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Clevor Street Boss 302


Guest Quackus

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Guest Quackus

Has anyone tried to put a 302 Clevor engine into their Z? For those of you who dont know a Clevor is a windsor engine with clevland heads on it. I have one in my 82 mustang Gt and the steering shaft goes through the headder. so i was thinking that I might be able to avoid the problem everyone seems to have with the headders and the steering shaft. Since the clevor is basicaly a boss engine I was thinking of calling my Z (when I get it) a Boss 30Z. Anyway thanks for the imput...

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I had a great deal of success with one that I built in '85. I used the 2 barrel Cleveland heads, with the iron exhaust manifolds, and the B&A intake manifold specifically made for this set-up (I don't think they make this manifold any more). Periodically I see these intakes on Ebay, but they go for $300-$500 dollars when they do turn up. Anyway, the 302 ran very well and strong with this set-up.

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That's pretty old school tech for Fords...there are a lot better setups out there now. For the longest time, there just weren't any decent heads out there for SB Fords...the 69 351W heads were about the best bang for the buck until the late 80's. Now you have purpose built heads that flow much better (in aluminum rather than heavy ass cast iron) for fairly cheap. You can stick with regular 302 headers, intake & hardware & not have to machine anything or get rare (expensive) hard to find stuff like the Clevor intake.

 

I went with Edelbrock heads on my 5.0, as they were the best QUALITY heads out there IMHO...all the bolt holes are helicoiled & they are direct bolt ons with no special rockers or custom pushrods needed...There are other heads that flow more (TFS, Brodix, AFR) but I liked the OEM quality of the Edelbrocks. You can get a kickass set of AFRs for ~$1300 that will flow more than you'll probably ever need...you can use Ford EECIV fuel injection from an 89-93 Mustang or stay carb'ed & do it for a hell of a lot cheaper...plus there's already proven headers out there for that application.

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That must be them because the old company (B&A) was in Fort Smith as well. Matt is correct on total performance now verses then, but I really liked the performance the 2 barrel heads gave, and those big A$$ heads and valve covers look intimidating in a show car.

 

When I did my heads, I used nickle rod and welded a square piece of steel plate into the block-side water passage, and then drilled a new water passage hole on the manifold-side surface. A much simpler way to do this is have the square hole machined into a round hole and then simply put a freeze plug in it (which is what I think Bush does from what I see in the 3rd photo (arrow "b").

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That must be them because the old company (B&A) was in Fort Smith as well. Matt is correct on total performance now verses then, but I really liked the performance the 2 barrel heads gave, and those big A$$ heads and valve covers look intimidating in a show car.

 

When I did my heads, I used nickle rod and welded a square piece of steel plate into the block-side water passage, and then drilled a new water passage hole on the manifold-side surface. A much simpler way to do this is have the square hole machined into a round hole and then simply put a freeze plug in it (which is what I think Bush does from what I see in the 3rd photo (arrow "b").

 

Don't give up on Ford Cleveland performance yet. Although Clevelands have pretty much been presented as the poster child for wretched excess on one hand and production performance compromises on the other [if this makes no sense to you, peer down the intake port of a '69 4V, past an intake valve that measured something on the order of 2.14 or so inches, and then look at the exhaust valve port: you will understand], the Australian aftermarket produces aluminum Cleveland style heads that should tickle the cockles of the heart of any Ford ' O Phile. Check this out: http://www.chiheads.com/cylinder_heads.php

 

I think a set of these heads on a 331 Windsor dressed as a 302 Boss would be a real kick in the butt.

 

g

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Guest Quackus

I think it would too... I also already have a clevor engine in my mustang so coming up with the intake wouldnt be an issue since I already have it. I think it would be easyer to do just because the headers already have room for the steering shaft to go through them, hopfully elemenating that problem. I just need a Z to put it in... and to get out of school and into industry to start makin money:)

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