UPDATE: going to dyno tomorrow; results posted
#1
Senior Member
SL Member
Team N.V.S.
Thread Starter
Join Date: Dec 2004
Location: Roseville, CA
Posts: 366
UPDATE: going to dyno tomorrow; results posted
Well heres my dyno chart, i must say im a bit dissapointed. I think the problem lies within my pulley. for whatever reason i barely hit over 8 psi on the dyno at 6275 rpms. im not sure if there is a defect in my pulley or what not, but i am a little dissapointed in the numbers. Im sorry to dissapoint but i dont believe the header made much of a difference, at least not as much as people think it would.
heres my setup:
TRD supercharger
ZPI pulley
Alphawerks Header
3in s-pipe
2.5in magnaflow exhaust
bosch 110 BPV
heres my setup:
TRD supercharger
ZPI pulley
Alphawerks Header
3in s-pipe
2.5in magnaflow exhaust
bosch 110 BPV
#2
Good luck, you should see somewhere around 220-230whp. With just the supercharger alone puts manuals around 185whp. With the pulley and other mods you have, you should see around 220whp. Especially with the pulley.
#7
Originally Posted by killerxromances
Good luck, you should see somewhere around 220-230whp. With just the supercharger alone puts manuals around 185whp. With the pulley and other mods you have, you should see around 220whp. Especially with the pulley.
#9
Sweet man, I am hoping to go get my car dynoed Saturday... I have almost the same setup...
ZPI pulley
3in exhaust, Header Back
intake
Bosche 110 BPV
and I just added a DC Sports Header...
I was getting 227whp and 197ft-lbs before the header..
ZPI pulley
3in exhaust, Header Back
intake
Bosche 110 BPV
and I just added a DC Sports Header...
I was getting 227whp and 197ft-lbs before the header..
#16
man...i thought it would have better numbers? But if you said it barely hit over 8 psi, i was hoping about 240-250 whp. Maybe others out there with the NST and ZPI pulley should get dynos too for their numbers to see what everybody else is putting down.
#17
the zpi pulley is suppose to be 9.5 psi isnt it? to be honest i actually think its your s-pipe that may be the reason your numbers are so low (thats if you got a fully funtional pulley). to me it seems too big for what you actually need so it may be causing you to lose some power instead of gaining. bigger isnt always better esp. when it comes to your exhaust system.. mayb try getting a 2.5 inch one. jus my opinion though
#18
I was dead on then. I figured around 220-230whp, closer to 220.
EDIT: You should be proud of that, thats about 90whp above stock. Of course, like i always have said the trd s/c is overpriced and over rated by a ton of people. If you wanted closer to 300whp then a turbo would be safer, and easier to acheive vs. what trd produces. But 224whp is about 30whp above what the supercharger alone puts out, which is very reasonable.
EDIT: You should be proud of that, thats about 90whp above stock. Of course, like i always have said the trd s/c is overpriced and over rated by a ton of people. If you wanted closer to 300whp then a turbo would be safer, and easier to acheive vs. what trd produces. But 224whp is about 30whp above what the supercharger alone puts out, which is very reasonable.
#19
this may sound like a dumb question, as most my engine knowlege is old school v8 thinking, not tuner cars; but when our sc's were installed they increased the injector size. Is that something to consider when adding the pulley & increasing the boost? Maybe these run a bit too lean with the extra air blown thru? Man, back in the day we messed with carb jets, timing, etc each time we changed exhaust, cam, manifold, etc to take full advantage of the mods. I realize we had to do all that since there were no computers on our cars, but is there some "tuning" to be done to get the most of these types of add-ons?
just wondering out loud; especially for when the time comes that we do more to the wife's ride.
just wondering out loud; especially for when the time comes that we do more to the wife's ride.
#20
Oh, and i might also point out that the 3in s pipe is a little large, even for the f/i set up. However, you would loose more torque than you would horsepower with that size. Your horsepower might go up 2-5whp with a 2.5 pipe, but your torque would probably raise another 10wtq.