new build need advice

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new build need advice

Post  70429scj on June 8th 2014, 10:22 pm

building a new motor with some restrictions. not looking to set the world on fire. heads are tfs streets flow numbers int .100-73 .200-156 .300-226 .400-291 .500-331 .600-345 .700-358 .800-377 exh .100-57 .200-112 .300 154 .400-192 .500-212 .600-236 .700-248 .800-260 questions are with these flow numbers were does the ci become a mute point. mechincal flat tappet cam only no hyd or solid roller. must run off 93 octane gas. would like to stay with a 4150 base style carb because we have the tfs intake already would change to a 4500 if its a deal breaker. want to make a honest 750hp. as always any input is appreciated.
Thanks,
Steve
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wow

Post  70429scj on June 11th 2014, 9:22 pm

no one has any thoughts on this.
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Re: new build need advice

Post  Larry T on June 11th 2014, 9:59 pm

you will start with a solid foundation such as a 4 bolt block Wink  you will have years of enjoyment out of it with out fear of it coming apart.
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Re: new build need advice

Post  dfree383 on June 11th 2014, 10:16 pm

If you're looking for that kind of hp on 93 better build it big as you can.

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dove

Post  70429scj on June 11th 2014, 10:22 pm

using the last one of my dove-a boss bulkhead blocks is one of the reasons for limiting the hp to 750. will use a steel crank not cast no matter what the ci ends up being. I tend to use heavier rods and pistons and not spin them as hard for reliability prefer scat crank and scat h-beam rods. I guess what i'm trying to say is I will spend the money for the better parts and not run the motor on the ragged edge all the time for relibilty and longevity. however you spell it!!
Thanks,
Steve
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Re: new build need advice

Post  70FB on June 11th 2014, 11:18 pm

730 hp here on a d3 block. Over 100 passes and I dog the hell out of it. Next will be an aftermarket block. I'll have to find some money though.
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Re: new build need advice

Post  70FB on June 11th 2014, 11:19 pm

dfree383 wrote:If you're looking for that kind of hp on 93 better build it big as you can.

x2^^^^
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heads

Post  70429scj on June 11th 2014, 11:42 pm

will the heads in original post flow enough to get the job done on a 557 ?
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Re: new build need advice

Post  69F100 on June 12th 2014, 12:44 pm

70429scj wrote:will the heads in original post flow enough to get the job done on a 557 ?


My 552 with a429cj heads is making close to what you are looking for but I am turning mine 7000 and it has 14.7 cr
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