squirlNUTZ

PCM's for less? Serious?
I drove my lq4 with simi stock PCM and a 3600 stall no lights before (upgrade) and then had it "tuned" not "flashed" like in the 80's...WTF?

Steve83ta

The Setup I had was very common among Vette owners. The guys over there had done tons of dyno sessions with my exact same set up. The Flash was perfect. It was a flash, not a tune. And by the way Chips were there 80's

Oh this is completly

adamantium

iTrader: (3)

Parasitic loss varies depending on what drivetrain you have. Thats what KCS was getting at.

Steve83ta

"Originally Posted by Brian Tooley

I'll give up low end torque for top end power most every day of the week... "

Im hoping to hear from him in a day or 2 before I decide what I'm going to do. He seems to be the guy to talk to to get the most out of these engines safely.

ryridesmotox

At least for my car, I get pretty bad wheel hop u dear wot through first and second. My build is gonna start with the rear end and work its way forward. As far as I have researched, all the traction kits and anti hop axles and stuff have minimal effect on wheel hop. I'm probably going to go the 8.8 rear end route. Its cheaper and pretty good up to more power than I will ever have... Its just something to think about really, for reliability's sake. And a ford rear will allow ratio swaps in an hour. So you can drive to the track and swap the gears to some 4.11 or higher and really carve a 60 time to be proud of.

Steve83ta

It looks like from your sig you have a CTS-V. I've got a 98 fbody. So I don't really have that problem. What I do have is a weak rear but I'm going to run it till it breaks. It's been good to me so far. And when and If it does I've had good luck with Strange gear sets so I'm not worried. Plus ill be doing the work myself

RoadkillTransAm

iTrader: (4)

my ls6 setup is around 430 to the wheel with stock 243 heads

should be a little over 500 to the wheels when my heads, intake manifold, custom grind cam, and scorpion throttle body are done and in place.

my ls6: pretty much got a decent sized cam (mine is 237/243), and all the bolts ons (pully, headers, cai), and exhaust... and that's how i got to 434rwhp A lot will depend on your tuner as well...

Steve83ta

Who's cam was that? how is the street ability? And have you run it down at the track? If you have what where the et's and mph's when you crossed the traps.

Do you have a site where I could go look at the cam spec's. I have a t56 upgraded to viper spec so I can handle the power there. Plus an LS6 Driveline. Right now Im in major reseach phase becuase this car is also my daily diver so I need to strike a balance.

When I pull the trigger I will prob get this car tune on the dyno instead of a mail away like a did before.. I had a pretty easy engine to set up the first time around.

RoadkillTransAm

iTrader: (4)

got it from chuck's lsx tuning in houston. cam he uses most on ls1.

and nope i totalled my ws6 before i had a chance to take it to the track...
street driveability was good! no probs at all. it was my daily car too lol

pm me i can send you his # idk if i'm allowed to post that info on here. he carries cam kits like that in stock so you can order and he ships to your door.

Trl_ws6

iTrader: (9)

I'm not trying to read all this but my forged/stroked ls6 with tsp stg 2.5 799's made over 500 hp/tq to the wheels with 4l60/10 bolt.

ryridesmotox

I kinda gathered that you were running a CTS-V from the first quoted post there on the first page... I'm guessing now that you scooped the LS6 from a V. if you arent talking about outting it in a V then disregard my post about the rear end. I gave that info thinkjng you were modding a V.

Steve83ta

Yeah I had a feeling that might happen. I have a 1998 Trans AM, with an LS6 CRATE engine new from GM in it, with long tubes and all that jazz. Bottom line when I bought the car I new it had the pistion slap issue so I beat them down 4g's on the price. I got the car for about 12,000 in 07 with 50,000 miles on it. The interior and exterior was perfect.
After about a month the pistion slap got worse and I parked it. Yeah modding the much lighter TA but my goals are sitll the same. to get close to as close as 500 at the crank as I can while still having good street manners. My LS6 Rocks and had great manners but Im looking a little more. Im not sure the .030 exta in lift is going to do with the TSP 228R I have to look and see how much longer it holds the valve open.

Me and a number of forum member found the LS6 part number under the Caddy number. It was the exact same from the head, to cam to the sodium filled exhaust valves and hollow intakes. All stamping marks matched up. and here is the kicker. The Caddy number was 3,000 bucks. Thats $3,000 less then what they wanted for the same engine on the Chevy Corvette side. They wanted like $6500.

So I pulled the trigger and bought the 05 CTS-V Engine and never looked back. I did have to pull some of my old sensors off my 98 but that was no big deal. It went in like a glove. and has ran awsome since I dropped it in in '07 but I feel i ned to step it up in power again since all the new cars are creeping up on me again.. I used to be able to blow everyones doors off. Not so much anymore with most offering at least 400 at the crank.

Side note. I'm leaning to the TSP 228R cam with 112 or 114 durration.

Per their site that have discount codes? Where would I find this codes? Does anyone know?

Steve83ta

I know what you mean. But Everyone has been really helpful and giving good advise on where to go. Its hard for me to keep up.

Thanks

Steve

R6cowboy

iTrader: (3)

Am I the only one who caught this and is scratching their head? lol.
Not only will good cnc ported ls6 heads flow 300-320 cfm (big leap over stock), ported heads and a cam will gain you a lot over the stock ls6 cam and heads. Much more then 40 hp.

As for my '00 c5, it has right around 500-515 crank hp. Stock ls1 shortblock (except for ls6 valley cover/pcv), cnc ported 5.3L heads, custom 227/230 duration cam, stock ls6 intake manifold, stock tb, ls2 maf, 1.75" long tube headers.

KCS

iTrader: (20)

Yes, as a percentage, not a set value (ie 50hp). For example, a T56 robs a lower percentage of power than a TH400.

Steve83ta

The is a couple of reasons I don't want to cnc port the head. Plus you had the the truck heads right? Im not sure I want to spend the exta 700 dollars to port them just go gain another 20-30 hp. Head Flow isn't eveything, you can also do some damange to them while running them through the cnc by making them too smooth affecting the attomization or the air mixture. The Ls6 has a nature swirl in them to help atomize fuel. You make the ports to smooth and you take that way. i have a lot of machine backed training.

Its also a crap shot when dealing with differnet heads. Some heads love it and some not sure much. And a couple of other reasons I'm not going to it be doing that at this time. Im trying keep this upgrade to under 900 dollars. Thats why Im mainly looking at the best spring/cam combination for this setup.

The Head will get upgraded. Ill be upgrading to some AFR is in about a year and I don't see spending a could of hundered in gaskets and bolts twice worth it.

Plus there seems to be a lot of guys with a lot of success with the Stock LS6 heads.

The first thing I need to do is get a base line of where my car is at right now at the RW. I've never put it on the dyno. Thre was no need, my tune was perfect. But now I want to see what kind of improvement I can make with the 228R still haven't decided on the 112 or 114 lsa and there is one other cam by brian Im leaning very far towards.

But thank you for your concern. If money grew on trees I would be doing it, Everything on this car is paid off so its time to put some money back into it.

Steve83ta

This is very ture, but not as bad as the the old days becuase your torque and the twine blade design makes up up for this quite i bit.

R6cowboy

iTrader: (3)

Well the fact that you're planning on getting AFR heads in the near future changes my train of thought. I wouldn't spend a dime on them ls6 heads. But now you might want to get a cam that will compliment and better suit your near future heads instead of your current heads. Just a thought.

Steve83ta

Yeah thats why I was talking to brian tooly this morning, he has gotten 460 rhp of of his LS6 with just a cam and springs. Its a monster cam so Im trying to find some people other then him that have vid's of it.

Steve

ryridesmotox

I'm definitely gonna have my LS6 heads ported. LS6 heads flow really well. AFR heads are like $2600. For the best port job AI offers and a few options like bronze guides and such its less than half the money. I am not entirely sure its worth the extra 1200 bux for AFR heads. But damn, they are some amazing heads. If I had more money I would totally get them, but I'm trying to stretch my dollar a bit. I second what R6cowboy said... Get the cam speced for the future AFR heads. That way you don't have to spend money twice on a cam.