Need recommendations on milling and Head gasket
Thread Starter
Staging Lane
iTrader: (1)
Joined: Oct 2004
Posts: 59
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From: Palm Beach Gardens, FL
Need recommendations on milling and Head gasket Mill or not and how much?
Which head gasket to buy?
2003 Z06
346 stock Bottom end 11,000 miles
Dart 225 from Summit 62cc chambers
232/236 .576/.581 114 xer lobes
Vararam
Stock LS6 intake/Ported TB
Longtube headers and straight pipes
Car used on roadcourse events every 4-6 weeks 4000-6800 rpm.
Thanks guys for your recommendations and reasoning. I just have no idea what the hell DCR or quench is, or rationale for dropping chamber size and using a thicker head gasket.
Which head gasket to buy?
2003 Z06
346 stock Bottom end 11,000 miles
Dart 225 from Summit 62cc chambers
232/236 .576/.581 114 xer lobes
Vararam
Stock LS6 intake/Ported TB
Longtube headers and straight pipes
Car used on roadcourse events every 4-6 weeks 4000-6800 rpm.
Thanks guys for your recommendations and reasoning. I just have no idea what the hell DCR or quench is, or rationale for dropping chamber size and using a thicker head gasket.
Thread Starter
Staging Lane
iTrader: (1)
Joined: Oct 2004
Posts: 59
Likes: 0
From: Palm Beach Gardens, FL
Would prefer not to flycut but will depending on the gain expected. The lift numbers I listed are incorrect but not as you said. The cam card says 232/236 .574 .578 lsa 114. The tuner whose uses this custom grind Comp cam told me yesterday that he thought it was with xe-r lobes. Maybe not. I wanted something medium sized that did not stress the valvetrain too much but gave good mid and high rpm torque and hp. With the setup above and stock LS6 heads I got 392 rwhp and 374 rwtq.
Maybe a cam swap is in order to bring those numbers up too. Any suggestions there?
Maybe a cam swap is in order to bring those numbers up too. Any suggestions there?
Run the thin .040" gasket but don't mill. The P to V will be tight but it should fit. The 114LSA will give you a little bit more breathing room.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.