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View Full Version : Rb25 need help please!!!!!!!!!


kevi240sx
05-21-2012, 09:49 PM
Hey guys i jus did my rb25 swap,i installed a gt35 turbo,tomei headgasket,rb26 injectors,super fc,intake manifold,q45 throttle body,3 inch piping with tial 40mm wastgate and bov,the car has a automatic transmission///////////problems i am having is when i acellerate and coming to a stop the car shuts off,sometime the idle fluctuate and the battery lights comes on i have the miata battery,i am currently on 10 pounds of boost but i am not hearing the wastgate opening,any suggestion guys need help asap and what is the highest amount of boost i can safely dyno the car with.

VHS13
05-21-2012, 11:06 PM
Are you venting the BOV to atmosphere?

2.5T_/<ouki
05-21-2012, 11:35 PM
Check for boost leaks?
IACV screw?

kevi240sx
05-21-2012, 11:38 PM
dont really understand when u say venting the bov to atmosphere

2.5T_/<ouki
05-22-2012, 12:13 AM
dont really understand when u say venting the bov to atmosphere

He wants to know if you have your BOV recirculated or is it venting to atmosphere (show off valve)

Is it stock BOV? If not what do you have?

kevi240sx
05-22-2012, 05:23 AM
it is a tial bov and its venting to the atmosphere

ch1873857
05-22-2012, 08:43 AM
that is your problem you must account for the bov in your tune or recirculate it if you recirculate it no adjustments need to be made with you tune but you surely can fix it with you power fc wait power fc right i never heard of super fc but either way yeah you can problem is you can recirc a tial your have to vent to atmosphere the easiest fix for this is put a stiff spring in the bov because it sounds ike it open at idle and thats your issue that should fix it..

this is how hard it is to read your jibberish. use grammer and punctuation.. seriously.