LS1 RX7 6000RPM Launch

mike93hatch · Post by **mike93hatch** » Fri Mar 28, 2008 12:36 pm

btlfedgolf;105486 wrote:built LS1 + Cobra rear = 11s(look for this from Pat soon)

no... .there was a guy here locally with a ls1 FD but he just sold it. stock car, stock ls1, even stock size little bitty tires and he ran 11's/ it was the cleanest FD ive ever seen.

Waffles · Post by **Waffles** » Fri Mar 28, 2008 12:45 pm

mike93hatch;105610 wrote:no... .there was a guy here locally with a ls1 FD but he just sold it. stock car, stock ls1, even stock size little bitty tires and he ran 11's/ it was the cleanest FD ive ever seen.

Reading > me

your right its just simple bolt ons

1986 RX7 GXL w/90 nose and aluminum hood
JTR radiator and mounts with electric fan
Runs at 200 degrees on a 105 degree day
LS6 engine about 10K miles
Trick Flow 228/230 .585/.585 112 cam
New Comp 918 springs
Katech rod bolts
Fel-Pro MLS head gaskets
JTR 1 3/4" coated headers with V-band clamps
Custom dual 3" into 3.5" single exhaust (sounds awesome)
395RWHP/380RWTQ
Tuned, starts, runs perfectly

Flywheel & Clutch:
One piece billet 4340 steel 12lb flywheel with integral ring gear
Quarter Master 8.5" single disk

This clutch works great in this light weight car. Blip the throttle, quickly release the clutch, and your on your way.

Transmission:
Liberty faceplated T56. Micronited gears. Factory Hurst shifter. This gearbox was done by Liberty about a year ago and has about 3000 miles on it. Shifts perfectly. Can be used for drag or road racing. The faceplate engagement will not pop out of gear at anytime.

Driveshaft:
Billet Strange Engineering 2 piece slip yoke, 3" steel driveshaft, 1350 U-joints all around.

Read end:
IRS. Custom brackets mount a rear from a 2004 Cobra Mustang. 3.55 gear ratio with the Tru-Trak limited slip. About 5000 miles on the diff. 31 spline stock Cobra inner stub shafts mated to a custom 300M bar connected to 4340 billet outer CVs with 1.4" 33 spline axles. Hubs bored and splined to work with these axles. New wheel bearings. ARP wheel studs. Newer Hawk pads. Heim control arm bushings.

Other goodies:

Newer front suspension with rebuilt fixed 4 piston calipers. Brembo rotors, Tokico 5 way adjustable struts all around. Newer Hawk pads. Manual steering rack. New brake MC. New clutch MC. Line lock.

Wheels & tires:
Rear: Bogart 15x7 wheels with Mickey Thompson ET Streets 26x9.5/15. Tires have about 25 passes on the. Good life left.

Front: 16x4 skinnies with Firestone bias ply tires. These are the same tires that CCW sells to the Corvette and Viper guys.

and some of you might recognize the other car in his pic.

m6speed · Post by **m6speed** » Fri Mar 28, 2008 12:46 pm

btlfedgolf;105609 wrote:Does not look like he has any issues in the 60 to me.

for you maybe. i'd rather have a 1.4

Its Pat! · Post by **Its Pat!** » Sat Mar 29, 2008 12:43 am

we shall see i guess.

jpciii · Post by **jpciii** » Sun Mar 30, 2008 7:57 pm

damn, I've never seen an LS1 powered FD hook up like that... only seen major wheel spin. That's impressive.