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10-23-2007, 08:38 PM #1
How much will a lid and a cut out boost my hp ?
Would 25 hp be about right ?
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10-23-2007, 08:56 PM #2
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10-24-2007, 07:19 AM #3
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
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10-24-2007, 07:40 AM #4
what would it be If you have lt headers then an ory and the lid and smooth bellows
Built A4 with B&M Transpak shift kit, Hooker Lt's, 0RY, 4in cutout, Debaffled, K&N, SLP Lid, Bellows, p+p+descreened MAF,TB bypass, 180 degree Theromostat, AC removed, RP Trans fluid, oil, MSD 8.5 wires, Autolite Xtreme perf plugs, Nitto DR
Coming soon SFC, 373 gears, 96mm intake/96mm TB, Tune
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10-24-2007, 09:50 AM #5
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10-24-2007, 12:34 PM #6
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10-24-2007, 01:11 PM #7
GM rated them at 325 at the crank .... so MAYBE being generous 345 at the crank after....id go more with 340 though
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10-24-2007, 01:17 PM #8
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10-24-2007, 01:20 PM #9
- Join Date
- Mar 2006
- Location
- LS1 land
- Age
- 36
- Posts
- 1,666
its about 345 flywheel stock for an '01 so i would say 360 flywheel hp after lid/cutout.
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10-24-2007, 01:21 PM #10
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10-24-2007, 01:23 PM #11
See Sig
04 C5 A4 Torch Red - sold
2009 CTS4 Ice Black - sold
2013 1500 Silverado Z71 - sold
02 Z/28 M6 Onyx Black All Options - Sold
2014 Caddy CTS4 - DD
2016 Silverado 2500HD
2020 Caddy XT6
2020 2SS Vert
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10-24-2007, 01:24 PM #12
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10-24-2007, 01:57 PM #13
- Join Date
- May 2007
- Location
- Kansas City, MO
- Age
- 42
- Posts
- 382
Blazen Orange Metallic- 2006 GTO
Screw the dyno, put it on the track before and after the mods.
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10-24-2007, 02:52 PM #14
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10-24-2007, 02:55 PM #15
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10-24-2007, 04:39 PM #16
- Join Date
- Nov 2006
- Location
- Broken Arrow, OK
- Age
- 49
- Posts
- 23,345
Pewter metallic- 2000 Camaro SS
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.
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10-24-2007, 04:42 PM #17
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10-24-2007, 06:19 PM #18
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
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10-25-2007, 09:44 AM #19
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10-25-2007, 02:26 PM #20
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