knight_yyz

iTrader: (40)

Well, they call it a velocity stack, basically a plastic composite version of the JWT pop charger stack but 3.5 inlet, and 6" od for a really big filter.

Thanks for posting all this info nmexmax, it's a lot of great information and dispels a few myths too.

knight_yyz

iTrader: (40)

oops, i keep saying velocity stack, and nmex is right, it's called a flow stack

NmexMAX

iTrader: (22)

is wrong with me? How come I never compared my 2 best runs? Am I that much of an idiot? I need to go home and compare, since I have not been able to find it on here, my 2 best runs.

Details to come. Again this is the whole SSIM CF.

sparks03max

iTrader: (7)

Nice always liked your dyno threads. I know that I should hit a dyno to test the 2.5" vs 3" Y-pipe and vias delete stock VS SSIM... Just need a SSIM to test with haha.

I did get the UTEC and such installed after all! I had a good laugh reading my posts in this thread, lol

NmexMAX

iTrader: (22)

Here's the comparison of my best functioning VI an SSIM.



But, we must not forget, the 233 is with an intake and headers, that's it. Whereas the other is with ... ahhh a lot more.

rroderiques77

iTrader: (45)

So the extra 8 HP was with what? SSIM, Land Rover MAF, etc?

NmexMAX

iTrader: (22)

Come on man, look at the area under the curve! Peak numbers are ftl ..

Ahh, TS/SSIM/different intake/LRMAF/LW wheels/test pipe/cattman B-pipe some SAFCII fidgeting.

sparks03max

iTrader: (7)

Yeah looks like gains would have been nearly 30hp if the 233 run were taken out to the stock rev limiter. 20hp at 6500 isn't too bad either!

Between JayPee's SSIM times, and your dyno, I am considering revisiting the SSIM... I believe I have all the supporting mods you could possibly want, at this point.

Grand_hustle17

iTrader: (22)

you're a funny guy, that all i can say.... funny guy

sparks03max

iTrader: (7)

Why, because I still don't have a SSIM?

ajcool2

iTrader: (43)

Yeah SSIM is FTW. Still need mine done.

ajcool2

iTrader: (43)

You mean 20HP.

Grand_hustle17

iTrader: (22)

naw because everytime i said something about the SSIM you was one of the few that comes and bash it because of theory... all cool though

sparks03max

iTrader: (7)

Because of theory, huh?

Let's not forget that I had a SSIM on my car for over a year.... Theory my ***.

NmexMAX

iTrader: (22)

Tuned+supporting mods SSIM vs untuned non supporting mods SSIM



WQT




WHP

03BlkSETE

iTrader: (3)

Wow. That is some serious area under the curve gains.

NmexMAX

iTrader: (22)

Good for all the nay sayers re: SSIM loses you torque Not if you know you're doing


I am planning on dynoing a week from the 18th. Should be semi interesting, I hope to at least match my old numbers. The new dyno will show the gains from the 3" exhaust + fastcat (last time was catless + cattman B pipe) and NWP spacers and a sort of new intake.

Last time was a filter strapped to the TB w/LRMAF, this time will be stock Helmholtz, 3" ID MAF + JWT POP. Let's see.

Rods03Max619

iTrader: (5)

Will be waiting for that one Damn that is alot of dynos you have take so far, can't wait to get some headers and lighter wheels to see what's up...

NmexMAX

iTrader: (22)

My water heater busted, and I'll be out of town starting tomorrow until Saturday (late) on vaca. So I will hopefully get my water heater installed Sunday or Monday, but it if happens Monday, I obviously wont be dynoing Monday, more like Friday ... either way, it's within the mile ..

aic96max

iTrader: (12)

any update, been following your results to help guide me with my car, what kind of headers do you have? do you know if that lrmaf can be used in a 4th gen?

schmellyfart

iTrader: (46)

I don't think the LR MAF can easily be used on 4th gens because our MAFs do not have the removable sensor like 5th gens and newer do. I believe our easiest option for using a larger MAF is using a N62 MAF from a Z32 or a J30.

ajcool2

iTrader: (43)

Or you could take a peice of pipe and make your own.

Grand_hustle17

iTrader: (22)

That

aic96max

iTrader: (12)

write-up?

schmellyfart

iTrader: (46)

Cut and paste?

There was a guy here selling a custom 3" maf.. I'll see if I can find it.

Edit: Found it.
http://forums.maxima.org/4th-generat...h-maf-etc.html
And maybe something you will want to do to the maf while its out.
http://forums.maxima.org/4th-generat...af-sensor.html

NmexMAX

iTrader: (22)

I suppose I can add a little more to this thread. I haven’t dyno’d in years, but this is good info. Put a few theories to rest if anything.


These are the results of at least 4 runs (best of) with the listed respective mods.

Purple: Cheap autozone filter connected to LRMAF (3.25”) connected directly to the TB, NWP spacers/Cattman Gen I headers/no cat/Cattman 2.5” B-pipe/Stock Muffler/TS F-Spec/SAFCII/+2ş BTDC/335cc Injectors, AFR's in the same general area, mid/low 13's.

Green: Addition of 3” Cattman exhaust, FastCat, and 3” MAF housing/JWT POP/Stock Helmholtz resonator.

Red: Addition of 2.5” test pipe, removal of Helmholtz resonator, replaced with a straight pipe (3”).

niceguy

Interesting...was the FastCat a 3" diameter like the rest of the 3" Cattman catback?

Being that the 11hp hump was around 6100rpm, do you think it was more intake related and opening up a more consistent intake path?

The Wizard

iTrader: (43)

Nice! Thanks for sharing. With any luck, now that I have a 4" Ti system with no resonator and a custom test pipe, I might just pick up some power on the dyno. 400hp...here I come.

NmexMAX

iTrader: (22)

The FC is 2.75" ID. The 3" TP is closer to 3, and the 2.5" TP is, well 2.5".







One thing to note in the graph is that the initial start of the dyno is lower in torque, by a lot, I blame that on the exhaust.

I've proven the Helmholtz theory on the first page of this thread. And it didn't add much at all, just changed the curve. Check the first page on that info.

Oh man Wizard .... yeah I know you'll do that.