I have a 348cu 88mm single tb Car has 400tb trans with trans brake and 2-step already install. Was wondering if anyone is using N2o at the line to help with spool times? Car made 800rwhp on 14lbs was just trying to get my spool times quicker at the track with maybe a 150 shot on a manual botton just for spooling purposes. What does anyone think? Oh I already have the N2o system TNT F2 just begging to be used for something. Thanks

 

800rwhp.....and thats not good enough.......haha

sounds like you dont need too much help if you are that far.....

how low is your c/r....i was thinking about the same.....my car will prob be a dog untill it hits boost and i dont want to do the methonal inj.

i would like to see some more posts on this as well

any pics taillights????

 

What size converter do you have? Any dyno sheets? I'd think with the T-brake and the right converter you wouldn't need the nitrous...

 

I'm thinking the same. With a 2 step and t brake you should be able to hit pretty good boost right there.

 

I have a neal chance converter built for my car. Still seems a little slow to build boost at the line for some crazy reason. On the street when I'm just under the stall and hit it It seems to hit almost instantly. Oh the stall is around 3600 or so.

 

you could try a three step! works pretty good ! Gets the boost on the way when your on the footbrake bumping into the line. then it will hit a higher rev limiter when you set yourself on the transbrake. What takes the most time usually is just getting to the first couple lbs of boost.

 

That's what it seems like as soon as it hits any boost it just shoots right to my setting.

 

yeah you can use a 3 step ...and get the boost moving that direction on the footbrake ..

 

just make sure you have a great trans cooler.

 

Dyno sheet

 

88mm truck manifold set-up There are some pics on here just search what it says here and scroll down until you see the pics.

 

i have some in my shop I will try to post some another day.

 

trans always seems to be fine on temps according to the guage. big cooler up front.

 

a 3 step with a foot brake limit set to 3k then set the trans brake to 35ish right before stall. have it poping of the limiter threw both lights. i also use a boost controller set at 15 psi on foot brake and 7-10 on transbrake and on the foot brake i get about 12-14 psi in 1-2 secs. works killer and a 1.22 sixty with a Turbo 6

 

Thanks iwill just have to test somemore at the track or a spot in town with 2-step and T-brake to try just for spool time. Thanks again

 

How long does it take to spool your setup, and what compression and cam?

Mine was bad initially (8:1 348ci + GT47-88 T6 flange) but it's better with the new PTC converter and using the BS3 2 step.

 

Comp. ratio 8.75to1 cam specs 234/238 lift 598/605 ls115. Have new nc converter. Probably just need to play with the 2-step and trans-brake settings and see what works best. My conv will stall around 3600 to 3800 what do you think is a good place to start with 2-step currantly tried it on 4000 but I only had my boost set at 10 and thats as high as it was going on the launch. What are some of your opinions.

 

when does your convertor stall 3600-3800,under boost or not?

 

sorry about no torque but for some reason the dyno wasn't showing it that day. didn't care that day was just using it to work on the AFR at different RPMs.