LQ advice - Lateral-g Forums

gnx7 · #1 08-12-2013, 05:12 PM

Brian Tooley Racing (ex cylinder head guru for TEA (Total Engine Airflow) can custom grind you a cam for around $400. He knows what he is doing and doesn't do it as a part time gig like some of the others.

Dump those iron heads and shed some weight. If you can get e85 easily than get the compression up to around 10:1 for boost. If you don't plan to run boost.... 91 octane will support 11:1 to 11.5:1 safely and 93 octane can do 12:1. Compression is essentially free power.

5.3 heads are the smallest production chambers; however have smaller intake valves. New Manley oversize s/s valves are only about $120/set plus machine work.

If you don't care how it looks... and have the hood clearance... the truck intake recently went 8.30's@164mph on a stock 6.0 shortblock in a Nova with a turbo. He did this at 3,000ft DA, on his 2nd pass ever I believe, and has more left in the 60' time and also the turbo can be cranked up a bit too. At sea level with better 60' time dare I say it may go high 7's?

Your motor has LS1 style rods good to about 600rwhp before they bend. The newer style LS2 rods can handle around 900rwhp or so before they bend. LS9 gaskets and head studs with enuf fuel and a good tune.... and you are good to go!

http://ls1tech.com/forums/forced-ind...-75-mph-4.html

**WSSix** · #2 08-12-2013, 05:45 PM

Good catch on not milling the 317's as I mentioned, Jeff. I forgot he talked about boosting the engine when replying.

You can load a Fbody program onto that PCM. No need to physically change the PCM out for another one. You'll want to stay cable actuated on the throttle body though. Going over to drive by wire requires another module for the go pedal and just adds unnecessary complications I think.

PTAddict · #3 08-12-2013, 07:03 PM

Quote:

Originally Posted by WSSix

You can load a Fbody program onto that PCM. No need to physically change the PCM out for another one. You'll want to stay cable actuated on the throttle body though. Going over to drive by wire requires another module for the go pedal and just adds unnecessary complications I think.

If the trans is a 4l80e, you can't just load an F Body tune and have it work. You'd need to get a "segment swap" done to an F Body tune in order to control the 4l80. But, although I'm not familiar with the differences with truck ECU, I don't offhand see any particular reason why you'd be better off starting with an F Body tune than the stock truck tune ... both will need extensive tuning considering the modifications proposed.

IndyNova · #4 08-12-2013, 07:18 PM

It is a 4l80 trans, 99% of the driving will be street driving, and hopefully I'll be able to auto cross it, but gotta get the eng dialed in first though..lol

Ok, so it looks like I'm headed the ls9 head gasket, head studs, ls6 intake and 317 heads and custom built cam. Since I can use the ECM than came with the motor, what options do I have on my wiring harness? I know I have to have it re-worked, but I'd really like to keep as little wiring exposed as possible, and mount the ECM I side the car.

IndyNova · #5 08-14-2013, 11:04 AM

One thing I forgot about is the converter. I plan on doing a shift kit, but should I buy a converter also? And what stall would you guys recommend. I've actually been rethinking the turbo route at this point, not sure if that makes a difference or not