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Information on NASCAR / road race Max Wedge engines #2981550
11/04/21 02:25 AM
11/04/21 02:25 AM
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Perth, Western Australia
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Shoominati23 Offline OP
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Hi all

I am just wondering if anyone has any good (factual) information (pictures PLEASE) on the single 4 barrel 413 and 426 Max Wedge engines that ran in NASCAR between 1962 and 64 (before the Hemi came out, which is everyone's main focus obviously, and it seems the MW just plain got glossed over after the race hemi dropped) And they may have run in any road racing classes like SCCA when new.
I am specifically looking for data on the intakes, blocks and heads used in these engines, it is easy to find info on the 2 x 4 barrel Super Stock MW engines and the units used in drag racing, but any circuit racing stuff seems pretty scant, or the threads are from 15+ years ago and the pictures and gone / links are dead. I did find one 2406185 nascar intake in my search.
Infact, it would probably be easier to find information on the African Violet, which are arguably amongst some of the toughest flower to grow - and require the right amount of daylight almost down to the minute in order for the plant to flower.. I'm just looking for some info on some damn old obsolete motor shruggy help

Last edited by Shoominati23; 11/04/21 02:26 AM. Reason: missed word
Re: Information on NASCAR / road race Max Wedge engines [Re: Shoominati23] #2981691
11/04/21 02:48 PM
11/04/21 02:48 PM
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bump

I'll get started on researching the African violet as this thread evolves. grin

I have always wondered if the long ram intakes where ever used competively in the early days.

I watched Mopars compete in Nascar in the years you are asking about, but never saw with a hood opened.


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: Information on NASCAR / road race Max Wedge engines [Re: Shoominati23] #2981694
11/04/21 02:55 PM
11/04/21 02:55 PM
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Oregon
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AndyF Offline
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I've seen a couple of 426W blocks that were cross bolted. That is the closest thing I've seen to a 426W NASCAR engine. Richard Petty is still alive, give him a call and see what he says.

Re: Information on NASCAR / road race Max Wedge engines [Re: AndyF] #2981696
11/04/21 02:57 PM
11/04/21 02:57 PM
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Maurice would be the person, but that's no longer possible. angel


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: Information on NASCAR / road race Max Wedge engines [Re: Shoominati23] #2981804
11/04/21 08:08 PM
11/04/21 08:08 PM
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Bend,OR USA
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I have a friend who has two of the original OEM, not NOS, Mopar 410 HP Magnezuim (SP?) single four barrel NASCAR legal at the time intake manifolds.
He had planned on using them on his 1964 426 M.W. Plymouth Savoy but never got around to doing that swap from the crossram and dual AFB shruggy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Information on NASCAR / road race Max Wedge engines [Re: Cab_Burge] #2981863
11/04/21 10:40 PM
11/04/21 10:40 PM
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Rogue River, OR
Jeremiah Offline
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The early 4 barrel intales were cast by drag master. I seem to remember them have a small base carter carb flange with an open plenum. Very short intake, really low like a ch4b. I always wanted to test that intake but all of my !W stuff is low deck. There was mention of that intake in a car craft or hot rod mag article featuring new aftermarket chrysler gear. I forget what year etc.

Thinking more on this wouldnt a big block powered car be too heavy for SCCA comp back then? I thought 63-66 were Darts for the road race stuff?

Last edited by Jeremiah; 11/04/21 10:51 PM.


Re: Information on NASCAR / road race Max Wedge engines [Re: Cab_Burge] #2981871
11/04/21 11:01 PM
11/04/21 11:01 PM
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I don't have much to add to this. When nascar was in the process of phasing out the big blocks the Petty team would qualify with a wedge, and then race with a Hemi.I guess with the restrictions placed on the Hemi, the max wedge was a little stronger. And the Hemi was thought to be more reliable for the 500 mile events. There's a photo in stock car racing magazine showing one of the wedge engines on a wagon in the paddock. You can clearly see the cross-bolts for the main caps. I believe they were using Hemi blocks, with pistons to suit the max wedge heads. I think this may have been in 1973. And the pics from Chryslers disc brake test at Martinsville also show a wedge under the hood of the Plymouth.
The Charger that raced at Lemans in 1976 also had a wedge under the hood at times. So I guess the Max had two careers in stock cars, pre Hemi, and post Hemi!

Re: Information on NASCAR / road race Max Wedge engines [Re: geo.] #2981896
11/05/21 01:31 AM
11/05/21 01:31 AM
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So Cal
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The 1974 petty enterprises catalog shows all the RB engine parts. (Edit- RB blocks)

I think the heads are max wedge ports?


Last edited by autoxcuda; 11/05/21 01:06 PM.
Re: Information on NASCAR / road race Max Wedge engines [Re: autoxcuda] #2982042
11/05/21 12:33 PM
11/05/21 12:33 PM
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Rogue River, OR
Jeremiah Offline
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They made MW low deck intakes?



Re: Information on NASCAR / road race Max Wedge engines [Re: Jeremiah] #2982044
11/05/21 12:38 PM
11/05/21 12:38 PM
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Perth, Western Australia
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Shoominati23 Offline OP
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Shoominati23  Offline OP
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Perth, Western Australia
Originally Posted by Jeremiah
The early 4 barrel intales were cast by drag master. I seem to remember them have a small base carter carb flange with an open plenum. Very short intake, really low like a ch4b. I always wanted to test that intake but all of my !W stuff is low deck. There was mention of that intake in a car craft or hot rod mag article featuring new aftermarket chrysler gear. I forget what year etc.

Thinking more on this wouldnt a big block powered car be too heavy for SCCA comp back then? I thought 63-66 were Darts for the road race stuff?


I'm not too sure about the names of the competition associations, but the 'lightweight' fairlane & galaxie thunderbolts raced in the early 60s and they were in excess of 1700kg!

Re: Information on NASCAR / road race Max Wedge engines [Re: Shoominati23] #2982050
11/05/21 12:46 PM
11/05/21 12:46 PM
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Rio Linda, CA
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The 2406185 single-four intake was a full valley cover, there was also one that wasn't a full valley cover but had the MW ports.

MAX_Wedge_Intake_2406185.jpg

The INTERNET, the MISinformation superhighway
Re: Information on NASCAR / road race Max Wedge engines [Re: Shoominati23] #2982057
11/05/21 01:11 PM
11/05/21 01:11 PM
Joined: Jan 2003
Posts: 27,467
So Cal
autoxcuda Offline
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Originally Posted by Shoominati23
Hi all

I am just wondering if anyone has any good (factual) information (pictures PLEASE) on the single 4 barrel 413 and 426 Max Wedge engines that ran in NASCAR between 1962 and 64 (before the Hemi came out, which is everyone's main focus obviously, and it seems the MW just plain got glossed over after the race hemi dropped) And they may have run in any road racing classes like SCCA when new.
I am specifically looking for data on the intakes, blocks and heads used in these engines, it is easy to find info on the 2 x 4 barrel Super Stock MW engines and the units used in drag racing, but any circuit racing stuff seems pretty scant, or the threads are from 15+ years ago and the pictures and gone / links are dead. I did find one 2406185 nascar intake in my search.
Infact, it would probably be easier to find information on the African Violet, which are arguably amongst some of the toughest flower to grow - and require the right amount of daylight almost down to the minute in order for the plant to flower.. I'm just looking for some info on some damn old obsolete motor shruggy help


They ran in NASCAR and USAC.

Never seen any reference to SCCA full bodied cars. There were a couple of Hemi Can-Am/USSAC Powered race cars. The Husain and the McKee Plymouth. I don’t believe either had any success.

Last edited by autoxcuda; 11/05/21 01:12 PM.






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