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More power outta 460 with good alum heads or stroker with iron heads?

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TorinoGT
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Lem Evans
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More power outta 460 with good alum heads or stroker with iron heads? - Page 2 Empty Re: More power outta 460 with good alum heads or stroker with iron heads?

Post  Bernie October 26th 2010, 10:11 pm

dfree383 wrote:
Bernie wrote:
schmitty wrote: In a lightweight car, you don't want to make too much tq and have nasty street manners. Cool

Speak for yourself...More power outta 460 with good alum heads or stroker with iron heads? - Page 2 Thefinger

how much faster you going to spin the tires on street pavement, with a 514 than a 460..... Laughing

Not as fast as you can spin them with a 598.


Oh come on, this is the only place I can be a kid Embarassed ... Just because you have it, doesn't mean you have to use it all at once.

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Post  dfree383 October 26th 2010, 10:15 pm

Laughing Laughing Thats true......
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Post  schmitty October 26th 2010, 10:29 pm

Very true that you don't have to use it, but sometimes the difference between using it and not is a very small window on the throttle, and that could mean the difference between making to the track in one piece and making it to the hospital in several. Cool
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Post  dfree383 October 26th 2010, 11:01 pm

With all the big hp numbers And big inches thrown around in magazines and on the Internet it amazing how desencitized we've become to how much is enough.

Example is Freiuburger over at hot rod throwing me under the bus over only building a 432" boss 429 rather than building say a 557.... Same cost and a bunch more power right?

But what they all fail to tell everyone is the cost of everything else that goes with the manly hp numbers.... Trans, rear, cooling, bla bla bla (read$$$$)

That motor made 700 hp at 10.5:1 with a flat tappet cam and a single 1050..... And I will tell you it would have absolutly punished any street tire made..... So how much is enough?

Ask Jon Kaase about his Boss powered Street Mustang.... He'll let you know...
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Post  TorinoGT October 27th 2010, 10:18 am

dfree383 wrote: So how much is enough?

...more horsepower than your friend has, *thats* enough! Smile

Shane
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Post  bigblok2000ranger October 30th 2010, 12:25 am

460= 600hp@~7000rpm's or 521=600hp@55-6000rpm's which one is gonna live longer? I think the stroker will live longer because of the lower rpm's to achieve the same power as the short stroke deal. The engine will be happier at lower rpms with a mild stroker. JMO so flame away!
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Post  DJOHAGIN October 30th 2010, 1:00 am

bigblok2000ranger wrote:460= 600hp@~7000rpm's or 521=600hp@55-6000rpm's which one is gonna live longer? I think the stroker will live longer because of the lower rpm's to achieve the same power as the short stroke deal. The engine will be happier at lower rpms with a mild stroker. JMO so flame away!

IMHO, they are both going to last the same. For a true "street" engine, the engine spends most of its time below 4000 rpm with short bursts to either 6 or 7 grand, so it's not like you're doing 6 or 7k sustained. If you want to get more technical, the piston speed of a 4.3 stroke at 6000 rpm is 4300 FPM, and a 460 at 7000 rpm is 4492 FPM, again, not much of a difference.

Again, IMHO. Smile

Dave

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Post  nuclearcobra October 30th 2010, 7:39 am

72mav wrote:Welcome.
And go to the proven builds section, or the top here on engine tech. Dave Ohagens build up stickeys listed will get you there.
A 472 .080 overbore X 3.85 stroke and DOVE heads should get you there economically.
Goodluck.
Al
Hey Al you mean .060 dont you Smile
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Post  Giska1 October 31st 2010, 9:25 pm

Lem Evans wrote:$784.95 each. heads are assemblied.


What is the price today, P51 ready to innstall Question
And SCJ price ?
Shipped to 18901 Pa
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Post  dfree383 November 1st 2010, 4:47 am

Giska1 wrote:
Lem Evans wrote:$784.95 each. heads are assemblied.


What is the price today, P51 ready to innstall Question
And SCJ price ?
Shipped to 18901 Pa

give Lem evans at BF Evans Ford a call, his number is listed on the main sheet.
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Post  mdross1 November 6th 2010, 8:24 am

My first choice on 460 was polished and ported iron heads,was Okay for a couple of years then knew there was more.Went with Aluminum motorsport heads, Performer RPM, 850 dbl pmp, Tubular Automotive headers,Wow! what a difference.

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Post  Giska1 November 6th 2010, 2:20 pm

P-51's 1150$ each, Lem sayes. And just a bit more into my acount and I will go for them Shocked Very Happy Then I have to build the bottom he he, I know I start at the wrong end, but 545 and P-51's will be ok for the streets here in Norway Very Happy
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