Thread: sb 383
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Old 12-30-1999, 05:01 PM
stey235 stey235 is offline
LawnSite Member
Join Date: Dec 1999
Location: Yakima, WA.
Posts: 2
I recently installed a 383 in my 84 3/4T. Suburban. It has a 4 speed (Granny type) tranny and will soon have a 4:10 locker full floating rear locker and a heavy duty 4:10 front from a 79 military truck under it. This new 383 has gobs and gobs of torque. I had a local speed shop build it with parts that I supplied. It has 2.02 intakes and 1.60 exhausts. The heads had the bowls polished, hardened seats and new guides and teflon seals installed, stainless valves and new Crower springs and retainers top it off. Crower made a custom cam for my application. NOTE: the 383 takes a special cam. Your standard small block cam will have clearance problems with the longer stroke. They warned me not to lug the motor down to much. It will slow to an almost stop but will shortly beat out the crank bearings if you repeatedly lug the motor. YOU DON'T HAVE TO. It has ample power. I used an Edlebrock performer with a stock 400 Quadrajet carb and stock exhausts. My Suburban assault rig has a 4&quot; lift due to 1ton springs. I use 315/85R/16s Buckshot Mudders for tires when offroading and 235/85/16s the rest of the time. I had the block, heads, crank, rods, vibration dampner, and sheetmetal. I spent just under $2000 for the machining and other parts. I opted for a balanced, rip snortin' motor but my origional estimate from them was under $1400 for the parts and work. I also cost me an additional $250 (included in the 2k) for them to assemble it. I had a time problem so I had them do it. My other motor blew at the beginning of hunting season and I needed to get back up there. Good Luck,<p>----------<br>Vic Stein<br>
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