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Slant 6 Engine Dynoed
https://www.slantsix.org/forum/viewtopic.php?t=22244
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Author:  Turbine 225 [ Wed Mar 14, 2007 3:01 am ]
Post subject:  Slant 6 Engine Dynoed

I recently had a 3 day visit from Dart 270 to Australia,So i pre assembed a spare slant race engine so we could do a couple of days of engine dyno work.This was the fist time i had engine dynoed a N/A slant in about 10 years.
First run it pulled 333 HP & 330 ft lb & after the first cam change it made 347 HP & 344 ft lb. That was as good as it got as we ran out of cams & heads & Lou had a plane to catch.I now have a couple more cams & things to try wich will happen soon.
The engine runs 3 x 45 webers & 100 oct gasoline.

More to come :

Cameron

Author:  sick6 [ Wed Mar 14, 2007 5:03 am ]
Post subject: 

niiiiiiiiiiiiiiiiice!

:D

Author:  slantzilla [ Wed Mar 14, 2007 5:05 am ]
Post subject: 

Thanks for posting the info Cameron. :D

Author:  sandy in BC [ Wed Mar 14, 2007 6:48 am ]
Post subject: 

Thats quite the spare engine.......

Author:  Doc [ Wed Mar 14, 2007 9:05 am ]
Post subject: 

It sounds like I need to assemble some of my spares! :wink:
Can you give us more details, like compression and cam specs?
DD

Author:  Jopapa [ Wed Mar 14, 2007 11:21 am ]
Post subject: 

:shock:

Amazing. Makes me really want to start collecting parts for a race slant that I can swap back and forth with a mild daily driver slant.

Author:  NewLancerMan [ Wed Mar 14, 2007 11:45 am ]
Post subject: 

Cameron, Lou was telling me about this particular test this morning, and my jaw dropped, quickly replaced with a big smile. He was clearly a kid in the candy shop! Congrats, we certainly would enjoy some more details without giving away your secrets!

MJ

Author:  DynoDave [ Wed Mar 14, 2007 6:11 pm ]
Post subject: 

That's excellent. Congratulations!

Author:  Dart270 [ Thu Mar 15, 2007 11:00 am ]
Post subject:  back home

I am now back in VA from my second trip to NZ and Oz...

Had a great time in Sydney, Australia with Mr. Turbine.

The most notable part about that engine was the super fat torque curve - over 320 ft-lbs from 3500 to 5700.

I cannot emphasize enough how useful engine dyno tuning can be. We did cam swaps in <1hr and head/cam swaps in ~2hrs with 2 guys working. Adjustable cam sprocket made cam timing changes happen in 15 min. 5 cams, 3 heads, carbs, cam timing, ignition....

Lou

Author:  VG-265 [ Thu Mar 15, 2007 11:37 am ]
Post subject:  Re: Slant 6 Engine Dynoed

Quote:
I recently had a 3 day visit from Dart 270 to Australia,So i pre assembed a spare slant race engine so we could do a couple of days of engine dyno work.This was the fist time i had engine dynoed a N/A slant in about 10 years.
First run it pulled 333 HP & 330 ft lb & after the first cam change it made 347 HP & 344 ft lb. That was as good as it got as we ran out of cams & heads & Lou had a plane to catch.I now have a couple more cams & things to try wich will happen soon.
The engine runs 3 x 45 webers & 100 oct gasoline.

More to come :

Cameron
Numbers like that are why Cameron and family are regarded as Slant gurus in Australia.

Author:  Turbine 225 [ Tue Mar 20, 2007 3:29 am ]
Post subject: 

Tried another cam last weekend & gained a little more,354 @ 5900rpm.
1 more flat tappet on the way & then its time to test a roller.
To answer 1 of Dougs questions comp is 12 to 1.

More to come

Author:  Slanted Opinion [ Tue Mar 20, 2007 4:51 am ]
Post subject: 

I've always heard that the 3 sidedraft Weber setup was the unbeatable combination on a slant.

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