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Mopar Muscle dyno tests /s
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bobd
2 BBL ''SuperSix''


Joined: 16 Dec 2011
Posts: 21
Location: Seattle, WA

Post subject: Mopar Muscle dyno tests /s (Thu May 18, 2017 5:52 pm) Reply with quote

Some of you might find this article interesting. It dyno tests a mix of intakes, carbs and exhaust on an aluminum 225. Mopar Muscle by Steve Magnante.

www.hotrod.com/articles/slant-sickness-add-77-hp-mopar-slant-six/

Enjoy....


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jcc
TBI Slant 6


Joined: 04 Jun 2015
Posts: 114
Location: Florida

Post subject: (Fri May 19, 2017 6:35 am) Reply with quote

Thank you, I enjoyed that very much, a slant gets a little press and deserved respect


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coconuteater64
Turbo EFI


Joined: 12 May 2008
Posts: 1216
Location: North Georgia

Post subject: (Fri May 19, 2017 7:03 am) Reply with quote

Excellent article! I wish they'd gotten one more dyno pass.



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J S Goldman
TBI Slant 6


Joined: 05 Dec 2005
Posts: 110
Location: Long Island New York

Post subject: /6ness lives!!!! (Fri May 19, 2017 7:33 am) Reply with quote

Love it!!@


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rich006
TBI Slant 6


Joined: 23 Sep 2013
Posts: 141
Location: Annapolis, Maryland

Post subject: (Fri May 19, 2017 8:44 am) Reply with quote

Has anyone tried the distributor they used, the DUI Tri-Power? It has a GM HEI-type ignition controller mounted right on the side, a 45,000V coil (for 0.055" plug gaps), and a custom vacuum advance curve all in one package.


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Reed
Supercharged


Joined: 03 Nov 2002
Posts: 13166
Location: Fircrest, WA

Post subject: (Fri May 19, 2017 12:37 pm) Reply with quote

rich006 wrote:
Has anyone tried the distributor they used, the DUI Tri-Power? It has a GM HEI-type ignition controller mounted right on the side, a 45,000V coil (for 0.055" plug gaps), and a custom vacuum advance curve all in one package.


Uh, did you see the price tag? $309? You can buy a NOS distributor from Old Car Parts Northwest for $90, a NEW HEI module for about $20, and an E-core coil for another $20-40. $309 seems overpried, and who knows what advance curve you get with NO vacuum advance. DU-I won't buy it.


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DadTruck
Turbo EFI


Joined: 17 Sep 2008
Posts: 2235
Location: Indianapolis

Post subject: (Fri May 19, 2017 1:42 pm) Reply with quote

interesting article, just wonder why they chose an aluminum block with obvious designed in head gasket sealing issues for an all out dyno test,, guessing they got the afternoon off after the engine destructed.
Note: the HP and TQ are at the flywheel with no accessories, the water pump was aux driven.


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62 alum
3 Deuce Webber


Joined: 25 Oct 2004
Posts: 97
Location: Kansas City Kansas

Post subject: (Fri May 19, 2017 7:06 pm) Reply with quote

Bobd. Thanks for the post, I did enjoy.


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SlantSixDan
Board Sponsor & Contributor


Joined: 31 Oct 2002
Posts: 24441
Location: North America

Post subject: (Fri May 19, 2017 8:09 pm) Reply with quote

rich006 wrote:
Has anyone tried the distributor they used


I'll grant you the electronic vacuum advance is potentially nifty, but other than that this distributor is massively overpriced Chinese dreck, physically not configured well for a Slant-6 (module location) and fraudulently described by its marketer -- the kind of part that tends to get extra-super-happy "reviews" in magazine articles, because magazines exist to put advertisements in front of receptive eyes.

As for the rest of the artlce: I'm still on page 1 and I've already found two basic errors of fact.

UPDATE: Five errors of fact.

UPDATE: Six.

UPDATE: Seven. They couldn't even be bothered to check and make sure they got the Dutra Duals website URL correct, which they very much did not—the nonexistent link they give goes nowhere. Real professional. Rolling Eyes



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EC_CO
4 BBL ''Hyper-Pak''


Joined: 13 Jul 2013
Posts: 32
Location: Denver, CO

Post subject: (Sat May 20, 2017 7:02 am) Reply with quote

nice to see the slant get some love, but as Dan said a bit disappointing on a couple things. 'the NEW Dutra Duals' ..... how many years has Doug been making them now?



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jcc
TBI Slant 6


Joined: 04 Jun 2015
Posts: 114
Location: Florida

Post subject: (Sun May 21, 2017 3:40 am) Reply with quote

I'm curious, is there an alum block head gasket improvement on the OEM block, if budget was almost unlimited, and if so, what?
And reporting a count total only on errors of fact about an article, with little or no explanation, seems like an internet hit and run tactic, and appears only to be self promoting.


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Dart270
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Joined: 21 Oct 2002
Posts: 12257
Location: Blacksburg, VA

Post subject: (Sun May 21, 2017 4:07 am) Reply with quote

Well... Props to Steve for doing all this work on our motors. No magazine (or other news) article I have been involved with has been fully factually accurate. That is (almost always) just the nature of the beast.

Cool article and nice back to back comparisons. That is a lot of work, and yes,too bad about the head gasket...

There is an Alum engine MLS head gasket that is ready for testing, but needs time for me/us to get a motor together. If you want to try one, it is about $300 for a single. A friend and I got together to get this custom made (mostly work by friend). No, it is not Cometic and yes it is totally untested at this point.

Lou



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CNC-Dude
Turbo EFI


Joined: 20 Feb 2010
Posts: 1150
Location: N. Ga.

Post subject: (Sun May 21, 2017 10:40 am) Reply with quote

Didn't realize until I read the whole article that I got some ink for my copper intake/exhaust gasket they used in the testing.



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SlantSixDan
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Joined: 31 Oct 2002
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Location: North America

Post subject: (Sun May 21, 2017 11:38 am) Reply with quote

jcc wrote:
reporting a count total only on errors of fact about an article, with little or no explanation, seems like an internet hit and run tactic, and appears only to be self promoting.


It's not my circus, not my monkeys, and not my job to clean up after Hot Rod's sloppy mess. Still, I would've been happy to write 'em out longhand for you—too bad about your manners. Shrug



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Last edited by SlantSixDan on Sun May 21, 2017 11:52 am; edited 1 time in total
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Reed
Supercharged


Joined: 03 Nov 2002
Posts: 13166
Location: Fircrest, WA

Post subject: (Sun May 21, 2017 11:50 am) Reply with quote

I also noticed they did all that work and used a pre-68 head with the non-redesigned combustion chamber. They also did the stock exhaust manifold testing with a single noodle pipe that doesn't even look to be 2 inches in diameter. That is giving away efficiency and power.


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