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Old 06-18-2014, 12:23 PM   #1
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Few questions with cleveland build

Alright so I'm a little twisted with a few things with what to use and not to use with Cleveland's. I've googled things and read online but everyone's back and forth and I'd like to hear advice from someone who has built a cleveland in the past or knows a lot about em. By too worried about street ability mostly will be a track car RARELY seeing the street.

Pretty much I have a cleveland block, no internals are being used from factory pretty much. I'm taking it to a 408 with a scat kit so 4" stroke and 4.030" bore. I'm stuck with a few questions bc I'm fairly new with building V8s, my questions are:

1. I'm going with 4v heads, but do I go with open chamber or closed chamber. Some people say closed bc it bumps the compression but I'm not worried about the c/r too much bc with the kit I should be close to 11:1 give or take a couple points depending on which head is used, and I need to be able to run on 94 octane.

2. Dual plane or single plane manifold?
I was told single but no reason behind it.

3. What cfm carb would be too much or too little for something like this?

I'm gonna have a custom ground cam when I get everything figured out. I was told to go with the cam last so it could be matched to my setup

Any input is appreciated. And please gimme an explanation why or why not to use what. I wanna understand why I'm putting the part on not just bc someone said to. Thanks in advance.
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Old 06-18-2014, 06:02 PM   #2
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Do you have the heads already?

Now with the cleveland I know they got cooling problems and my builder has said that .030 over was too much but again I do not have the upmost info on them.

Any big bore build I would use a single plane.

Who is building it for you?

Also with a custom cam, the grinder will have some input also so pick his brain .

Sorry not a ton of answers and some more questions LOL.
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Old 06-18-2014, 07:01 PM   #3
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I talked to andy jenson which is a very well engine builder for my area. Prob the best around here and I talked to another machinist that's big on fords and said going .30 over would be alright but anything past that and anything past a 4 inch stroke would hurt my reliability. I am having a shop near me do the machine work and I'll be assembling it myself for the most part. The rotating assembly I'm gonna have the shop do it bc I'm gonna have it balanced and what not. And I don't have heads yet but there's not a huge selection for cleveland aftermarket.
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Old 06-19-2014, 07:46 AM   #4
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I know Trickflow has some heads and they look scary.
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Old 06-19-2014, 08:56 AM   #5
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I looked into aftermarket heads for it but some people say the main thing you're gaining with aftermarket over cleveland is less weight and not too much flow. Not sure how true that holds tho
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Old 06-19-2014, 09:09 AM   #6
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I looked into aftermarket heads for it but some people say the main thing you're gaining with aftermarket over cleveland is less weight and not too much flow. Not sure how true that holds tho
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Old 06-19-2014, 09:42 AM   #7
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I looked into aftermarket heads for it but some people say the main thing you're gaining with aftermarket over cleveland is less weight and not too much flow. Not sure how true that holds tho
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Old 06-19-2014, 01:38 PM   #8
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I looked into aftermarket heads for it but some people say the main thing you're gaining with aftermarket over cleveland is less weight and not too much flow. Not sure how true that holds tho
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Old 06-19-2014, 02:53 PM   #9
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My bad for that getting posted 3 times my phone glitched out
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