hey whats up i just put another b20 vtec together i ran the car for about 1000 miles without popin vtec i just hooked the vtec wire up today and to see really what my 4 door is pushing the setup runs like a raped gorilla with vtec but right when it hits vtec you hear a loud click and bam!! vtec it seems like its the vtec lockers in the head but it runs flawless or i think that my vtec is to low it comes on at 4500 rpm what do you guys think

 

either drop you vtec to 4200 or try raising it to 4800-5200 maybe

curious did you torque the lost motion assembly properly?

does sound like it could be the rockers clicking hard with the oil pressure when the vtec is activated(although a click to me does not sound healthy)

like you stated if you have a vtec controller or chipped ecu try slightly adjusting the vtec rpm activation


hmmm your not throwing any codes at all are you before/during vtec?

 

id just got done tearing the head down and i just put it back together checked everything with the feeler gauge everthing is in spec the head just came off a jdm b18c that i bought last week from hmotors the motor was a perfect runnin motor when got it could it be the high pressure prodrive oil pump gears forceing it to pop vtec could it be maybe to much oil perssure

 

no C.E.L lights i raised my vtec point to 4800 still the same click the motor does not lose any power at all id say that vtec is working propperly but i do have a 7.5lbs flywheel too could the motor be spining to quick for vtec to keep up

 

lol this is sig. status!!! why don't you post up a video of what's happening then we can help you better. did you use a relay to power your mad vtekz?

 

That's a first in 8 years for me lol

 

Do you have an oil pressure gauge? If so, what's the pressure at around VTEC engagement?

 

ya so then from what your sayin to me that honestly sounds like a lot of oil pressure making that click then

"it could it be the high pressure prodrive oil pump gears"

a good possability^^

 

Get your car tuned for a smooth powerband instead of playing with it yourself.

 

what intake mainfold do you have on there. If it is the gsr intake it might have something to do with the butterflies for the secondary runners opening up......

 

This made me lose all interest in the threads direction.

 

i have a skunk 2 and sp33 go somwhere else and thread i was just seeing if anyone had the same problem im a 7 year a.s.c cert tech i know how to tune my car im not stupid

 

do you mean A.S.E.?

 

hhhhmmmm..."A.S.E" Certified techs would have more sense than to think a silly flywheel would mess with VTEC engagement, but you said you're a.s.c certified...my bad.

for one...stop messing with the vtec engagement point yourself and take it to a real tuner. Have it dyno tuned. and just like Bunger suggested, check the oil pressure as well

 

this brings back memories of the old vtec thread yo

 

you forgot the "loud click" and the "bam!!"

 

here's the "loud click" ss.BiG ChOr!Zo.x3


and here's the "bam"

 

Then i would have thought you'd know how VTEC actuates.

 

asc lol

 

SO WHAT WAS THE CONCLUSION?

 

did you wire in a relay for the vtec? ie: if you are using turboedit you have to wire in a relay for the 1 wire vtec, not sure with any other programs or stock ecus. but yeah my relay made a really loud click when it would activate vtec and i had it mounted under the dash.

 

a.s.c = AUTO SUPPLY COMPANY.. my sis worked for them, she had no clue about vtec, i guess you're in the same boat.

 

You should raise your vtec up to like 5800....

 

The FAIL boat

 

EXACTLY!!