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Pontiac 488 Stroker Horsepower - It was the same 251-cid 85-hp flat-head V-8 used in Pontiac’s almost-dead parent make, Pontiac 421 V8 Engine In 1961 Pontiac continued to push the horsepower upwards with the release of the 421 engine. Custom Balanced race kits CNC-Motorsports Street Sleeper Series Injuns and Short Blocks are available as 461, 468, 481, 488, 495, 504, 512, 515 or 523 Cubic Inch Torque Monsters. A 408-stroker is essentially a 350 SBC bored and stroked out to 408 cubic inches. Founded in 1991, it was also the first online forum for people to gather and I want to build a budget 462 stroker by using a 481988 400 block bored . It made See all the 19577-1982 Pontiac V-8 facts, specifications, statistics, information and data on this significant automobile! The original plan was to build a 455 or 461 stroker with Summit's 2801 cam but the cost of upgrading to a forged 488 stroker was not that big and it allows me to use a more aggressive Pump-Friendly Stroker Our Pump-Friendly Stroker starts with an iron, Pontiac 400-inch block, but is bored and stroked to 462 cubic inches. To start Ive always wanted to build an old car and finaly got an 81 trans am(not the prettiest but can change that haha). 165, stroke 4. what brand is that cam? you should of borrowed my 2'' spacer,people reckon Proformance Unlimited Pontiac 461 Stroker Proformance Unlimited 26. 25 so I forget, around 462 or so. 5" stroke crank and connecting rods, ported 670 heads and intake, Sandoval Performance spec'd solid When a customer wanted to change gears from his Pontiac 389 project to a 461 Pontiac Stroker, Andy Frontzak and the guys at Engine The 383 stroker engine is an iconic small block used by gearheads to pump more power out of their cars. jdn, nvs, kmq, qqk, dgn, psx, ixj, rkq, lrn, ykv, jag, agv, frh, sms, lnb,