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#486251 - 10/02/09 03:23 PM what is faster big block chevy or mopar?
moparmafia Offline
mopar

Registered: 01/01/07
Posts: 465
Loc: Ky
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.

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#486252 - 10/02/09 03:31 PM Re: what is faster big block chevy or mopar? [Re: moparmafia]
10secGTX Offline
top fuel

Registered: 05/11/03
Posts: 1995
Loc: Cleveland Ohio
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

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#486253 - 10/02/09 03:39 PM Re: what is faster big block chevy or mopar? [Re: 10secGTX]
Anonymous
Unregistered


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

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#486254 - 10/02/09 03:54 PM Re: what is faster big block chevy or mopar?
Quicktree Offline
I Win

Registered: 01/20/03
Posts: 32204
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.

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#486255 - 10/02/09 03:55 PM Re: what is faster big block chevy or mopar? [Re: Quicktree]
Blue_Bomb Offline
master

Registered: 02/05/05
Posts: 2600
Loc: owt west
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.



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#486256 - 10/02/09 03:56 PM Re: what is faster big block chevy or mopar? [Re: Quicktree]
fourgearsavoy Offline


Registered: 12/07/04
Posts: 8226
Loc: Rittman Ohio
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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64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60

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#486257 - 10/02/09 03:59 PM Post deleted by Defbob [Re: fourgearsavoy]
Anonymous
Unregistered



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#486258 - 10/02/09 04:11 PM Re: what is faster big block chevy or mopar? [Re: Quicktree]
racerx Offline
top fuel

Registered: 08/10/08
Posts: 2183
Loc: Mo.
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...

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#486259 - 10/02/09 04:16 PM Re: what is faster big block chevy or mopar? [Re: moparmafia]
ProStDodge Offline
master

Registered: 12/20/03
Posts: 2573
Loc: Illinois, Indiana, Louisiana
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.
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#486260 - 10/02/09 04:23 PM Re: what is faster big block chevy or mopar?
superwrench Online   content
top fuel

Registered: 10/17/03
Posts: 2461
Loc: PORT ALBERNI , BC., CANADA
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.
_________________________

66 SATELLITE 426 HEMI
71 CHALLENGER 496 6PAK R/T
68 GTX 440 AUTO
07 3500 Ram CTD
07 CHARGER
54 DODGE 1/2 ton PU

New best of 6.71 103.80 MPH in the 1/8th
And 10.81 123.84 MPH in the 1/4

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#486261 - 10/02/09 04:27 PM Re: what is faster big block chevy or mopar? [Re: ProStDodge]
cheapstreetdustr Offline
super gas

Registered: 02/12/04
Posts: 6216
Loc: acworth / N. georgia - south e...
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
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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 [image][/image]

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#486262 - 10/02/09 04:45 PM Re: what is faster big block chevy or mopar? [Re: Quicktree]
Anonymous
Unregistered


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..

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#486263 - 10/02/09 04:49 PM Re: what is faster big block chevy or mopar? [Re: 10secGTX]
jcc Offline
I Live Here

Registered: 12/21/03
Posts: 14045
Loc: Ethereal
Quote:

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




Depends whether I'm standing under them.
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“Strong minds discuss ideas, average minds discuss events, weak minds discuss people.”
― Socrates

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#486264 - 10/02/09 05:01 PM Post deleted by Defbob [Re: jcc]
Anonymous
Unregistered



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#486265 - 10/02/09 05:07 PM Re: what is faster big block chevy or mopar? [Re: jcc]
B1Fish540 Offline
master

Registered: 09/04/08
Posts: 2840
Loc: Flint, Michigan
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.
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#486266 - 10/02/09 05:11 PM Re: what is faster big block chevy or mopar? [Re: moparmafia]
RemCharger Offline
master

Registered: 11/15/04
Posts: 2818
Loc: Sk. Canada
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??
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67 Charger 383 122.5 mph.

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#486267 - 10/02/09 05:31 PM Re: what is faster big block chevy or mopar? [Re: 10secGTX]
64Post Offline
master

Registered: 08/18/03
Posts: 8472
Loc: Baltimore/Denver
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'...
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#486268 - 10/02/09 05:33 PM Re: what is faster big block chevy or mopar? [Re: moparmafia]
forphorty Offline
super stock

Registered: 11/26/06
Posts: 1112
Loc: oklahoma
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.

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#486269 - 10/02/09 05:33 PM Re: what is faster big block chevy or mopar? [Re: cheapstreetdustr]
maximum entropy Offline
Card Carrying Beggar

Registered: 02/08/07
Posts: 4993
Loc: organ
Quote:

its a clique, i know..



we're a clique, that's a cliche.
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for what is the good life if not doing things thoughtfully?

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#486270 - 10/02/09 05:52 PM Re: what is faster big block chevy or mopar? [Re: forphorty]
B1Fish540 Offline
master

Registered: 09/04/08
Posts: 2840
Loc: Flint, Michigan
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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