Drag Racing 1/4 Mile times 0-60 Dyno Fast Cars Muscle Cars

383 Stealth Ram with Ultraflo 4" exhaust idle/rev

Clip of my 383 HSR motor idling/revving with custom fabbed 4" single Exhaust with 4" round ultraflo muffler


 


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383 Stealth Ram Z28
Dyno tuning 383 stealth Ram Z28





1991 Supercharged 383 TPI Camaro Z28
This is my 1991 Z28 Camaro. I am running an Eagle bottom end (5.7" H-beam rods) with forged JE pistons. The block is a 1976 4-bolt main block with ARP bolts. That is good for 383 cubic inches. The compression ratio is around 8.2:1. It has a custom ground Lunati flat tappet camshaft, Crane full-roller aluminum rocker arms, and Comp Cam lifters and springs. The heads have mild port work done. The TPI induction is stock except for a TPIS air foil. It has Hooker long tube headers (#2210) and 4" single Mufflex Exhaust to a Spintech muffler with 3" duals out and a Flowmaster merge y-pipe. The blower is a Vortech S-trim with a 2.87" pulley, good for about 12-14 psi at 5500 rpm depending on conditions. The car has not been fully tuned yet with the stock computer. It is running 30 lbs injectors with a 4:1 Vortech fuel pressure regulator (yes, I know). It has a shift-kitted 700-R4 with a 3000rpm stall TCI torque convertor. The rearend is a 10-bolt that I have rebuilt once with Richmond Street 3.73 gears and an Eaton carbon fiber clutch posi. It has run a best G-Tech time of 13.6 at 110 mph spinning the tires through first and halfway through second at 5200ft elevation. The car is estimated around 450 fwhp and over 550 ft/lbs of torque. I am in the process of pulling the car apart to repair the body, replace the broken windshield, and replace the transmission. The car was sitting for about a year after I blew 3rd gear. This is the 4th time starting since. There is a pulley that is making noise that can be heard over the blower. I am planning on making a few more videos before the teardown. The revs were to about 4000rpm and the belt was not adjusted very tightly. Sorry about the bad sound quality.





383 HSR Camaro at PRP 9/3/08
Few runs of my 383 Iroc-Z. All motor 383, AFR heads, BRE cam, 4inch Exhaust, 3600 stall/3.42 gears.





383 Stealth Ram Dyno
Dyno runs on the 383 motor. Motor was over 200 degrees on that final pull but still put down 392/371. Should be 400/380's cool





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