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Jan 6, 2004 | 11:19 AM

TruckGuy001

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Joined: Jul 2003

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From: calif. high desert

460 Redline

My '66 F-250 Camper Special has a '73 460. Just installed a tach.
and need to know the max rpm rating. As far as I know, it's all stock w/ 4bbl carb.
Thanks.

Jan 6, 2004 | 11:34 AM

airharley

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Joined: Nov 2001

Posts: 3,351

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From: Escondido, CA

5000 Max with a stock set up. It's all based upon the cam mainly.

Jan 6, 2004 | 11:37 AM

TruckGuy001

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From: calif. high desert

Thanks Mark...and you got that right about asking for permission!!!

Jan 6, 2004 | 04:28 PM

proeliator

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Posts: 8,238

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From: Oregon

I'd say these motors can tolerate 6k at max rpm. Seen 'em with stock rods spun to that all the time and hold together. Now, if yours is totally stock there isn't any reason in the world to spin it past 5k, as AirHarley said...but they will tolerate more.

Jan 6, 2004 | 07:08 PM

pro3qtr

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From: MT

Funny, I heard rod bolts are really weak.

Being a smog engine I would say very little HP above 4500.

So why stress the engine ?

Jan 6, 2004 | 10:39 PM

proeliator

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From: Oregon

I agree, what with his engine being what it is there isn't any point running it up past 4500-5k.....but I've seen stock rods last easily up to 6k. I've never heard the stock rods in these engines were "weak"...and most other racers I've talked too agree that they are good up to 6k. Not trying to be argumentative, just wondering where you got your info as I can always stand to learn something new.

BTW, I ran stock rods in a 460 for three seasons at 6k pulls with nary a problem. Not that thats where I base my info, just a testament.

Jan 7, 2004 | 08:13 AM

bogginf350

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Joined: Jan 2004

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From: Illinois

I have a 468 .040 over with keith black pistons. It is also balanced and it used to see 7000 quite often this was a stock class mud race motor. I used just 78 car rods that were shot peened and polised with arp bolts and never had a problem. Hey... you gotta live a little every now and then

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Jan 7, 2004 | 07:45 PM

pro3qtr

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Joined: Apr 2001

Posts: 503

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From: MT

Was refering to the stock rod bolts tend to be the weak spot, CJ/SCJ had a better bolts for strength.

So ARP rod bolts would be a wise up-grade.

When I dynoed my truck there was little HP being made above 5000 rpm's

Unless U drag race your truck reving the hell out of it is not wise.
(Refering to STOCK engine)

Hope that explains my post better, not a english major.
I will try better.