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What engine is this?
trainfan1 wrote:
wrote: Hey guys. I have a 28 ft 1970s SlickCraft with a GM engine (don't ask which kind. I or everyone I talk to can't figure that out). What kind of engine is this? [IMG]http://i17.photobucket.com/albums/b71/ holmquistc/IMG_0175.jpg[/IMG]brbr[IMG]http://i17.photobucket.com/ albums/b71/holmquistc/IMG_0174.jpg[/IMG] Also, do you guys have a firing engine for this? Thanks! aim, chrisgholmquist Distributor in front... Not a Chevy. Not an Olds. Not a Pontiac. Not a 318/340/360 Chrysler either. Distributor at front, in intake(not timing cover), & vertical/not slanted... Not a Buick. Not a Cadillac. Not a 383/400/426/440 Chrysler either. Pretty much leaves us with FORD. Wide manifold - high deck = 351 Windsor. Now I can't tell if the rocker covers are 4 bolt or 6 bolt. Pic is too small, but they do look like Chevy or Buick covers, and not the Ford shape... AND now I'm looking at intake, it does not have the Ford shaped runners. The manifold is too flat. The layout is just like a 352 Ford, or 390/427/428 FE engines. If the boat is older, this could be the case, but the rocker covers still look too small for a 352. Rob The thermostat housing to the starboard of the distributor confirms this. It's a Prestolite distributor. 2bbl carb = ~225 hp. 4bbl carb = ~240-255 hp. There are 4 different firing orders depending on the camshaft, & engine rotation. The typical 351W marine cam has a firing order of 1-3-7-2-6-5-4-8 for standard rotation engines (CCW rotation as viewed from flywheel) shared with the 5.0 HO & 351W cars. The order is 1-8-4-5-6-2-7-3 for reverse rotation engines (CW rotation as viewed from flywheel). The 302 cam is rare in 351W marine applications(although it is a direct fit), it is slightly different than the above orders: 1-5-4-2-6-3-7-8 CCW 1-8-7-3-6-2-4-5 CW Rob |
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