Using custom rocker stands supplied with the heads the tfs heads relied on the factory ls3 rockers but required slightly longer pushrods 77 in vs 74 in. First start on 1933 bonneville from russ no more street rods.
Speedmaster 8 Stack Down Draft Efi System Club Cobra
Speedmaster ls3 individual runner. Speedmaster pce1481049k part number. Chevy ls3 the speedmaster individual throttle body efi system have all the flash of classic weber induction but provide higher state of tune and engine performance versatility of efi. Measuring 250 cc the pro 1 ls heads feature the largest port volumes of any of the cathedral port heads eclipsed only by the mast rectangular port ls3 heads. 232248 duration 114 lsa and three bolt gear rockers. The cam timing was limited by the available piston to valve clearance. Cfm at 28 incheslift intakeexhaust 0050 37 24 0100 70 54 0200 144 110 0300 216 157 0400 265 196 0500 304 225 0600 318 235 0650 322 238 0700 317 240 as it comes from dart the name pro 1 is synonymous with power.
This is a freshened up 2002 ls 53 327 tsp 224r cam speed master individual throttle body me. Testing showed it was worth as much as 30 hp over the factory intake. 390247 availability date unknown free shipping. Speedmaster pce1481049k speedmaster complete ls3 downdraft efi stack intake manifold system kit. The crowing touch of our ls3 upgrade was this speedmaster individual runner ls3 intake. All motor 62l ls3 engine short block.
The plenum volume changed the power output very little on this application. Equipped with the short runners and fast lsxrt top the ls3 produced almost identical power to the standard lsxr top. Stock offset ls3 intake. Speedmaster ls3 individual runner efi management. It looks good sounds good and also makes great power up to 546 hp and 520 ft lbs. Speedmaster complete ls3 downdraft efi stack intake manifold system kit.
Guys check out the fabulous side draft system for chevy ls3 2015 sema award winning efi system from speedmaster. Buy speedmaster pce2811469 chevy ls3 l92 l76 250cc 64cc as cast bare aluminum cylinder head as cast cylinder heads. Despite the lack of boost or nitrous this all motor ls3 exceeded 600 hp using a stock short block and relatively mild cam.
Gallery of Speedmaster Ls3 Individual Runner
