nice pump and controller no doubt about that, but isn't this a bit overkill for the average 500-600rwhp we get from our engines? I mean, the controller alone costs more than two walbro's...

Nice one! Bookmarked ;)

I have heard of the three bolt to slip, no personal experience though.

Here's some sheets with several tests and this website has a lot of info: http://www.stealth316.com/2-fuelpumpguide.htm

I think that he had that cap replaced, at least if you're talking about the brown one. I agree the traces need cleaning up though.

Yep, he's right. The ecu pulls them to ground, so with the ignition in the 'on' position you should measure 12V to ground on both pins of the injectors, clips need to stay on. But, you better fix the errors which throw the codes first, they might be related, but then again they might not, at...