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  1. rick360

    318 Compression ratio

    Yeah they work with anything basically far as I've read, so the better breathing you can get the motor, the more cfm you'll get. I've seen TQs on Ebay for cheap, although I would want an earlier model rather than the emissions crap later models like the 8000 series.
  2. rick360

    318 Compression ratio

    I've read into the ThermoQuad and there are two types with either smaller primaries or larger ones. 800cfm for the smaller ones supposedly. They used them for the small blocks the other ones for the big blocks. The secondaries are the same size in either one. I'd need a pretty high duration...
  3. rick360

    318 Compression ratio

    That's basically what I want, good horsepower and a lot of torque. Supposedly smaller ports are good for torque. You think a ThermoQuad would work in this setup? Or should I stick with a 600 or a 650 carb?
  4. rick360

    318 Compression ratio

    Yeah I read that article, quite interesting they used magnum heads and all that. I think I might try those ideas. They sound like they could be affordable. HotRod magazine has a 318 400hp build too but they took a slightly different approach with aftermarket heads which were basically magnum...
  5. rick360

    318 Compression ratio

    I was looking into Magnum heads too actually and yeah they are different than the earlier LAs. After all those years of shaft mounted rockers they finally changed them to pedestal mounts. I could find those in the junkyard rather easily. Now if I can get more power with those RHS heads then...
  6. rick360

    318 Compression ratio

    I was looking at the Keith Black pistons, they're kind of expensive but would probably be worth it. Pair those up with RHS heads and it would be quite a combo, it would take a while to save up that kind of money though. I've seen some rebuilt/refurbished heads on Ebay for a lot cheaper; $175 a...
  7. rick360

    318 Compression ratio

    My book also says that too, all blocks are not exactly the same and the block height may be different from side to side. I'll have to call the machine shop and see how much it costs to get this done. I also have eight rods I need reconditioned. Any ballpark figures how much this is going to...
  8. rick360

    318 Compression ratio

    I'm rebuilding a 318 bored .030 over and I was wondering which heads would be the best to get a decent compression ratio? My book here says the 302s are the best for compression but I've also read that the ports are rather small unless you do some work to them. What kinds of results has...
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