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    302 Clevor question

    What you're doing here isn't a Clevor. It's a Boss 302. Same head mods as the Clevor though. Or use Boss 302 heads, if you can find em. Edelbrock makes a RPM intake to fit this. Look up the part number on their site, then go to Summit Racing and type in the number. It lists for about $335. A...
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    new edelbrock intake problem water in oil

    :nice::hail2:
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    new edelbrock intake install problem update

    The date codes for the heads are inside the valve cover, right up against the cover rails. But the translating the date codes also requires you to start with the casting numbers to ball park the decade they were cast. (SBF heads were produced for nearly 40 years, from around 1961 to 2001)
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    new edelbrock intake install problem update

    If I'm not mistaken, the small plug heads appeared in 74 or 75. When heads are milled, they're almost always milled just on the block deck surfaces only. The intake sides can be milled, but almost never are as they're not completely flat on that side, the top of the heads angles outwards to the...
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    new edelbrock intake install problem update

    The year model of the heads shouldn't make a difference. But if you're wondering, there's an easy way to ID the later (post 78 heads): All these heads have pedestal rockers (bolted down with a 5/16" headed bolt and stamped steel rockers. Among these heads, after 1985, there were only 5 castings...
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    new edelbrock intake install problem update

    Forget about cracking the heads from torqing an intake. That's not going to happen. The bolts will break (or strip the threads)long before any damage can be done to the head mating surfaces.
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    new edelbrock intake problem water in oil

    Right ! :nice::hail2: Got a little distracted cookin supper.:D
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    new edelbrock intake problem water in oil

    Not necessarily. Now two intakes are exactly alike as far as the dimensions. Long story short: I've had my milled (by .060) Canfield heads on two different engines now, with the last combo, the Vic Jr I ran with em, needed to be milled to match the heads, but with the engine they're on now, the...
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    Carbs... Not just for nutrition

    Mechanical secondarys open all the way when you nail the go pedal. Vacuum secs open with engine demand, but can be tuned to open early or late as you like (on Holleys) And as robbz298 suggested, if you go with a mech carb, go smaller on cfms.
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    Block and Tranny assistance

    If there's a counterweight there, you will not miss it. It'll be welded to the flexplate.
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    Block and Tranny assistance

    There won't be any. I looked again at his pics and I DO see the external ribs cast into the early 70's blocks.
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    Carbs... Not just for nutrition

    :D Carbs ? Nothing like multiple Holleys on the same engine.:nice: Love my tripower on my 331. :hail2: No muss, no fuss, just dead on reliable for 6 years now.
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    Block and Tranny assistance

    Well you correctly guessed that it's a 390. The intake is a 70's part from a pickup truck and the exhaust manifold is a T-Bird part. The bottleneck in your motor is those exhaust manifolds. You might want to also check for a counterweight on the flywheel, the presence of one would indicate that...
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    Made up my mind for a 331 stroker.

    You don't have to buy new aftermarket heads. Nor do you need to stick with ported O.E. heads. There are lots of good used aftermarket heads out there, all you have to do is look. I bought a used set of Ford Racing GT40Y's a couple years back for $600, and at that same time ran across two other...
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    Made up my mind for a 331 stroker.

    Under the 58cc, each one of those numbers represent the compression ratio you'll get with each piston type. 10.4 will be with flat tops, 9.3 is with dished, and 12.9 is with a domed piston. Unless you're only going to be racing, rule out the domed pistons. You can then decide which you want flat...
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    Which cylinder heads is the best for 289 CID?

    No guide plates needed on 65 heads.
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    69 Bottom End Parts

    What oyu're looking for is one your pocket can afford. And don't be afraid to buy one that's got a cast crank. Forged cranks are not necessary for 90% of applications. Forged rods are, but then again nearly all rods were/are forged. Forged pistons ? Well in a 347, I'd tend to want those forged...
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    Which cylinder heads is the best for 289 CID?

    Depends on which heads he's got. If they're pre April 66 heads, no guide plates needed. After that date in time, all require guide plates if not using the stock rockers.
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    new edelbrock intake problem water in oil

    :shrug: Did you not read what both I and rbohm posted ? Or just chose to ignore it ? Based on your desciption of your intake, it's obviously defective. But you're free to continue doing it over and over again, hoping for different results :D
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    1989 Bronco as donorcar.

    The truck upper and lower intake are different from the Mustang's. The lower was used with the Holley uppers though. (and maybe one other aftermarket upper intake) The Bronco rear, while too wide and will need narrowing, will likely be a trac-loc rear and will have 31 spline axles. The AOD will...
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