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what is faster big block chevy or mopar? #486251
10/02/09 05:23 PM
10/02/09 05:23 PM
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moparmafia Offline OP
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using factory block and heads and no power adder what would be faster? big block mopar or chevy? not including a hemi because we all know nothing can beat a hemi. i know the chevy heads flow a ton more air but what else plays into it? the best we can get a factory wedge head to flow that i have ever seen was around 315 cfm. the chevy guys routinely get 375 from factory heads.

Re: what is faster big block chevy or mopar? [Re: moparmafia] #486252
10/02/09 05:31 PM
10/02/09 05:31 PM
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Cleveland Ohio
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Just look at the fastest cars list from the 60's and 70's when these car were stock.

Kinda like asking whats heavier a ton of feathers or a ton of bricks

Re: what is faster big block chevy or mopar? [Re: 10secGTX] #486253
10/02/09 05:39 PM
10/02/09 05:39 PM

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I knew a couple of ls6 chevelles that would beat a big block mopar and your unbeatable hemi no problem..

Re: what is faster big block chevy or mopar? #486254
10/02/09 05:54 PM
10/02/09 05:54 PM
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Quote:

I knew a couple of ls6 chevelles that would beat a big block mopar and your unbeatable hemi no problem..




yea and I know a few small block mopars that would hand them their rears. you need to take your GM loving ass back where you came from.

Re: what is faster big block chevy or mopar? [Re: Quicktree] #486255
10/02/09 05:55 PM
10/02/09 05:55 PM
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owt west
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Quote:

Quote:

I knew a couple of ls6 chevelles that would beat a big block mopar and your unbeatable hemi no problem..




yea and I know a few small block mopars that would hand them their rears. you need to take your GM loving ass back where you came from.



Re: what is faster big block chevy or mopar? [Re: Quicktree] #486256
10/02/09 05:56 PM
10/02/09 05:56 PM
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Rittman Ohio
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Quote:

Quote:

I knew a couple of ls6 chevelles that would beat a big block mopar and your unbeatable hemi no problem..




yea and I know a few small block mopars that would hand them their rears. you need to take your GM loving ass back where you came from.



He would but his momma doesn't want him anymore
Gus


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493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
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Post deleted by Defbob [Re: fourgearsavoy] #486257
10/02/09 05:59 PM
10/02/09 05:59 PM

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Re: what is faster big block chevy or mopar? [Re: Quicktree] #486258
10/02/09 06:11 PM
10/02/09 06:11 PM
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Quote:

Quote:

I knew a couple of ls6 chevelles that would beat a big block mopar and your unbeatable hemi no problem..




yea and I know a few small block mopars that would hand them their rears. you need to take your GM loving ass back where you came from.


Quicktree...

Re: what is faster big block chevy or mopar? [Re: moparmafia] #486259
10/02/09 06:16 PM
10/02/09 06:16 PM
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Illinois, Indiana, Louisiana
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I think the answer to that question would lie in the NHRA records. Since the stock/super stock cars are required to have "stock" parts, check the NHRA rules for which motors/parts were rated highest. I think you'll find the 440-6 cars were fairly dominate in the faster classes.

Re: what is faster big block chevy or mopar? #486260
10/02/09 06:23 PM
10/02/09 06:23 PM
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PORT ALBERNI , BC., CANADA
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Quote:

on the street a hemi could not run with 6 pac


You're dead right on that one Fred!!!
I still have my Hemi Satellite, and I know a couple of 6 pack cars that got me on the street...could usually catch them after about a 1/8th mile, but those wedges usually out run me thru 1st and 2nd.

Re: what is faster big block chevy or mopar? [Re: ProStDodge] #486261
10/02/09 06:27 PM
10/02/09 06:27 PM
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acworth / N. georgia - south e...
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you have to understand the totality of your question..
comparing a big block chevy to a big block mopar.
is like apples and oranges...its a clique, i know..
but the though process that went into designing both of these engines couldnt be more different.

mopar uses a long rod with lots of piston dwell..
and slower piston speeds..thats whey the head ports are where they are.
chevies have short rods. fast piston speeds and this means they need a ton of volume in the head port to fill the cyl quickly..
they make power differntly ..
you cant complain about a mopar head being smaller than a chevy...dont compare it to a chevy..
i am not saying one is better...just that they are different for a reason...engineer'd
its like using a gutter pipe for a garden hose..
or a garden hose for a gutter pipe..
just the wrong application.
cheapst
now as far as which mopar is faster...? thats never gonna end..
as a teenager i owned a 396 chevelle..all my friends had big block chevelles.
the fastest my chevelle ever went was 14.60 and that was a street car..
i purchased a 340 duster(still own it) and when i brought it out...all my chevy buddies gave me a real hard time...and i mean a ribbing..
it never ended...
especially after that 340 ran a 13.00flat..
faster then every single chevelle except one in the group..
with very little mods it was low 12 sec car.
so all in all ...its relative to what your camparing to...
cheapst


365" Iron J heads,,3480lbs best 1.39 60ft on SS springs.10.54,124 mph ...6.67 1/8th et.average 60fts 1.46 w/ small cam &.063 no2 pill tagged & insured
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Re: what is faster big block chevy or mopar? [Re: Quicktree] #486262
10/02/09 06:45 PM
10/02/09 06:45 PM

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Quote:

Quote:

I knew a couple of ls6 chevelles that would beat a big block mopar and your unbeatable hemi no problem..




yea and I know a few small block mopars that would hand them their rears. you need to take your GM loving ass back where you came from.




Big deal i've owned/own a few small blocks that would kick they're asses too but the question is about BIG BLOCKS...so kiss my small block loving butt..

Re: what is faster big block chevy or mopar? [Re: 10secGTX] #486263
10/02/09 06:49 PM
10/02/09 06:49 PM
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Bitopia
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Quote:

Kinda like asking whats heavier a ton of feathers or a ton of bricks




Depends whether I'm standing under them.


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Post deleted by Defbob [Re: jcc] #486264
10/02/09 07:01 PM
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Re: what is faster big block chevy or mopar? [Re: jcc] #486265
10/02/09 07:07 PM
10/02/09 07:07 PM
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Flint, Michigan
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This is one of those emotionally charged debates that never gets resolved. my .02 on paper the Chevy wins. But in the real world that did'nt always happen...if you look at the HP ratings, they are pretty much the same. Due to the small port heads, the Mopars and even the Stage I Buicks had an advantage in low RPM TQ which is important on the street. Sm blocks in light cars like Dusters could indeed beat the heavy BB Chevelles.

Re: what is faster big block chevy or mopar? [Re: moparmafia] #486266
10/02/09 07:11 PM
10/02/09 07:11 PM
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Sk. Canada
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Quote:

using factory block and heads and no power adder what would be faster? big block mopar or chevy? not including a hemi because we all know nothing can beat a hemi. i know the chevy heads flow a ton more air but what else plays into it? the best we can get a factory wedge head to flow that i have ever seen was around 315 cfm. the chevy guys routinely get 375 from factory heads.


For starters, the Hemi is a big block....
Secondly, If you're going to talk about the one of none high-end, solid cammed, 12 to 1 BBCs,,,, then you must include the original fastest cars on the planet.. the super stock Dodges. I don't know how well a 70 chevelle would hold against a 64 330 MW car??

Re: what is faster big block chevy or mopar? [Re: 10secGTX] #486267
10/02/09 07:31 PM
10/02/09 07:31 PM
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Baltimore/Denver
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Quote:

Kinda like asking whats heavier a ton of feathers or a ton of bricks




Well, technically if the feathers were weighed using the British long ton and the bricks were weighed with the avoirdupois system the feathers would weigh more.

Just sayin'...

Re: what is faster big block chevy or mopar? [Re: moparmafia] #486268
10/02/09 07:33 PM
10/02/09 07:33 PM
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oklahoma
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One thing to keep in mind is that in stock form 440s, both Magnums and Six Paks, were pretty mild engines. The Hemi was expected to take care of the more radical BBCs, like ZL-1s, LS6s and L88s. So it's pretty cool that a 10:1, hydraulic cammed 440 could often hang with an 11:1 solid cammed, rectangular port Rat motor.

Re: what is faster big block chevy or mopar? [Re: cheapstreetdustr] #486269
10/02/09 07:33 PM
10/02/09 07:33 PM
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organ
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Quote:

its a clique, i know..



we're a clique, that's a cliche.


for what is the good life if not doing things thoughtfully?
Re: what is faster big block chevy or mopar? [Re: forphorty] #486270
10/02/09 07:52 PM
10/02/09 07:52 PM
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Flint, Michigan
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Quote:

One thing to keep in mind is that in stock form 440s, both Magnums and Six Paks, were pretty mild engines. The Hemi was expected to take care of the more radical BBCs, like ZL-1s, LS6s and L88s.




Thats a very good point (and true). So its almost a moot point as to wether or not a Rat could beat a 440.

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