In this episode we put my 1987 FC RX7 on the dyno to see how much power we can make. I removed the spinny dorito and put in a 4th generation LS based 4.8 liter V8. This is the first car I have built and I think it has evolved into a pretty awesome little car. I built everything myself in my garage. This is the first time I have paid for any services (tuning support) with this car but it was well worth it.
Special thanks to Cal for the tuning support/dyno pulls and Jim for helping me set it up!!
Let’s lay it down!
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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:
Initially I started with a T56 out of an F-body Camaro that had been put through a lot of tough love before it went into my RX7. I later upgraded to a brand new T56 Magnum F that is capable of handling a lot more power
Rear Differential:
Within the last month I upgraded the stock Turbo II rear end to a Ford 8.8 IRS differential from a Ford Explorer. This diff has limited slip and 3.73 gearing. Hardened and coated chromoly axles with Ford Explorer outer and inner CV’s.
Fueling:
525 lph hellcat fuel pump (going to upgrade to 2 525 pumps soon), ½” solid fuel feed line with 8an return line and a boost controlled fuel pressure regulator
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!
#nodoritos #LSX #LSswap #provinsgarage
27 авг 2024
