Dynamometer Results & Comparisons - H/C 6.0, NA and 125 shot

Well my numbers aren't amazing like some that are posted here, but i think they're pretty stout and repeatable. The graph came out a bit light on my scanner, for reference the nitrous is spraying from 3-6k. Mods are as follows

2003 LQ4 bottom end w/ARP rod bolts
Katech stage 2 heads, 241 casting with stock valve sizes
Patriot dual golds
7.4" pushrods
Comp 228/230 .571/.573 112 camshaft
stock MLS head gaskets
XS 1 3/4" LT headers into 2.5" duals with magnaflow mufflers
Stock FAST 90 intake
Fast 90mm TB
GM 85mm MAF
Stock 10 bolt and 3.42 gears
LS7 clutch
Red top SVO injectors and 255lph pump
TR-6 plugs gapped at .035"

The nitrous kit is a single nozzle HSW sudden impact kit with 57 nitrous jet and 31 fuel jet (125 shot)

http://img.photobucket.com/albums/v397/adamblodgett/IMG-2.jpg

very nice numbers..i will b running a setup similar 2 yours but with stock 317s + a tsp torquer v.3, a 150 shot, and a forged bottom end

Sweet Numbers Adam! I bet it feels pretty damn good.

Thanks Stephen, car feels awesome. I can't wait for the next cobra that wants to mess with me :)

125 shot only good for a little over 90 rwhp ?? Nice torque gain but why aren't you getting at least 105+ hp out of the shot ?? Bottle pressure ?

Nice runner though for sure.

bottle pressure was a little low, around 750, was having some trouble with the bottle heater. Honestly when i saw the torque gain i didn't really care about the HP being a tad low.

I hear ya bro, thats what I thought. I just figured I'd ask since you were on and would probably answer back quickly.

Better psi will probably increase both hp/tq !!!! Looks to me like you got a sleeper graph for racing, knowing that when your bottle psi is better then you'll make even more :)

Better psi will probably increase both hp/tq !!!! Looks to me like you got a sleeper graph for racing, knowing that when your bottle psi is better then you'll make even more :)

Never really thought about that really, but its a good idea. I figured thats what the bigger jets are for :drive:

Yes that too, but when the bottle is warm and the psi is up you get a lot closer and sometimes better then the jet rating. I've seen 125 shots pick up from 120-130 rwhp !! Then the torque was 150 and up as well. Both from a 125 shot. TNT is notorious for adding more power then the shot is rated at from what I've seen from peoples results.

The nitrous HP numbers would of been more if it would of been held out like the N/A run. You can see the graph is climbing up and hasn't reached peak yet (based on the N/A side). So it probably will show 105+ rwhp gain if held out longer. Hard to read the RPM #s, but it looks like the nitrous run ended @ 5900 while the n/a went to ~6500.


Tony Whetstone

I see your point. Graph is difficult to read.

Thanks Stephen, car feels awesome. I can't wait for the next cobra that wants to mess with me :)

We need to get a trip up to SGMP and see what that beast will do in the 1/4!

Did Chris tell you I went 1.7 60ft - 7.8 @ 89 - 12.3 @ 107? It was down by about 5-6mph in the 1/4 so we are gonna try and lock the converter in 3rd and see if it picks the mph back up and maybe hit some 11's. Gotta work on the 60 also. I am also running a heavy ass steel driveshaft now as to the light aluminum one I used when it was running 112/113 that has been bugging me that it may have something to do with the mph also.

Better psi will probably increase both hp/tq !!!! Looks to me like you got a sleeper graph for racing, knowing that when your bottle psi is better then you'll make even more :)

yep iv seen on my old setup a 100 ftp drop when pressure was down

nice numbers bet its a blast to drive

The nitrous HP numbers would of been more if it would of been held out like the N/A run. You can see the graph is climbing up and hasn't reached peak yet (based on the N/A side). So it probably will show 105+ rwhp gain if held out longer. Hard to read the RPM #s, but it looks like the nitrous run ended @ 5900 while the n/a went to ~6500.


Tony Whetstone


I only had a 6k rpm pill with me for the window switch

I only had a 6k rpm pill with me for the window switch

That would explain it then :) What window switch are you using? MSD makes a digital one, no pills needed.

That would explain it then :) What window switch are you using? MSD makes a digital one, no pills needed.

Its an MSD switch, im working on making an adjustable on/off box with a couple potentiometers.