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





1986 IROC 383 dual exhaust with h-pipe
nasty little 383 in an 86 IROC. i built the Exhaust system. it's hedman longtubes, h-pipe, dual 2.5" pipes with Summit Brand chambered mufflers.





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





383 Stroker Exhaust Clip
This is my 2003 Silverado with a early style carbureted 383 Stroker in it. I have a big body Magnaflow on it and left room for electric cutouts. We just installed a new Roller cam from TrickFlow with roller lifters. Specs: Duration 292/ 296, Lift .528/ .539.




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