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Motor for Superformance ???
After searching through many threads, it looks as though a 351 W stroked to 427 isn't the best motor for street use and every so often at the track. I would be using it for just that and am concerned that pushed hard for an extended period of time on the track (Willow - turns 2 & 8) the engine would have problems.
Coast High Performance is telling me that to use it on the track I need an electric oiling system ($2000). Wouldn't a good Canton baffled road race oil pan be enough to keep the engine properly oiled during high conering G's ?? (I'll be running slicks). Also, I am hearing that a 351 W stroked [to 427] isn't a reliable powerplant and will develop problems (rod angle). Would a 408 be better ? Any suggestions would be greatly appreciated. PS - Anyone have any experience with P.I. Motorsports in the city of Orange ? |
If I were building a 427W, here's what I'd look at. 1) FMS 4 bolt, 9.5" block. Can be bored 4.125. If you'll be twisting it 6k - 7k, use 2.75 main journal size. CHP uses 2.1" rod journals on their strokers. 2) 4" stroker crank. Same crank as the 408, just a bigger bore. 4.125 x 4.0 x 8 = 427ci. (No that's not how you plug it into the formula, just making a point) Even aftermarket aluminum Windsor style heads are pushing the envelope breathing wise with those cubes. I'd try a set of Blue Thunder aluminum Cleveland heads, or as another option Australian C3V Cleveland aluminum heads. 3) A hydraulic roller cam.
Don't understand the electric oiling system. Canton road race should be enough. |
A good 400 hp 351 will be plenty reliable and with some expert driving lessons and lots of track time you will be faster than most of the guys with 500+hp and little track time. Going fast on the road course is more about driving skills than HP.
McCranky:) BTW By electric oiling system you probably are talking about an Accusump. |
Agro-1,
You asked about a shop in Orange, CA ; I presume. If you're in that area, I recommend stopping by HOC, they do lots of SPF's and have a full engine shop that does lots of stroked windsors. You won't need anything other than a good milodon or canton oil pan with baffling, and a good windage tray that has been fitted to the crank. As for the stroker small blocks, they're great and don't suffer from any real lifespan problems (if put together right) compared to the alternatives. I think that the 408 and 418 stroker combos are the best, but that discussion could take weeks. |
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