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Thread: I can't decide what engine to build....need advice
          
   
   

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  1. #13
    35chevy's Avatar
    35chevy is offline CHR Member Visit my Photo Gallery
    Join Date
    Sep 2006
    Location
    Elba
    Car Year, Make, Model: '35 Master Chevrolet
    Posts
    139

    WOW!!! Before I go any further, I must say this is the most awesome website I've ever found. A lot of sites offer very little help. You guys are awesome. That is almost exactly the engine comination I was looking at. I think the horsepower and torque numbers are very respectable for a streetrod. Heck, a lot of rods don't have half that much power. Couple of things.....I already have the performer RPM, the 981-16 springs required for the 282s cam so I'm well on my way to having all the parts. My headers are 1 5/8 block huggers. I'm sure the headers will hurt a little but I plan to upgrade to longtube at some point. I have already welded the flanges around the outside of the tubes and port matched them to the exhaust ports of the heads in an effort to get all I can out of them.. The heads have a 5 angle valve job, stainless valves w/ undercut stems and I believe a 30 deg. back cut. After much research, I tapered the guides and polished the ports, but I did not significantly alter the port shape. I was a little surprised at the flow numbers, they are a little low compared most. Nosing over at 5000 is also a surprise, though I do understand these are by no means new technology. The 700r4 does have a .7 overdrive and I have a lockup converter. 3.55's would put me at 2387 rpm at 80 mph and 3.73's would put me at 2508 rpm. WOW, 475 ft/lb's of tourque through a 3.06 first gear and 3.73's I better start thinking about a new rear suspension Thanks for your help, I really appreciate it. That's a lot of info!
    Last edited by 35chevy; 04-08-2009 at 09:05 PM.

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