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Old 07-21-2021, 10:44 AM   #15
Little Walter
 
Drives: ZL1
Join Date: Dec 2016
Location: New Orleans
Posts: 156
I have the dual pass heat exchanger from Livernois, which is really good for keeping the IAT's very low you add it on in addition to your stock heat exchanger very nice setup. I have heard several guys use many different heat exchangers also on this forum, you might get feedback from some them as well. I've only used and familiar with the Livernois Exchanger which have been a difference maker for me..

Last edited by Little Walter; 07-21-2021 at 01:27 PM.
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Old 07-23-2021, 03:56 PM   #16
12oclockshadow
 
Drives: 2012 ZL1 M6
Join Date: Feb 2019
Location: Conroe, Tx
Posts: 201
I had LTs no cats, 2.38 upper, intake, e85, 1000cc injectors and made 690whp..
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BTR Stage 3 Blower Cam, Trunion upgrade, LPE 2.38"/8.66", DSX aux kit w/FF sensor, Speed Engineering 1 7/8 Headers no cats, Roto-Fab CAI, FIC 1000 injectors, MSD plug wires. Brick Mod, Gforce ZL1 Heat Exchanger, Moroso Catch Can, 160 degree thermostat. 801whp/741wtq on e85
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Old 07-29-2021, 05:02 PM   #17
Triple5even813
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Drives: 2013 ZL1 M6 coupe, black
Join Date: Dec 2017
Location: Tampa, Florida
Posts: 53
If you want to get 700whp on 93 octane, you'll have to turn the boost up quite a bit and heat will become an issue. Intake, exhaust, and tune, you're probably sitting around ~550whp now, give or take.


What I would recommend as a bare minimum:

9.1/2.5 pulleys, with 100mm idler, and lower idler relocate bracket

reinforced brick/solid isolator (my brick was collapsed at only 9.5# boost)

trunk mount ice tank

cam (it's up to you which one, but don't go too big. You can make great power even on a "medium sized" cam)

heat exchanger (money well spent even at stock boost levels)

in-tank dual fuel pumps, return style plumbing, & 1000cc injectors (stock rails are fine unless you want to do a true return style fuel system)

clutch (stock will not hold up well above 650)

Some people have good luck with meth and nitrous, but I don't like the added complexity of either system.

Porting the blower or heads will make it easier to reach your power goals without a crazy pulley ratio and overspeeding the blower too much. A ported blower and heads are probably worth 75-100rwhp, and you could go with a much less aggressive pulley setup.

Just my $.02
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2013 M6. Cammed, straight piped, 17# boost, E85. Tuned by CHenry Motorsports. 825rwhp @ 6450, 812 rwtq @ 3500. Stock unported blower, stock heads, stock bottom end, stock throttle body. Boost only, no meth, no nitrous
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Old 07-29-2021, 05:11 PM   #18
Triple5even813
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Drives: 2013 ZL1 M6 coupe, black
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I'd also like to add that you should definitely consider hitting up BMR for some suspension & bushing stuff, which will make the car work much better at the higher power levels you're looking for.
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2013 M6. Cammed, straight piped, 17# boost, E85. Tuned by CHenry Motorsports. 825rwhp @ 6450, 812 rwtq @ 3500. Stock unported blower, stock heads, stock bottom end, stock throttle body. Boost only, no meth, no nitrous
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Old 08-01-2021, 10:44 AM   #19
FasNuf
 
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Drives: 2014 Camaro ZL1
Join Date: Jul 2019
Location: Salem Oregon
Posts: 724
[QUOTE=ChuckZL1;11040890]Good Luck with Build, but I hate to tell you with your current mods you are no where near 600 RWHP. Maybe 500 if you are lucky.

He should be easily at 500rwhp. That's basically what stock should put down. If he wants to hit 600 wheel, he'll need a pulley change to go along with it and possibly injectors.
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