Jeep 4.7 Stroker Turbo Dyno Pulls
Newcomer Racing 4.7 Stroker turbo on the
Dyno in naturally
aspirated form for break-in and Dyno numbers. The 4.7 was
broke-in and ran with a 390 Holley, then for the last two pulls we decided
to try a 750 Holley to see if the 4.7 could take it and boy did it ever!
The power numbers were up all the way through the power curve we ended up
w/312.2hp@5400 and 330.5tq@4400. Dyno pulls were made from
2500rpm's thru 5500rpm's, it made over 300ft.lbs the entire rpm range. The
current Dyno numbers
are made by a Jeep 4.7 stroker w/ 8.43:1 compression, ported head and
intake, and a small custom turbo comp.
cam, custom header w/3" collector. The current video is with the 750
Visit WWW.NEWCOMERRACING.COM for more info.
CHOPPED AND EXO CAGED JEEP ZJ GRAND CHEROKEE, SUPERCHARGED AND INTERCOOLED
4.0, TRIANGULATED 4 LINK REAR AND FRONT, FOX 14" AIRSHOX, 35" SUPER
SWAMPERS, DANA 44 FRONT w/ AIR LOCKER, FORD 9" REAR w/ SPOOL, 83" TRACK,
120" WHEELBASE, BUILT 3 ROLL BENDER TO MAKE VARIOUS BENDS FOR THE CAGE,
1996 Jeep Cherokee 4.0L Turbo Test Drive
Finally fixed my Exhaust leak and oil
leak. Took her for a little test run. Nothing too crazy since there are no
plates or headlights on it right now.
Link to my build thread: