v8hunter

iTrader: (2)

Here is a quick update... I was able to get one gtech run in with the fast 78 intake and came up with a 12.75 @ 119.9. This is 1+ mph better than the same setup with my old ls6 manifold...also getting traction seems to be a slightly tougher as well. This seems to fit with other results I had seen posted here about the fast 78 gaining approx 10 hp over the ls6.
I slightly ported the fast intake to remove the casting marks before installation.

Below is a copy of my old post that talked about this.


"I gteched my car this weekend (without nitrous) to get an idea of what I might run at the track and as a (future) comparison between the ls6 and a ported fast 78 intake. These are my results with the ls6 intake on street tires with no nitrous:

12.85 @ 118.6 (poor launch) one direction
12.65 @ 118.9 (slightly better launch) back other direction

I'm thinking that realistically the trap speeds are off a good bit and that I'm probably in the 112-113 mph range with a 1.9-2.0 sixty foot on the better run. I think that by putting on my m/t drag radials can get me about a .2 second better 60 foot and knock 4-5 tenths off to get me in the low 12s at the track (the local track here doesn't open until march).

I am going to swap on my self ported fast 78 intake and make a few more runs with the same tires to see what type of gains et/mph I get...I'll post the results here for all those who care.

I'm no stranger to the dragstrip (with other vehicles) so don't flame me thinking I'm just some gtech poser."

lsx24

iTrader: (45)

Congrats on the setup! Usually Gtech is not accurate in trap speed but it is consitant.

Benjamin Russick

iTrader: (1)

Keep us posted as I am really considering the FAST 78. Thx!

BlackScreaminMachine

iTrader: (17)

The G-tech Pro is more accurate then the original, the mph is like 2-3 off still but deadly close to ET est. My friend took his car to the track and gtec it at the same time. I was VERY suprised.

1fast01

iTrader: (4)

not to hijack but i am selling my Fast 78mm if u or anyone else is interested

orangeapeel

iTrader: (18)

I like my 78. port matched to everything.

RrCoX22

iTrader: (6)

how do you post results when there's no results to compare to

v8hunter

iTrader: (2)

Try reading the first post again...the first paragraph is the 1 run with the new et/mph (fast 78) and about 2-3 paragraphs down are the 2 ls6 runs to compare it to.

v8hunter

iTrader: (2)

I ran my old tt supra at the track with gtech about 6 or 7 years ago and it was less than a tenth off (I can't remember for sure but I think it was .03 or .07 off in et and about 4 mph high in trap speed). Its amazing how that little thing can be as accurate as it is...I'm just using it for for just a mod to mod comparison though.

RrCoX22

iTrader: (6)

my bad... early morning blurries

got confused from all the paragraphs
me =