SoonerBrad88

iTrader: (15)

Hey everyone, here in the near future I'm planning on installing my cam once I acquire heads and supporting mods. I'm gonna run a Torquer V3, a set of P&P 243 heads and obviously all the parts to run these parts. I've got 1 7/8" LT already and 3" exhaust. I'm wondering if my stock TB and LS6 intake will move enough air to get me to 450 rwhp? If not my next investment will be a 102 Fast intake/tb.

AmarilloWS6

iTrader: (3)

With your setup it sounds like you could definitely gain from going to a PORTED 92 or 102. By how much? Idk, every car varies with these intake.

1BAD98LS1

iTrader: (33)

Should make 450whp with what you have, everything will have to be dialed in though...ie tune etc.

SoonerBrad88

iTrader: (15)

What about a porting an ls6 intake? And I'm working on getting my car running like a top before I do all of this so it'll be a max potential

Midnight02

iTrader: (8)

For the sake of comparison (and I realize there's some variance with dyno numbers), however my setup put down 440/408 with PRC heads, 228/232 cam, ported FAST 92 and full bolt ons. M6 car on a dynojet.

I wouldn't expect you to see 450 rhwp with that combination (however it wouldn't be the first time I was surprised with these cars).

1BAD98LS1

iTrader: (33)

Depends on how good the "P&P 243 heads" are, and how good the tune is to go with it, very possible just can't leave anything on the table.

SoonerBrad88

iTrader: (15)

Well I'm probably just gonna get as close as i can to 450 with that. I'd be happy with 435ish. And Im going to keep the heads as cheap as i can. So that may hold me back a little. Is the work/cost worth trying to port an ls6 intake?

MikeWS6

There are very very little gains to be had porting an ls6 intake. I know on the dynos around here 450rwhp would be a tall order for a h/c car with an ls6 intake.

SoonerBrad88

iTrader: (15)

From what I've been reading once I hit 450-500 that's about all these motors will make stock displacement w/o spray or boost. So once I get a new intake on there my considerable hp gains will be done.

garygnu

you can make 450+ rwhp with a stock ls1 short block ,good heads ,fast intake ,and a good custom cam.

Mazzenger

iTrader: (5)

I have seen cars make 420 rwhp with a big cam, stock 243s, Longtubes, Lid, No Cats and an LS6 intake. I think there is a decent chance of hitting your goal.

SoonerBrad88

iTrader: (15)

What would you consider good heads on the cheaper end?

MasterV8

iTrader: (7)

Someone on here made 452rwhp with an Si5 cam, PRC 2.5 5.3 heads & a fast90.
https://ls1tech.com/forums/dynamomet...st90-90-a.html

EricYJ-TA

iTrader: (10)

Probably be better off with a FAST looking for those power numbers. Is it possible yes, probable maybe.

MikeWS6

Ya there was also someone who hit 470rwhp with prc 5.3's and a 230/228 cam and a ls6 intake. Happy dynos maybe?

SoonerBrad88

iTrader: (15)

I would say very happy dynos! Not discrediting anyone's car but I'm sure they could go to the next dyno and only make 420 or 430. The more I read on here the more I'm leaning towards just getting a Fast and not even mess with the LS6. Looks like a lot of people run a ported fast 90 over the 102.

Blackpanther99

iTrader: (8)

Porting th ls6 intake will be enough IMO

garygnu

TSP prc ported 5.3 heads should work .get them with the cam you want for a better deal.a BBK intake mite work .

LilJayV10

iTrader: (39)

You can get 450-460rwhp from a stock headed stock intake LS6. Brian Tooley does it with no problem. If I had to do it all over again that's the route I would have went with.

BrntWS6

iTrader: (7)

I've got that same setup and keeping the LS6 intake will cost you about 20rwhp. So it's going to really depend on the dyno.