I finally got around to put in the non-rev up lower plenum on my Rev-up motor. Gosh I love the extra HP and Torque!! All I did was trim down the runner 1 and 2 (see pics below). I was going to get it ported but I hardly ever have time so I decided to just put it without that.

BTW I only have a Z-tube and I doubt I gained anything from that maybe 1-2 hp, mainly got it for the sound.
So my comparison is a good one coming from stock.

My ghetto way of testing it was racing a car before and after. lol


Raced a friend's Trans-am V8 (LT1), Manual, with intake and straight pipe exhaust.

Before the Mod: We raced about 3-4 times from a roll. 40mph to 100/110mph. As soon as we started he would jump one car (all the v8 torque) and then it would stay that way until the end of the race. All races he beat me by one car length.


After the Mod: Two days later, same car, same driver, raced again. About 4 times, with the same results! This time as soon as we started I stayed with him (he no longer got the hit and jumped infront). 40-100mph ,
I pulled 2.5 cars on him and kept pulling but we slowed down(100-110mph).

So I gained a total of 3.5 cars from this mod!!! Very Impress and really feel the difference, mainling the torque!!

I got a HR Y Pipe, that's going in next.

Time for me to do go to the track after the HR Y pipe. When you guy doing the next Track Day?

Stock non-rev up lower plenum, pics before flatting out runners 1 and 2:





After trimming down runners 1 and 2:

 

MD better watch out!

Do you have any drag times to compare to?

 

Haha, no disrespect to MD in anyway.

We'll first and only time I took my G to the track was around when I first got it. I believe you were there, along with the other G35 members on here (track day). I kept running 14.7 at 96MPH.

Looking at the MPH I should have been in the low 14s.

Stock tires are pretty crappy...

I really want to go again after I put in the HR Y pipe. I was suppose to put it in today but didn't get the chance, most likely tomorrow.

You guys want to make another G35 Track day?

 

haha so this is where u asked about a track day. Ill def be there on wednesday. We can run if you want... but im a 2006 non revup. 20" wheels but i have intake exhaust and a 5/16 spacer. my best run at the track was a 14.3 .... i would like to beat that best time... but i think my wheels are holding me back. well see.

 

Yea we can run for the hell of it. Should be a pretty good race.

That's not a bad time at all for an auto with 20s on. What was the MPH on that 14.3 run?

I hope I can get some better tires before the track. My stock tires are really crappy and can't ever get a good launch.

 

I lost my time slips.... but it was up in the 90's

 

Are you running a spacer with the modified plenum as well?

 

Nope, planning on in the future.