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07-10-2016, 09:39 PM
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Location: Tennessee
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Twin turbo 6.0 induction...Filters or ram air?
Just wanting opinions.... installing twin 62 MM turbos on my 6.0 LQ4 in the 78 Z28. Should I do filters on turbo inlets, or duct ram air into the turn signal openings ( ALA- Hellcat)? Turbo filters would be under hood. such as typical CAI.. I know the benefits of isolated cold air, but I can max out at 3.0 inch corrugated ducts due to fitment issues, and I don't want to restrict airflow. This is a street car that will see some track time, but mostly street.
thanks for any advice or thoughts.
KT.
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PTFB, Viking, Holley Performance Products, BFGoodrich, Heatshield Products, Turbonetics, Hellion Turbo Systems,TCI, Dennys driveshafts, Eastwood, Preferredline Media, Summit Racing, Strange Engineering, Forgeline, TMI Products, DBR High Performance, Spectre Performance, Vintage Air, NPD, Digitails, Redline Lumtronix, Dakota Digital, Newport Engineering, Stage 8 fasteners, Industrial Depot, Brian Finch, Grant Salter, and many more Good friends with big hearts.
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09-13-2016, 01:56 AM
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Join Date: Aug 2012
Location: Bay Area, CA
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Since you are in TN.... my buddy at Coffey Fabrication & Race Prep is working on my Chevelle in Nashville. If you want any fab work done he does killer work. https://www.facebook.com/CoffeyFabrication/timeline
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Project: 1969 Chevelle, alum 5.3, GTS76 turbo, Chiseled Perf A/W intercooler, Holley Dominator EFI, Davis TC, JRi coilovers, 14" brakes, T56 Magnum. CTS-V Recaro seats!
Coffey Fabrication Nashville, TN doing the fabwork! 800rwhp+/25mpg+/9's@150mph goal
https://lateral-g.net/forums/showthread.php4?t=52976
1993 Mazda FD RX-7, built LS7, T56 Magnum, Holley HP, Davis Tech TC, 8.8" 3.73 Cobra IRS diff, DSS axles, Ohlins coilovers, big brakes.
CCW 18x11 front 315/30/18's and 18x12.5 rear on 335/30/18 RA1's, 2850lbs
10.31@137mph 165mph Shift-Sector 1/2 mile speed
441ci AllPro headed motor and 200lb weigh reduction in the works....
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09-13-2016, 07:52 AM
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Lateral-g Supporting Member
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Location: Houston
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If you plan on driving it a good bit, I'd say do filters. Do something like mine did so it can get cool air but sill have the filter.
They'll pull cool air directly from behind the grille/headlight area.
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10-09-2016, 06:57 AM
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Man, I love the radiator support! Nice fab work! Thanks for the response. I think what we're going to do is to have filters on the inlet ducting just in font of the radiator support and have ram-air through the turn signal lights in the bumper, but not duct from the lights to the turbo inlets themselves. This way we can draw air from the filter as well as get the extra airflow at speed and not compromise CFM when the RPM goes up. There's about 8 inches between the inlets/lights and the core support, so lots of ambient air to be had in that giant space.
How far along is your car? I'd love to see it up close sometime. Everything looks so crisp and cleanly laid out. Nice work!
KT
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PTFB, Viking, Holley Performance Products, BFGoodrich, Heatshield Products, Turbonetics, Hellion Turbo Systems,TCI, Dennys driveshafts, Eastwood, Preferredline Media, Summit Racing, Strange Engineering, Forgeline, TMI Products, DBR High Performance, Spectre Performance, Vintage Air, NPD, Digitails, Redline Lumtronix, Dakota Digital, Newport Engineering, Stage 8 fasteners, Industrial Depot, Brian Finch, Grant Salter, and many more Good friends with big hearts.
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11-14-2016, 09:12 PM
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Lateral-g Supporting Member
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Join Date: Dec 2004
Location: Houston
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Sorry just seeing this again. Wish I could have seen your car at SEMA.
Car is slowly coming along. Runs and drives. Few minor wiring gremlins and sorting out the small stuff that I'm finding along the way. Missing/lost parts. Etc.
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