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thats a nice looking 89!!! are you grudge racing from a dig or roll lol?? thats the question. as far as gears going from a 3.73 to a 3.90 you're not going to see that drastic of a change in acceleration in boost. my car came with a 3.73 and i put a 3.90 in it for autox. off boost bogging 2nd...

yeah you can't really run the qtp's on the street that much. i drove to the drag strip on mine but its not more than 10 miles. the mt are much better for driving around and roll racing. the qtp's are for dig racing and toodling to the track. i did some pulls on the hw was fine but you wouldn't...

i wouldn't even bother messing with gears. if the welds are 15's just get the 26x11.5x15 qtp's and call it a day. could sell your radials to recoup a little too. to give you an idea on a prepped track 18psi is all they needed to hit a 1.5 sixty foot. they have enough hook if you lowered them too...

are you talking a 28" tall slick or street tire? i'm guessing a 28" tall slick unless you're off roading your mk3 lol. unless you're running 1000whp id say it's over kill and will just slow you down. i have hoosier qtp's 26x11.5x15 and they hook like a mofo. have hit a 1.5 sixty foot and that...

there isn't much to know. you basically set it then leave it alone. its not used for tuning as far as i know. theres a lot about it all on sf all the post are really old though lol in open loop yes im pulling fuel. i prefer to adjust fuel pressure accordingly so i'm always pulling fuel. it...

all the hks vpc does is remove the afm and convert to a map system. its benefits are you can run a large 4" intake and vent the blow off valve to atmosphere. you still need an afc to adjust fuel. its pretty old school but it works people have had some fast cars on this set up making a lot of hp...

this is what i ran on my car when i first got my na-t running. its a quality clutch and priced well. for 500whp and under it works great. north of 500whp you'll prolly see slippage espcially under hard use like launching at a track. i replaced mine with a os giken twin but it lasted a couple...

personally i would send it back. that huge exhaust wheel is going make it laggier for sure. the 68mm wheel is already big for the 62mm compressor wheel so it won't choked up as easy as say a pt6262. but the 73mm wheel pretty sure come on the s366 which is totally over kill for that turbo...

get a pair of the 26x11.5x15 hooiser qtp's and you could fairly easily. radials suck on a stick car. i got a couple good sixty foots with them but they are very inconsistent. and will wheel hop horribly sometimes. bias ply tires absorb all that and are more consistent. a good 60ft is key to...

yeah it was fast had 980whp. he had also been racing all day at their event and i showed up at the end to watch some then race at teh street legals. we both wanted a 10 shoulda bet him on fastest time not who crossed the finish line first lol. i was right on his ass at the end!

hahaa toyotanos i literally went through the same thing this past weekend made over 15 passes and didn't hit my 10 second goal. it was my first time out on the hoosier qtp's i got. happen to be same size as yours. they own'd the mt drag radials i used the past couple years. never wheel hopped...

line lock and 750's!!! also put in a walbro 450 not too long ago

there's two ways to remove the r154. in the car like you're trying to do where you remove the inspection covers. then unbolt the pressure plate. then drop the trans. or you can pull the motor and trans together then once out of the car yank the clutch fork out which will allow you to slide the...

yeah id double check wiring its pretty specific about how it has to be wired. also check what kotu100 was saying. you really need a wideband to that list. when i had those mods the wideband and afpr made it pick up quite a bit. going from running 10 or below a/f then to mid 11's really wakes it...

if it leaked that much oil driving a half mile i bet you got one the many pt turbos that just fail. seen many leak in under 1000 miles. there quality control doesn't seem that good. i personally know a couple people that have had that happen. part of the reason i got a brogwarner turbo. your...

oh ok nice! with a lower hp goal making it responsive is much easier. it becomes difficult or near impossible to have a responsive setup with larger turbos. id say anything over a 62mm is going to be horrible for autox or drifting or track days cause the lag factor. that's why they have quick...

when i was figuring out my na-t build my goal was a responsive setup that could do autox, drags, track days, or just hit the road. at first i wasn't going to go with a ffim but then when i tore down the motor for the tt hg/arp studs i was like im never putting that pos back together. i would...

if you don't plan on driving far to the track on your radials id get the hoosiers. they're quite a bit lighter than the mt and the sidewalls are softer and flex more like a bias ply tire. the mt has a much thicker sidewall. my buddy in his zl1 was launching like crazy with 17" hoosiers. ideally...

no you're seeing it right lol. it did that because it was on a portable dynojet at a diesel dyno day. so all they had was a thing that mounts to the ramp and gets a crank signal from the crank pulley. no plug wire thing. so during the pull my motor moved and threw off the reading. it doesnt...

to run 1/8 mile you have to run a drag radial or slick. in the 1/8 your 60ft is even more important than in the 1/4 cause you don't have that extra track to reel in cars that trap slow but launch hard. radials tend to be better to start with they are much more stable and only have to buy two...