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View Full Version : Throw some ideas at me rb20


rb20240sx
02-10-2010, 01:01 PM
Fixed was a couple boost leaks 1 bad one at the iacv gasket and like 2 injector seals.

Z U L8R
02-10-2010, 09:26 PM
once you start making 1 psi and it bucks and stuff that's because there's a boost leak after the maf

your timing needs to be set correctly at 15 degrees advanced at idle

and usdm n/a nissan motors have an "fsm gap" of 1.1 , not sr's , rb's, 2j's, or any boosted motor that i've seen ever.

you need to lower the gap to .028mm. as a matter of fact, get new plugs and gap them down to .028, throw any iridium bull crap plug in the garbage, ngk part # 4644 (bkr7e) $1.89 / each

do those things then see how she runs.

your cam angle sensor should be basically pretty close to the middle of each adjustment slot on the 10 mm bolt holes, if not a little counter clockwise (advanced)

if you have it cocked all the way in one direction to keep it running then there is another problem that needs to be addressed.

good luck

Dave