How much will a lid and a cut out boost my hp ?

Printable View

Show 100 post(s) from this thread on one page

10-23-2007, 08:38 PM
Speedy_Gonzales

How much will a lid and a cut out boost my hp ?

Would 25 hp be about right ?
10-23-2007, 08:56 PM
basballny2

10-12 rwhp
10-24-2007, 07:19 AM
Z28LS1

I'd say the lid will give you about 6 hp, and the cutout will give u about 8 or so over the stock muffler.. so to be safe, id say roughly around 15.. i was in this dilemma once, but i ended up getting headers with the cutout... i saved money since i knew i was going to get the headers anyway.. thats what id suggest
10-24-2007, 07:40 AM
Blue_98_ws6

what would it be If you have lt headers then an ory and the lid and smooth bellows
10-24-2007, 09:50 AM
Y2KPewterSS

15 RWHP range Randy :yup:
10-24-2007, 12:34 PM
Speedy_Gonzales

Quote:

Originally Posted by Y2KPewterSS

15 RWHP range Randy :yup:

how bout at the motor ? I am ole school, I like the bigger number makes ME feel better:haha:..............and what would be a good guesstimate at the flywheel total including what GM rated the 01-02 SS cars ?
10-24-2007, 01:11 PM
basballny2

GM rated them at 325 at the crank .... so MAYBE being generous 345 at the crank after....id go more with 340 though
10-24-2007, 01:17 PM
Speedy_Gonzales

Quote:

Originally Posted by basballny2

GM rated them at 325 at the crank .... so MAYBE being generous 345 at the crank after....id go more with 340 though

but GM underated them around 30 hp
10-24-2007, 01:20 PM
99blueZ

its about 345 flywheel stock for an '01 so i would say 360 flywheel hp after lid/cutout.
10-24-2007, 01:21 PM
basballny2

put it on the dyno
10-24-2007, 01:23 PM
Danger731

See Sig
10-24-2007, 01:24 PM
Speedy_Gonzales

Quote:

Originally Posted by basballny2

put it on the dyno

would rather put the $$$ towards a pro tune
10-24-2007, 01:57 PM
Kamauxx

Screw the dyno, put it on the track before and after the mods.
10-24-2007, 02:52 PM
basballny2

Quote:

Originally Posted by Kamauxx

Screw the dyno, put it on the track before and after the mods.

he wants to find out his hp....no better way than to dyno it
10-24-2007, 02:55 PM
Speedy_Gonzales

Quote:

Originally Posted by basballny2

he wants to find out his hp....no better way than to dyno it

true
10-24-2007, 04:39 PM
Y2KPewterSS

Dyno #s equate to bragging rights, they don't equate to how fast a car really is.

Track times equate to how fast a car really is.

You can have 500 HP at the motor and still run 13s.
10-24-2007, 04:42 PM
Y2KPewterSS

Quote:

Originally Posted by SpeedAddict38

how bout at the motor ? I am ole school, I like the bigger number makes ME feel better:haha:..............and what would be a good guesstimate at the flywheel total including what GM rated the 01-02 SS cars ?

I would say it would add 20 HP at the motor, but thats just a guess. I would tell people 350 HP from the motor and leave it at that. Might be more, might be less, but thats a safe round # to use and should be in the ballpark.
10-24-2007, 06:19 PM
basballny2

Quote:

Originally Posted by Y2KPewterSS

Dyno #s equate to bragging rights, they don't equate to how fast a car really is.

Track times equate to how fast a car really is.

You can have 500 HP at the motor and still run 13s.

i was just telling him to dyno it because he was wondering about HP numbers....ur 100% right though hp means shit at the track....but if he wants to get the most accurate way to get his hp he has to dyno it....we can guess all we want....not everything equates to wut it says it will
10-25-2007, 09:44 AM
Mr. Luos

Quote:

Originally Posted by Y2KPewterSS

You can have 500 HP at the motor and still run 13s.

Very true.
I went 13.1 at 82MPH.
10-25-2007, 02:26 PM
Jays00ss

Quote:

Originally Posted by Mr. Luos

Very true.
I went 13.1 at 82MPH.

LOL!!! good one

Show 100 post(s) from this thread on one page