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Old 04-03-2014, 11:54 AM
phatboy72 phatboy72 is offline
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Default why stroke it?

The engine that is

What is the hp difference in a lets say 10-1 comp engine with dv3e reworked heads and basically similar setups but one is a 460 and the other is a stroked like 513 or 557 or 532ci engine?
im just wondering if theres a big enuff difference in hp n tourque numbers to make the xtra stroker money worth the while. Tnx, PB72
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Old 04-03-2014, 01:18 PM
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Quote:
Originally Posted by phatboy72 View Post
The engine that is

What is the hp difference in a lets say 10-1 comp engine with dv3e reworked heads and basically similar setups but one is a 460 and the other is a stroked like 513 or 557 or 532ci engine?
im just wondering if theres a big enuff difference in hp n tourque numbers to make the xtra stroker money worth the while. Tnx, PB72
answer from a question. Why do the chevy guys go with a 454 instead of a 396?
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Old 04-03-2014, 01:31 PM
rmcomprandy rmcomprandy is offline
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Quote:
Originally Posted by phatboy72 View Post
The engine that is

What is the hp difference in a lets say 10-1 comp engine with dv3e reworked heads and basically similar setups but one is a 460 and the other is a stroked like 513 or 557 or 532ci engine?
im just wondering if theres a big enuff difference in hp n tourque numbers to make the xtra stroker money worth the while. Tnx, PB72
Maximum horsepower will be about the same but, the torque output will mirror the stroke percentage increase.
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Old 04-03-2014, 01:58 PM
DeepRoots DeepRoots is offline
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for myself..... the answer is simple.
If I had to rebuild a 429/460, the cost of reconditioning 40 year old parts is getting close to a stroker rotating assembly.
So instead of a 429, why not a 521? In a street car to me this means I could make more power in a tamer vehicle. Seems like a win-win situation.

Probably the same reason I'd buy alum SCJ heads instead of paying for a full rebuild of some D0VE heads.
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Old 04-03-2014, 03:05 PM
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It's all about putting the power where you need it.

High RPM use won't necessarily benefit from an increase in displacement, as increasing the stroke increases friction and the stress on the parts relative to RPM..

Low RPM power on the other hand is much more easily attained with additional displacement, as the friction/stresses don't play as big of a role.

Airflow capacity will also factor into how much displacement you can run with pumping losses becoming an issue at higher rpms.....meaning an airflow restricted engine will be able to rev higher with less displacement.



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Old 04-03-2014, 03:47 PM
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Because ... "There is NO Replacement for Displacement" !!!
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Old 04-03-2014, 03:48 PM
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Because ... "There is NO Replacement for Displacement" !!!
Except RPM and compression.


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Old 04-03-2014, 05:35 PM
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I'll still take a 13.5-1 CR 8,000 RPM 557 over a 13.5-1 CR 8,000 RPM 460 Any Day !!!
But that's me !!!

"No Replacement for Displacement" !!! LOL
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Old 04-03-2014, 06:35 PM
rmcomprandy rmcomprandy is offline
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Quote:
Originally Posted by k062693w View Post
I'll still take a 13.5-1 CR 8,000 RPM 557 over a 13.5-1 CR 8,000 RPM 460 Any Day !!!
But that's me !!!

"No Replacement for Displacement" !!! LOL
Unless you have unrestricted intake and exhaust ... you will most likely be the loser but, you can satisfy your probable need for brute torque. LOL

8,000 RPM 557...? Really...?
Realistically, that would be about the same as a 9,400 RPM 460.
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Last edited by rmcomprandy; 04-03-2014 at 06:40 PM.
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Old 04-03-2014, 07:10 PM
cparksjr cparksjr is offline
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I was going to say "because it feels good" but that might not be appropriate.

I think someone else already basically said the same thing, but no substitute for cubic inches.
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Old 04-03-2014, 07:34 PM
Mark O'Neal Mark O'Neal is offline
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Quote:
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Because ... "There is NO Replacement for Displacement" !!!
Except on women.....


Categorical statements can get you in trouble.
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Old 04-04-2014, 09:26 AM
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Except on women.....


Categorical statements can get you in trouble.
Big Women need Love too !!! LOL
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Old 04-04-2014, 11:02 AM
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Big women will tell you there not fat, they are just big boned.........lol

Now 9,400 RPM 460............sure would sound good!!
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Old 04-04-2014, 11:32 AM
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Now 9,400 RPM 460............sure would sound good!!

Been there ... and it DOES.
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Old 04-04-2014, 11:35 AM
phatboy72 phatboy72 is offline
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Okay,
So two equally built motors with one more ccs will make the bigger cc engine more tourque and easier to handle? Tnx...PB72

Not trying to sound goofy but wondering
if the increase is worth the cost?

Last edited by phatboy72; 04-04-2014 at 11:42 AM.
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