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new headers, cam, heads.., exhaust clips

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Old Jun 25, 2006 | 06:54 PM
  #1  
Brisk's Avatar
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
new headers, cam, heads.., exhaust clips

[posted on the exhaust forum as mentioned by another member]

here is a couple quick videos of my car at idle with the new cam, heads, and roller rockers... sounds pretty mean for a 305 with the lumpy idle. Also bolted on a set of headers, wow.. man is it loud now!

exhaust is hooker 2460-1 ceramic headers, custom y pipe straight to a flowmaster 17233 catback, no AIR tubes or cat.

so any tips for making it quieter yet non-restrictive? It sounds great, just too loud for the street.

Please right click and save as from the links below. Excuse the poor video quality, I'll re-rip with higher quality and repost it using google video. See my signature for my old burnout video.

Video One

Video Two


enjoy!
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Old Jun 25, 2006 | 07:55 PM
  #2  
skidude's Avatar
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From: North Carolina
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7 TPI, L98
Transmission: 700R4
Axle/Gears: 3.42:1
NICE

Man that thing sounds sweet
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Old Jun 28, 2006 | 02:39 PM
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bro that sounds awsome...........is that really a 305?
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Old Jun 28, 2006 | 08:13 PM
  #4  
Brisk's Avatar
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
it is true, that is really a 305
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Old Jun 29, 2006 | 05:49 PM
  #5  
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yo brisk are u runng the stock tpi set up? wat size valves are in those heads?
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Old Jun 29, 2006 | 05:59 PM
  #6  
TPI's Avatar
TPI
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From: Norwich, CT
Car: '89 Trans AM/'88 GTA
Engine: (2) Tuned Port L98's
Originally Posted by gmtekk
bro that sounds awsome...........is that really a 305?



Nice man, That thing sounds like my cammed L98 !!!
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Old Jun 29, 2006 | 10:42 PM
  #7  
Brisk's Avatar
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
stock tpi ontop.. I'm saving up for modifying the intake/runners/plenum now.

the corvette l98 heads should be the same as any steel l98 heads, 54cc I believe.
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Old Jun 29, 2006 | 10:47 PM
  #8  
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
Originally Posted by gmtekk
bro that sounds awsome...........is that really a 305?

don't you love the double takes Brisk? i get that same question all the time!!!

oh, and the combustion chamber size on the 113heads is 58cc...
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Old Jul 13, 2006 | 08:42 PM
  #9  
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Car: 87Z
Engine: top secret
Transmission: top secret
I am stroking my new 2460s and cam now. Any tips on the y pipe? Should I just order their y and hack on it or make one myself? I've got awhile 'til the 383 is ready to install.
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Old Jul 14, 2006 | 04:18 AM
  #10  
Brisk's Avatar
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
I just had my muffler guy make me a Y pipe.. got him to tuck it really good since my car is lowered
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