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Messages - Blackmamba

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FE Technical Forum / Re: Recommended 390 build for obnoxious street strip 1970 f250
« on: July 04, 2022, 12:14:51 PM »
Thanks for all the great info. I don’t plan on getting an aftermarket block, so that route is not option. Which leaves me with a 445, or a possibly a stock 390 stroke.  If one was to use a stock 390 block, crank, rods and pistons. With a set of trick flow heads, good matching cam,  could you get it into the 500hp range? And would this in theory hold up better to abuse comparative to a 445?

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FE Technical Forum / Re: Recommended 390 build for obnoxious street strip 1970 f250
« on: July 03, 2022, 07:12:46 PM »
Thanks for the info. Being that I’m not conservative with my right foot, I’d agree to go with something that has a better chance of holding together for longer.  How much power would I be sacrificing if I used the existing edelbrock rpm 7105 manifold that I already have available for use?

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FE Technical Forum / Re: Recommended 390 build for obnoxious street strip 1970 f250
« on: July 02, 2022, 11:54:35 AM »
Thanks for that info Brent, maybe it would be wise to scrap the procharger idea. I’d prefer to use the stock block that I have available. Out of curiosity what is the weak link on the block? Would the stock block be ok with around 600hp naturally aspirated and adding the occasional 100-150hp shot of nitrous?

Brent if you don’t mind sharing build list for a 600hp range engine that I’m looking to build that would be awesome. Would most likely be going they you for the parts being that I see from this forum you are a wealth of knowledge.

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FE Technical Forum / Recommended 390 build for obnoxious street strip 1970 f250
« on: July 02, 2022, 02:25:32 AM »
I am new to the forum and am seeking advise from the FE gurus. I am relatively mechanically inclined and have done a few basic SBC rebuilds many moons ago. I have a very rough looking 1970 f250 the “blackmamba” which I have fell in love with it character and would like to build up for a strong running street/ strip ride.

I have a donor 390 and c6 trans from another 1971 truck that I will be using for the build.  I plan on posting the build in the correct forum sub section in hopes to seek advise as the build progresses and also share the build with others.

I’d like to get into the 600hp range on pump gas but also have the ability to have the option of a procharger power adder and get another 100-150 hp.

I’m seeking help in compiling a parts lists to achieve this goal. From my internet surfing I’m liking the idea of a 445 and also using set of trick flow heads.

I have the donor 390 which has a edlebrock rpm manifold and looks to be new set of jegs stainless adjustable rocker arms.

Any guidance is much appreciated, I’m just barely smart and humble enough to know that it’s always best to seek advise from other that have been there done that and got the T-shirt.

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