LS1 power. eeek

95stangGT · Dec 29, 2004

Someone on my local board just posted a dyno for his LS1. Here is what it dynoed and his mods.

In full street trim....Air filter....All belts....car made

343 rwhp
362 rwtq

1998 Formula A4 stock internals
The mods the car has

Pacesetter longtubes
3inch true duals with X pipe(Custom made by djnick)
Directflo lid
Paper airfilter
Jantzer ported throttle body
Underdrive pulley
Free mods: cut EGR tube, Removed bottom of airbox, Descreened MAF and a few other free mods I think help.

Those numbers were untuned...and thru and unlocked convertor....the AF ratio was ok I will be going back and tuning sometime soon I just needed baseline numbers.

Those pesky LS1s can put down some damn good numbers. Not to mention at the track he throws down a 150 wet shot into her.

94DreamGT · Dec 29, 2004

Yup...throw a cam in there too and watch it push 400rwhp.

Very nice engines the LS1's are...GM set the bar high. Gives us Mustang guys something to shoot for

Scott_95GT · Dec 29, 2004

There is no way to get that much power at the rear wheels with his mods listed.
Ls1's are very powerfull, and can put down some inpressive numbers. But there is no WAY he got 80 rwhp from his mods listed.
It says maybe a couple more "free" mods. He must be counting his ported heads, and ported manifold as free.

CManT1914 · Dec 29, 2004

Scott_95GT said:
There is no way to get that much power at the rear wheels with his mods listed.
Ls1's are very powerfull, and can put down some inpressive numbers. But there is no WAY he got 80 rwhp from his mods listed.
It says maybe a couple more "free" mods. He must be counting his ported heads, and ported manifold as free.

Except that LS1s are known to put down close to 300 at the wheels stock. By what you're saying they put down 260 stock? He didn't gain 80 rwhp, he gained maybe 50 tops.

MadHandle8169 · Dec 29, 2004

Yeah what he said!

Stock LS1's dyno at around 300RWHP and Long Tubes do wonders for that car. So those numbers are a little above average but not impossible to obtain.

lazer5.0 · Dec 29, 2004

Most LS1's dyno 290-305 rwhp stock. My neighbor in 2002 WS6 Trans Am dynoed 327 rwhp with just a lid and a SLP Loudmouth catback, but it was a 6 speed car.

87'GTstang · Dec 29, 2004

Well let's see, 5.0 or 4.6 by today's standards in the mustang, and the LS1 in the F-bodies are what sized-displacement engines? Try bumping the new 300 horse 4.6 up to that size and let's see if they compare then.

4Jenna · Dec 29, 2004

Same ole threads in here...

SuperDust22 · Dec 29, 2004

eades5.0 said:
Same ole threads in here...

S/CBlack95GT · Dec 29, 2004

The numbers for the LS1 look impressive, but you must remember they have a 350. So his car isnt even making 1rwhp per cube, which isn't all that great. Many guys here are making 1+rwhp per cube with their 302s.

Stanglover96 · Dec 29, 2004

When I removed my MAF screen, my car got all crazy and ran like crap, imagine if his is too.

Gt1995 · Dec 29, 2004

s/cblack 5GT figure in that many guys with 302s making 1+ hp a cube are modded to hell. oh btw were is tampa palms

S/CBlack95GT · Dec 29, 2004

Gt1995 said:
s/cblack 5GT figure in that many guys with 302s making 1+ hp a cube are modded to hell. oh btw were is tampa palms

Yes, but the LSIs already have really good cams, heads, and intakes. We have to swap all that out because they are so restrictive. My car was making .91rwhp per cube, N/A, and I still have the tiny .444" lift cam. A simple swap of the cam would have easily put mine at 1+rwhp per cube. You just have to love those extra cubes , that is where GM has the advantage.

Tampa Palms is in the north part of Hillsborough County. It is north of Temple Terrace and south of the I275 and I75 split. The Bruce B. Downs area.

1105 · Dec 29, 2004

I thought when they switched to the LS1 engine they made it a 346 Powerful cars no doubt, I just wouldnt want one for myself after driving my friends 02 Z28. Ride quality and handling sucked.

BlueOvalStangGT · Dec 30, 2004

1105 said:
I thought when they switched to the LS1 engine they made it a 346 Powerful cars no doubt, I just wouldnt want one for myself after driving my friends 02 Z28. Ride quality and handling sucked.

You get a cookie(346) They are fast as hell but im with Zach. Handle like a minivan(not quite) and uncomfortable too. I hate how theres that bump in the floor on the passenger side and how you cant see the hood because of the 44 foot dash they have.

BlueOvalStangGT · Dec 30, 2004

89 blue lx · Dec 30, 2004

BlueOvalStangGT said:
You get a cookie(346) They are fast as hell but im with Zach. Handle like a minivan(not quite) and uncomfortable too. I hate how theres that bump in the floor on the passenger side and how you cant see the hood because of the 44 foot dash they have.

ditto

WhiteDevil · Dec 30, 2004

LS1 power seems to very sooo much. They must have a lot of difference in the building of their engines. Cause some are just animals, and a lot of others are kinda dogs. Its wierd.

WhiteDevil · Dec 30, 2004

S/CBlack95GT said:
Yes, but the LSIs already have really good cams, heads, and intakes. We have to swap all that out because they are so restrictive.

Exactly!!! There is NOTHING special about LS1s. Take 346ci add some good flowing heads, and great intake manifold, and a decent cam and hello power. I wonder how long it took the champs at chevy to figure that out.

BlackVert · Dec 30, 2004

it is not very hard to push those kind of numbers with a 331.

but it would be nice if we didn't have to do so much to our engines to get that kind of power ...

LS1 power. eeek

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