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Head questions
I did a quick search on here but couldn't come up with anything quickly. Just got a set of 243 heads off a 5.3L. Are they worth trying to put on my 09 g8 or is it a waste of time. Also is there anything else that would need to be changed? Thanks in advance
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No, those are cathedral port heads. Flow less than what you have plus you would need to change the intake manifold too.
Rotohack 102 intake - 102 MAF - TPIS 102 TB - TVS1900 ported & plated w 8 rib 2.5" front + OD rear
PnP Interchiller - RCR ported heads - RCR Lunati 219/231 113+1 - Forged Bottom End
ARH 2" LT headers - Solo 3" CB - MT DRs + M&H FRs on Weld RT-S
CTS-V fuel w Vaporworx - FAST 85s - Alkycontrol meth M15 + M10 - RCR tune
9.75@139.2 ? rwhp ? rwtq
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OK I figured I'd have ti change the intake but I won't sure if the flowed better or not
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Moderator, Retired
You can find a set of LS3 heads with exhaust work done for a reasonable price. Landspeed development may have a set on the shelf.
Rest in Peace Charlie!
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Just a GT
Originally Posted by
RichsGreyGT
this site is hardcore modding central.
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Beyond Help
I would make a comment but I wont,
2009 Panther Black Metallic "
The Black Rat"
Current Modifications: Front end, Roof Pillars & Front top of roof has Clear Shield, Holden V8 6.0 Badges, Holden V Trunk Badge from Crazy Paul, UPR Catch Can, Corsa Exhaust & Roto Fab CAI. Spare Tire and Jack and Tinted Window's, hood scoops gutted, Poor Mans Heater Hose modification (holding up the hoses with zip ties), Painted the front dart to Panther Black.
Patrick Guerra's Tune July 12, 2010: 345 HP, 355 Torque on 87 Octane
Patrick's & Kurt's install of Kooks Long tubes 1 7/8" w/Corsa Connection Pipes
11-3-10: 362 rwhp, 372 Torque and updated engine and transmission tune.
New Engine as of 10- 5, 2011. Patrick & Kurt's tune and dyno 10-19 2011:363 rwhp, 365 Torque 93 octane.
Sounds so
GRRRR8 BECAUSE RACE CAR
7-1-14 Brembo Front Brake upgrade & Bohnam Front Splitter installed
Curt here
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Beyond Help
2009 Panther Black Metallic "
The Black Rat"
Current Modifications: Front end, Roof Pillars & Front top of roof has Clear Shield, Holden V8 6.0 Badges, Holden V Trunk Badge from Crazy Paul, UPR Catch Can, Corsa Exhaust & Roto Fab CAI. Spare Tire and Jack and Tinted Window's, hood scoops gutted, Poor Mans Heater Hose modification (holding up the hoses with zip ties), Painted the front dart to Panther Black.
Patrick Guerra's Tune July 12, 2010: 345 HP, 355 Torque on 87 Octane
Patrick's & Kurt's install of Kooks Long tubes 1 7/8" w/Corsa Connection Pipes
11-3-10: 362 rwhp, 372 Torque and updated engine and transmission tune.
New Engine as of 10- 5, 2011. Patrick & Kurt's tune and dyno 10-19 2011:363 rwhp, 365 Torque 93 octane.
Sounds so
GRRRR8 BECAUSE RACE CAR
7-1-14 Brembo Front Brake upgrade & Bohnam Front Splitter installed
Curt here
MongosG8 liked this post
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