WADDISME

iTrader: (4)

Numbers are finally in after 1200 mi break in. Motor is an AL 402 from TSP with their MS3 cam, Patriot heads, ported FAST intake w/LS2 tb, Halltech cai, FLP longtubes and Bassani catback. Here is the sheet:

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Numbers came out a little lower than tuner and builder expected. Tune is ultr conservative with like 24* timing, but I took it to VIR last Monday for 3 hours of track time. It is hard to believe it is 90rwhp less than sc motor I had. Car pulls strong and is a blast to drive. No one was outrunning me down the backstretch.

SlwSVT

What compression are you running? Nice torque curve, but does seem a little low for that many cubes. I would of figured you would have broke the 500rwhp barrier. I just made 480rwhp and 430ftlbs in my LS2 C6. We added ported 243 heads, cam, ported FAST and supporting mods. We bumped the compression quite a bit up and the car responded nice.

venom ws7

iTrader: (13)

I love TQ Curve 400+tq at 3500rpm
You have a lot left on the table better headers/exahust/heads/

WADDISME

iTrader: (4)

Compression is 11.2. Everyone was guessing around 500.

I love TQ Curve 400+tq at 3500rpm
You have a lot left on the table better headers/exahust/heads/

Works really well at the track coming out of the slow turns!

Jrp1978

iTrader: (10)

Why didnt you go with ms4 ????

blu1

Those heads and that cam choice are holding you back a lot! If your happy with it thats all that matters though. The car should be faster than the previous SC'ed setup especially on the road course.

O6DODGE

iTrader: (6)

Yea they are predicting for my 402 to make around 550-560 on motor. My set up is 11.75-1 compression. L92 ported heads, 242/236 around .630 lift cam, 1 7/8th kooks B&B prt, and the new fiber tuned sheetmetal intake by Nitrous Outlet.

QAG98SS

I have a 408 with ported l92 heads, stock l76 intake, and a MS3 cam. My car dynoed 503/470 on a dynojet. My camaro has a M6.

WADDISME

iTrader: (4)

Car is definitely faster on the road course and will take a little more track time to adjust.

All of a sudden I am not feeling good about my Patriot heads. Seems like they stacked up pretty good on the flow sheet when I was researching them. I went with the MS3 because I dd mine and the MS3 seemed like a better choice. Is there such a thing as builders remorse?

JJD49

The reason I thought your numbers were kind of low is due to the fact that my stock cubed LS2 makes the same torque as you but slightly less HP Corrected on a Mustang Dyno .

knappbunch

I also am building a 402 lq9 block fast 92/92, hooker 1 7/8 longtubes, ory 3" with 3" hooker aero chamber has big cam not exactly sure on specs yet, harland sharpe rockers 1.7, ls7 lifters and 11.5.1 compresion tfs cnc235 heads, have 3.73 gears and around 3600 stall in a stage 3 4l60e from art carr, slp lid, cutouts, hoping to be over 510 at the wheels.

knappbunch

Are you guys running maf's on your cars or speed density and if it is a maf what size?

WADDISME

iTrader: (4)

Mine is the stock LS6 MAF. Here is quick vid at VIR:

JJD49

I am using the stocker

2001 Pewter WS6

iTrader: (43)

I just did a '99 C5 for a friend of mine. The combo consisted of a stock bottom end, Fast 90 intake, LS2 Throttle body, G5X4 cam, ETP 225 Heads, LG Prolong tubes, Titanium catback and and underdrive puley. It made 472rwhp/440rwtq. I have yet to see great results from Patriot heads. Most of them are in the 470-480 rwhp range on a 402/408. I'd recommend the TFS 225's or 235's for your setup. You will be suprised how much HP you will pick up.

knappbunch

do you think it would make a difference to go to a 85mm granatelli I believe mine is an ls6 unit. Went to see the car this morning should be running by monday afternoon all the exhaust is done and everything is in the car can't wait i got goose pumps just checking it out can't wait to drive it.

edcmat-l1

iTrader: (10)

That's bro. It's been covered on here over and over and over. Load bearing dynos are great tuning tools, but require "calibrating" which can lead to operator error or worse, manipulation. There is no given percentage that the DJs are higher, or lower, or whatever.
Sorry OP for the . I see ***** got ya hooked up!!

JJD49

I really can't give you a honest answer on that question. I am not sure about it.

WKMCD

iTrader: (2)

There are a lot of Granatelli MAF's sitting on garage floors. There's a reason. I made the numbers below with a small BRE Timberlake cam and an LS6 MAF.