1slowls1

iTrader: (1)

As of now my car makes SAE 423hp and 377tq,

Im thinking of switching over to a fast 90/90, slp 85mm maf, try to find an 85mm lid, connecting the lid to maf will be fernco, and maf to intake manifold fernco. And I wanna ditch the qtp y-pipe just go true duals, im hoping to reach 450hp and 400tq. I was thinking about a EWP but I dont want to keep replacing it every 1,000 hrs or whatever the lifespan is.

Now should I disconnect my a/c I dont use it and since the h/c install I havnt recharged it, besides I like to cruise around with the t-tops off on hot days.

Louie83

iTrader: (3)

90/90 and speed density would probably get you there.

Z28Venom

iTrader: (13)

You'll be right on the door step..

RrCoX22

iTrader: (6)

you will be damn close if not there....

the 90/90 will give you some nice hp and true duals some good tq

Cop Car

iTrader: (14)

go to a G5x4, you would be there for sure

true duals will help you out, IMO id go sheetmetal over FAST...

300bhp/ton

First off don't listen to Cop Car, there adivce is both worng and incorrect.

Second, dyno's don't really mean much, even when corrected to SAE. If you want comparable results then you MUST go back to the same dyno. And make sure the results are corrected to SAE again. This means temp, humidity won't have any affect on the numbers.

Sadly dyno's vary, and even doing 5 consecutive pulls on the same dyno can result in 15rwhp+- difference. So only aim at an imporvement as opposed to a set rwhp figure.

Now for the mods, yes a FAST 90/90 should help especially in the higher rpms. What are you spinning the motor too? You should see 15-25rwhp increase from a FAST 90/90 over a Ls6 on this type of setup.

Duals are not guaranteed to give HP. Anyone who claims they always outperform Y pipes simply has no idea fluid dynamics and exhaust setups. BOTH can acheive very good results. What catback are you running? The QTP Y merge is superb and is not likely to be a restriction. A well designed set of duals are worthwhile, but a half way measure may actually cost you HP. Read the sticky (induction/exhaust), read posts 6 and 13 onwards. There's some really good info from David Vizard concerning exhaust design and it should help you out.

The SLP MAF will need to be tuned correctly but in reality I doubt it'll make much more than 3rwhp difference if that. The stocker is good for over 500bhp. And I bet your current numbers are from a Dynojet Dyno, these read comparitively high, a Mustang Dyno would be ~395rwhp this means the stock MAF is more than upto the job. Same probably goes for the lid. Aslo while Fernco is cheap it isn't very flexiable, an alternative is to buy some silicon hose to the diameter required (this is all a SLP smooth bellows is). It actually isn't much more expensive than Fernco but won't allow as much heat contamination and is more flexiable.

An electric waterpump is not a bad idea, and is probably worth about 20rwhp or so. Reliability is meant to be pretty good also. The estimated life expectancy is something pretty colossul, I think in the region of 150k miles or soomething. the downside is they operate at the same speed as a mechanical pump does at 4500rpm, this is fine for normal street use and 1/4 mile action. However if you do lots of high speed work on race on a circuit its bad. This is becuase your engine will be above 4500rpm for more of the time and water circulation will be only equiverlent to 4500rpm. This can lead to over heating. BUT ONLY under those circumstances. So it depends what you use the car for.

Lastly, The gain in torque will not always be the same amount as HP. In fact in stock trim the LS1 has more torque than HP. You have already reversed this, so the torque is effectively dropping off.

This is because:

HP = torque x rpm / 5252

If you alter where the motor makes PEAK torque you also alter where the torque curve is along the rpm band.

Exmaple:

Say PEAK torque is at 4500rpm and is 375lb ft. The equation tells us:

375 x 4500 / 5252 = 321bhp @ 4500rpm

Yet the motor makes PEAK HP at 5000rpm of 347bhp but it's actually making less torque, 365lb ft.

So to increase HP you can either:
a) make the same torque at higher rpms
b) make more torque at the same rpms
c) both

It's usually harder to acheive both, and most HP gains come from moving where torque is in the rpm band. Hence why diesels prodcuing over 500lb ft often stuggle to make 300bhp.

So chances are if you gain 30rwhp, you won't gain 30rwtq. The only way to over come this is by larger capcity engine. Either physical such as a 402ci motor or effective displacment such as a supercharger or turbocharger.

gman

iTrader: (38)

I have had an electric water pump now for about three years and have had absolutly no problems with it. There is no way he is going to gain 20 rwhp from it, more like 3 to 5 rwhp. He will bennefit more with the ewp at the track being able to cool down quicker in between runs.

RoastEmSS

#s in sig with torquer 2, prc ls6 heads, FAST 90/90

300bhp/ton

Interesting. I've heard different reports from different people. Although I would say this is the lowest HP claim I've seen so far. Guess it would be quite nice to see some back to back dyno runs.

Cop Car

iTrader: (14)

actualy im right. also, if i wanted to hear an englishmans rants id go to the gay bar.

300bhp/ton

racial rejudice can't get you a ban you know.

NHRAMAN

iTrader: (1)

'rejudice' ????? [can't ??] English please.

lilbuddy1587

iTrader: (1)

SiL3NtXWS6

iTrader: (17)

7whp at most with an EWP.

3-5 sounds reasonable.

1slowls1

iTrader: (1)

yeah I dont know about 20hp maybe 20hp to the engine = 3-6rwhp that might sound right... And I thought the lifespan of an EWP was around like 3000hrs

RrCoX22

iTrader: (6)

there's no way 15~20rwhp from a water pump
and i don't know about 15~25rwhp with 90/90 for his setup...
maybe 10rwhp~15rwhp at most

Cop Car

iTrader: (14)

'English' isn't a race . I myself am an Anglo-Saxon (in case you didn't know that means my ancestory originates from England)


Is this like Clayton Bigsby on Chappelle's show? Only thing is that I'm not blind, haha this is so funny