TURBO LS RX7 HITS THE DRAG STRIP! FASTEST PASS YET BUT A WEAK LINK HELD US BACK!
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- Опубликовано: 29 сен 2024
- After a year since it's last pass at the drag strip and many upgrades, we finally got back for some shakedown passes at a test and tune. I recently installed a dual Walbro 450 lph in-tank fuel pump setup to cure the issues I saw at the dyno in the last video on the RX7.
Aside from some initial issues with my boost controller we quickly identified the weakest link in the system. One more upgrade will be coming very soon and we are going back to find a 9 second 1/4 mile!
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The following includes everything I have installed on this car
Motor:
2011 4.8 Liter V8 out of my Chevrolet Silverado (I swapped the newer L83 direct injected 5.3 liter V8 with a 6L80E transmission into my truck for more towing power and much better drivability)
Motor upgrades:
Stage 2 Summit Racing turbo cam, forged Summit Racing pistons, new LS6 lifters and lifter trays, hardened chromoly BTR pushrods, dual valve springs, LS6 intake manifold, truck style throttle body with adapter to fit LS6 intake manifold (drive by wire), Holley EV6 100 lb fuel injectors with aftermarket fuel rails (custom brackets to fit the LS6 manifold), custom exhaust from the heads to the tail pipe.
Transmission:
T56 Magnum-F (f-body t56 magnum)
Rear Differential:
Ford 8.8 IRS differential from a Ford Explorer. This diff has limited slip and 3.73 gearing. Hardened and plated chromoly axles with Ford Explorer outer and inner CV’s.
Fueling:
Twin 450 lph Walbro fuel pumps. 2nd pump staged to come on at 50% and up throttle and 5 psi of boost.
Turbo:
VS Racing 7875 gen 2.5 turbo T4 style flange, single 38mm Tial wastegate with 12 lb spring (will likely upgrade to two of these in the future), 3” thick intercooler (can’t remember dimensions), 4” downpipe, dual port solenoid pressure control with 5lb CO2 tank for dome pressure increase (regulator set at 30 psi for now)
ECM:
Holley Terminator X Max (max for drive-by-wire throttle body control) with handheld and 7” display
Thanks for watching!
#LSXRX7 #HOLLEY #HOLLEYTERMINATORX #PROVINSGARAGE
LETS GOOOOOOOO
THAT IS NASTYYYY
Thanks pal! She made some STINKY BEANS!!
New clutch,
should be hitting 150mph pretty easy!
I honestly think so. That last pass bogged so hard when I super short shifted 2nd, it dropped to like 2k rpm. Should be installed this weekend and I'll be back to test again!
Stoked about the new clutch!
Same here man!
Why don't you rev it out pass 7.5k rpms?
Being conservative with the motor so it stays in one piece for as long as possible
Can't wait to see what the new clutch can put down! Awesome video!
I'm thinking it will make a HUGE difference!
Did you ever get @ new clutch and get it back to the track
☝️ PЯӨMӨƧM
Tilton clutch!
Yessir!
You ever run into a guy named RC Flint? He has been doing the drag strip for a number of years now. He is out of Bradenton Florida, but travels to many events both in Florida and out of state. He runs a charcoal colored Honda S2000 LS swapped.
Great job with the video as well, you're a natural Provin!