WebNov 16, 2024 · Pontiac's 326-cu.in. V-8 had been a Division staple since 1963 (it was actually 336-cu.in. that first year) in the Y- and then A-body Tempest and Le Mans models. ... The Bultaco’s 200-cc two-stroke …
Pontiac 326 trouble Hot Rod Forum
WebIn other words, the only engine parameter which influences VE is mean piston speed (MPS). Mean piston speed is merely the distance the piston travels per crankshaft revolution times the crankshaft (engine) rpm. In formula form: MPS = STROKE x RPM/6. For 389 thru 455 CID. the strokes 3.75",4.00" and 4.21" are applicable. WebRotating assembly can be balanced for you if you desire. Balancing adds $200 to all of the kits. Kits are listed below without balancing! The pricing listing is with flat top pistons. ... hourly forecast for bridgewater nj
Technical - PONTIAC V8 TECH - 389 vs 421 Blocks The H.A.M.B.
WebMar 31, 2024 · 421 block has the transfer lug. This lug signaled the line workers to transfer the 421 blocks to a different machining center, the 326 blocks had one as well. The far more common 389 blocks didn't have the the transfer lug cast into the block. 389 block with 2-bolt 3.00" diameter mains to accept the factory 3.750" stroke crankshaft. WebOct 30, 2013 · What is the exact bore and stroke of the 326's. I been getting multiple answers on this. So whoever has built a 1963 can you please tell me what the … Web326 cu in (5.3 L) 347 cu in (5.7 L) 350 cu in (5.7 L) ... (5.3–7.5 L) were the same. Engine displacement is a function of bore and stroke. Pontiac's V8s share the same 6.625 in (168.3 mm) connecting rod length, with the ... hourly forecast for americus ga