Garry W. McKissick, Jr's 1986 Shelby Charger
"Sleeper"
Here is a list of modifications with 1/4 mile times for
my Shelby Charger
"Sleeper." I don't know for sure what my Charger did FULLY
stock, as I
never really ran it that way.
- Installed Mopar Performance logic module, Walker Super Turbo
muffler (stock catalyst
still in place), home-made ram air system, and Centerforce racing
clutch.....
Best run: 15.17 @ 90.2 mph.
- Spearco intercooler kit for Turbo I installed, '85 G-casting
head (stock head was cracked), new oil pump,
rod bearings, piston rings, replaced a broken piston, installed
804 injectors, MSD-6 ignition,
home-made cool can, LRE Response kit, complete 2.25" exhaust
w/o catalyst. LRE heim joint shift
linkage, LRE 40% faster shifter, KYB 4-way adjustable struts,
KYB racing shock, 1" lowering springs in
front, and Poly bushings. Boost level at 12 psi (still
had MP logic module).....
Best run: 14.45 @ 95.6 mph.
- '86 block, Mahl TII pistons, TII crank (forged), TII rods,
'85 G-casting head (bowls measured to 50 cc's,
ported and polished), Comp Cams camshaft, heavy duty springs,
bronze valve guides, TII 2 piece intake
(with 90 degree bend cutout, ported for 56mm but run a 52mm),
hogged out TII exhaust manifold
(EGT probe), Custom turbocharger (H3 compressor w/ TA34 turbine
wheel), '84 A-413 automatic trans
(heavily modified, extra clutches, reverse pattern manual valve
body, stock converter), +20% injectors,
SX adjustable fuel pressure regulator, custom fuel rail, custom
wound Walbro fuel pump. During
SDAC-5 (Topeka, KS) my best run was 14.4 @ 101 mph ---- I had
broken the
torque converter and was pulling 2.5+ sixty foot times...!!
YUCK!
Best run: 14.4 @ 101 mph.
- Same engine as above, installed custom built 4000 stall converter.
SDAC-7 (Troy, Michigan) best 60' of day was 2.251.
Best run: 13.618 @ 107.41 mph.
- Re-learned how to drive the car (don't we all). Back
at Milan in
September '97 ran a best of 12.994 @ 105.03 mph.
EGT's were 1450 degrees
while going through the lights at the end of the track.
This was showing me
that my fuel pressure was a tad too high.
Best run: 12.994 @ 105.03 mph.
- Lowered fuel pressure to 53psi. Best run was 12.852
@ 108.70 mph. Most of
the runs that night where either high 12's or 13.0's with my
highest mph
being 108.99 mph. Decided to push the car one too many
times, then heard a
noise which I thought was a spun rod bearing. Later on
(a year later),
found out it was just loose torque converter bolts!! AUGH!!!
Best run: 12.852 @ 108.70 mph.
- Built new 'ultimate' engine, http://www.concentric.net/~Gmckissi/ultimate.html.
This engine has a totally different turbocharger, as the other
one wasn't working well with the
A-413 automatic. Custom rods, custom pistons. Pretty much
custom everything.
Haven't run the car at the track as I just finished building/assembling
this new engine.
Putting the engine into simulations show it will be producing
around 425-450 hp at the flywheel
with the new engine combination. Guess we will only see,
if it makes that much power----
mid 11 second 1/4 mile times should be NO problem with mph around
120 mph at end of 1/4 mile.
gmckissi@concentric.net