tuning the motor, how high should rev limit be? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

frankenfresh · 07-21-2009, 03:00 PM

I've been working on my car for some time now and its almost getting to the point of being all back together and getting tuned. the question is when I have it tuned and a new rev limiter set, how high should it be? I'm told that with my upgraded cams, valve springs and rocker arm stoppers I should be able to rev quite a bit higher. my set up is:

sr20det, 5spd
hks ssqv (welded onto the cold side)
nismo 550 injectors
z32 maf
blitz filter
s15 t28
ss turbo lines
megan exhaust manifold
megan turbo elbow
megan down pipe
greddy profec b
greddy front mount intercooler
wlabro 255 fuel pump
BC 264 cams
Brian Crower Valve Spring & Ti Retainer Kit (i think its BC200 or somthing)
rocker arm stoppers
greddy adjustable cam gears
power fc ecu
light weight pulleys
spitfire ignition system and coils
Circuit Sports Magnetic Oil Drain Plug
NGK Iridium IX Spark Plug, 7 Heat Range
Wix Z32 Fuel Filter
ISIS Intake Manifold
ISIS underdrive Crank Pulley
Peak Performance Thermal Intake Manifold Gasket
sard fuel presure regulator
fuel presure gauge
2.5" hot pipe
2 12" fans
adjustable fan controller
3" aluminum rad
nismo thermostat
bigger oil pan
oil cooler
new front timing cover and oil pump
front main seal
new oem timing chain
revised chain guides
new lower cam chain sprocket
new cam chain tensor
F1 stage 3 clutch
fidanza 9.5lb flywheel
driveshaft shop aluminum 1 piece drive shaft
nismo 2way diff
300zx axles
plx wide band and guage
engine torque dampner

holemilk00 · 07-21-2009, 04:21 PM

That turbo will run out of efficiency way before you over rev that motor, a good tuner will see when you are out of your power band, and set the limit just above that (about 1000RPMS) but you should note where your power band is, and keep that in mind when shifting.

Grenade180sx · 07-21-2009, 04:49 PM

^ true sr stock limiter is what 7200? i say maybe 7800ish and ull be good

frankenfresh · 07-22-2009, 09:52 PM

thanks a lot

07-21-2009, 03:00 PM	#1
frankenfresh Leaky Injector Join Date: Mar 2009 Location: canada Posts: 63 Trader Rating: (1) Feedback Score: 1 reviews	tuning the motor, how high should rev limit be? I've been working on my car for some time now and its almost getting to the point of being all back together and getting tuned. the question is when I have it tuned and a new rev limiter set, how high should it be? I'm told that with my upgraded cams, valve springs and rocker arm stoppers I should be able to rev quite a bit higher. my set up is: sr20det, 5spd hks ssqv (welded onto the cold side) nismo 550 injectors z32 maf blitz filter s15 t28 ss turbo lines megan exhaust manifold megan turbo elbow megan down pipe greddy profec b greddy front mount intercooler wlabro 255 fuel pump BC 264 cams Brian Crower Valve Spring & Ti Retainer Kit (i think its BC200 or somthing) rocker arm stoppers greddy adjustable cam gears power fc ecu light weight pulleys spitfire ignition system and coils Circuit Sports Magnetic Oil Drain Plug NGK Iridium IX Spark Plug, 7 Heat Range Wix Z32 Fuel Filter ISIS Intake Manifold ISIS underdrive Crank Pulley Peak Performance Thermal Intake Manifold Gasket sard fuel presure regulator fuel presure gauge 2.5" hot pipe 2 12" fans adjustable fan controller 3" aluminum rad nismo thermostat bigger oil pan oil cooler new front timing cover and oil pump front main seal new oem timing chain revised chain guides new lower cam chain sprocket new cam chain tensor F1 stage 3 clutch fidanza 9.5lb flywheel driveshaft shop aluminum 1 piece drive shaft nismo 2way diff 300zx axles plx wide band and guage engine torque dampner

07-21-2009, 04:21 PM	#2
holemilk00 Nissanaholic! Join Date: Oct 2006 Location: Cape Coral, FL Posts: 2,486 Trader Rating: (33) Feedback Score: 33 reviews	That turbo will run out of efficiency way before you over rev that motor, a good tuner will see when you are out of your power band, and set the limit just above that (about 1000RPMS) but you should note where your power band is, and keep that in mind when shifting. __________________ I had a cool signature

07-21-2009, 04:49 PM	#3
Grenade180sx Nissanaholic! Join Date: Aug 2007 Location: 909/951 Age: 37 Posts: 2,457 Trader Rating: (1) Feedback Score: 1 reviews	^ true sr stock limiter is what 7200? i say maybe 7800ish and ull be good

07-22-2009, 09:52 PM	#4
frankenfresh Leaky Injector Join Date: Mar 2009 Location: canada Posts: 63 Trader Rating: (1) Feedback Score: 1 reviews	thanks a lot