900 Horse on a 2 bolt bottom end? - 460 Ford Forum
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post #1 of 22 (permalink) Old 10-11-2015, 12:31 PM Thread Starter
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900 Horse on a 2 bolt bottom end?

Thoughts on a 2 bolt D1 full fill block with a 4340 crank, aluminum rods, forged dome pistons and A-460 heads turning about 7,200 RPM's? Between 800-900 Horse. Think it would last?
Rob

Rob Hawes-Anchorage Rod Works-Anchorage, Alaska

Last edited by White Lightning; 10-11-2015 at 01:37 PM.
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post #2 of 22 (permalink) Old 10-11-2015, 01:20 PM
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You know the answer to this Rob. It's a crap shoot. As Clint once asked...

"Do you feel lucky?"
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post #3 of 22 (permalink) Old 10-11-2015, 01:39 PM Thread Starter
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Yeah, I'd feel a lot more confident with 4 bolt centers, but all my D1 blocks don't have enough meat on the bulkheads to 4 bolt them. Anyone got any suitable D0 or D1 blocks sitting around that can be had for next to nothing??? Lol
Rob

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post #4 of 22 (permalink) Old 10-11-2015, 02:46 PM
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I think it will be fine as long as the tune up i safe, I do have a virgin D0VE block with the boss bulkhead
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post #5 of 22 (permalink) Old 10-11-2015, 03:41 PM Thread Starter
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Quote:
Originally Posted by butterbean View Post
I think it will be fine as long as the tune up i safe, I do have a virgin D0VE block with the boss bulkhead
Of COURSE you do! Lol I don't suppose you'd be willing to get rid of it would you?
Rob

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post #6 of 22 (permalink) Old 10-11-2015, 03:55 PM
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Mill the main caps flat and put a thick strap on them to slow down cap walk.
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post #7 of 22 (permalink) Old 10-11-2015, 04:36 PM Thread Starter
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Mill the main caps flat and put a thick strap on them to slow down cap walk.
Then I'm getting into the price range of another block that I CAN 4 bolt. Thanks for the suggestion though.
Rob

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post #8 of 22 (permalink) Old 10-11-2015, 08:41 PM
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Quote:
Originally Posted by White Lightning View Post
Thoughts on a 2 bolt D1 full fill block with a 4340 crank, aluminum rods, forged dome pistons and A-460 heads turning about 7,200 RPM's? Between 800-900 Horse. Think it would last?
Rob


have c9s making 800+ na,and d1s over 900+ , none filled, they all run 7500 to 8500rpm

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post #9 of 22 (permalink) Old 10-11-2015, 08:44 PM
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Quote:
Originally Posted by butterbean View Post
I think it will be fine as long as the tune up i safe, I do have a virgin D0VE block with the boss bulkhead
tune is the key

RICH
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post #10 of 22 (permalink) Old 10-11-2015, 09:23 PM
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I have personally seen 2 bolt block hold 1200 and still running.... mine should make around 750-800 when I throw the sink at it.

Tune up is where it's at for sure

Tag and ins it's a street car, how it gets there does it really matter?

Nobody's perfect but if u drive a ford your darn close.
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post #11 of 22 (permalink) Old 10-11-2015, 11:17 PM Thread Starter
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tune is the key
Rich, that's what's I wanted to hear.......the voice of experience.

Any one else?
Rob

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post #12 of 22 (permalink) Old 10-11-2015, 11:19 PM Thread Starter
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I have personally seen 2 bolt block hold 1200 and still running.... mine should make around 750-800 when I throw the sink at it.

Tune up is where it's at for sure
I'm tending to agree. Thanks.
Rob

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post #13 of 22 (permalink) Old 10-11-2015, 11:51 PM
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I'll just throw my 2 cents in here!!
Tune up AND balancing job are important. You can have what they call an "overbalance" done to the rotating assembly where it will be happy in the high RPM zone. Smoother, without vibrating everything to death!!

Also, either use stock type main bolts or of you use ARP studs, install sleeves on the studs, as they are smaller diameter than stock type bolts, and they allow the caps to move around, no matter how much clamping force you put on them.
You're better off to have the bolts or studs with sleeves fit very snug in the cap bolt holes.

As the world turns...I get more dizzy!
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post #14 of 22 (permalink) Old 10-12-2015, 05:19 AM
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Quote:
Quote:
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tune is the key
Serious question............what makes a good tune? (for all us dummies out there)
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post #15 of 22 (permalink) Old 10-12-2015, 08:18 AM Thread Starter
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Serious question............what makes a good tune? (for all us dummies out there)
A/F ratio and ignition timing......not a hint of detonation I'm thinking.
Rob

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