Big cube n/a combo's

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01-17-2015, 03:50 PM

#21

14 apache

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[ATTACH=CONFIG]535793[/ATTACH]I think if you are running vacuum on your engine you might run into starving your valve guides of oil. I am running 15" of vacuum with dry sump pump on my engines and I sealed off the lifter valley from the crank case so the valve guides don't get starved has a pick up in the lifter valley for oil. Are you running piston oilers? Might want to have them to keep the pistons cool since there will be less oil splash.

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Last edited by 14 apache; 01-17-2015 at 03:54 PM.

01-17-2015, 03:53 PM

#22

Unlimited jd

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Can you tell me more about the carb and intake? I haven't seen anything sub 7000 rpm make that power without dual carbs. I may be doing a 604 project, looking for 800-850. And was thinking I might have to run 2 850-950's on a tunnel ram.

01-17-2015, 03:57 PM

#23

14 apache

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Quote:

Originally Posted by lil red

Good heads the rite camshaft a single 4 could do it.
With headers.

01-17-2015, 04:00 PM

#24

14 apache

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Quote:

Originally Posted by lil red

Do you have room under your hatches for tunnel rams?

01-17-2015, 04:02 PM

#25

Black Baja

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Quote:

Originally Posted by lil red

EDelbrock SV-632 1150 ultra Dominator cnc porting. If you want less rpm to make the same horsepower you need more cubic inch and you will make more torque. A 632 with a conventional head will never go over 7000.I wouldn't build a 604.

01-17-2015, 04:03 PM

#26

GPM

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Quote:

Originally Posted by Black Baja

The rod/ crank angle doesn't bother me a bit. The piston speed scares the piss out of me. When I tore it down this time if I felt there was going to be any issue from the 4.750 crank I would have changed it. But it looked better than a 598 with a 6.635 rod in it so we are going to go with it despite the peanut gallery that has never built one b4.

I ran the 6.8 rod with the BB2, had to go with 6.7 for the Dukes in my 598. I wanted to build a 706 just for fun but ran out of steam. Run what you want, it's supposed to be fun.

01-17-2015, 04:07 PM

#27

Black Baja

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Quote:

Originally Posted by GPM

I ran the 6.8 rod with the BB2, had to go with 6.7 for the Dukes in my 598. I wanted to build a 706 just for fun but ran out of steam. Run what you want, it's supposed to be fun.

Haha. It is fun for the most part especially when you blow someone's doors off and they catch up with you later on and ask you what you have in the boat (no blower) and you tell them a stock 454 with a little bit of cam in it.