PSA: Check/replace your FPR hose
#1
PSA: Check/replace your FPR hose
Or it could cost you a motor:
During my buildup, due to my ignorance/neglect I didn’t replace every vacuum hose and missed the fact that the FPR hose had become hard and wasn’t OE clamped or the very least ziptied on.
After a 15psi pull the FPR boost reference hose blew off and leaned out the motor.
Fortunately/unfortunately the car still runs OK, but its defiantly hurt from the lean condition.
I’d recommend replacing this hose if you haven’t in awhile, and at the very least, every oil change or so shoot a flashlight behind the UIM and make sure its still nice and secure and the hose is in good condition.
All the mods in the world (with the exception of maybe meth/AI) won’t help you if your FPR looses its boost reference and leans out, the crux of the rotary motor.
During my buildup, due to my ignorance/neglect I didn’t replace every vacuum hose and missed the fact that the FPR hose had become hard and wasn’t OE clamped or the very least ziptied on.
After a 15psi pull the FPR boost reference hose blew off and leaned out the motor.
Fortunately/unfortunately the car still runs OK, but its defiantly hurt from the lean condition.
I’d recommend replacing this hose if you haven’t in awhile, and at the very least, every oil change or so shoot a flashlight behind the UIM and make sure its still nice and secure and the hose is in good condition.
All the mods in the world (with the exception of maybe meth/AI) won’t help you if your FPR looses its boost reference and leans out, the crux of the rotary motor.
#5
RX-7 Bad Ass
iTrader: (55)
This is also a good reason to use GOOD vacuum line. I've used Hose Techniques silicone vacuum hose for YEARS, the 3.5mm is the perfect size. It STICKS on there, you have to work at it to remove the hose. It will NOT blow off.
Dale
Dale