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  #16  
Old 04-12-2013, 11:08 AM
G-Code G-Code is offline
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got a couple part back: old style TFS "low rise" Ceramic coated by Embee Performance



Old style T/R re-polished:



I need to get a set of valve covers and we should be ready for the dyno.


Jon
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  #17  
Old 04-12-2013, 07:24 PM
Lem Evans Lem Evans is online now
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You boat guys are show offs!

Nice job Chief Cloud!
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  #18  
Old 04-13-2013, 12:25 AM
G-Code G-Code is offline
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Quote:
Originally Posted by Lem Evans View Post
You boat guys are show offs!

Nice job Chief Cloud!

can't wait to see what the TR I got from you is going to do at 6,800- 7,200 range
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  #19  
Old 05-03-2013, 07:56 PM
dirt_worker dirt_worker is online now
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Any updates yet?
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  #20  
Old 05-12-2013, 01:12 AM
G-Code G-Code is offline
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had to cancel the dyno date, had a couple of conflicts get in the way. Will get a new date set this coming week.
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  #21  
Old 06-14-2013, 01:59 AM
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well got most of what I wanted done accomplished today. Exceeded my goal of 825hp with the single carb. Had a stupid problem with the TR system so didn't get to run it today. Probably go back sometime in July and play for the day.

After we figured out the tunnel ram wasn't going to work we decided to put the single back on and do some more pulls. Dropped the 20/50 VR-1 oil and put in some Mobil 1 10/30 and then swapped out the 1,200 Domi and put on a 950HP to see what would happen. I'll post some pics of the charts now, if I have time tomorrow I'll scan a few and post them.

We ended up at 11.25:1 compression, started with 28* timing, went to 30 then 32* and kept it at 32* with the 91 octane. Made 13 pulls in all.

Here are some of the results:







comparison pulls of 1,200 vs 950 ultra HP carb:


950HP made peak trq of 685 lbs ft at 5,100 vs Dominator of 700 lbs ft peak at 5,100
the 950 made 803 at 6,700 for max hp vs 843 at 6,800 for the 1,200.

the 1,200 was pulling 1.8 " vac at 6,800 the 950 was pulling 2.5" at 6,800.

the Mobil 1 10/30 was worth 10 hp over the 20/50 VR-1 and 10 lbs ft at 5,100

I'll post some more info later. hopefully I can get my cell phone video posted.

Jon
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Last edited by G-Code; 06-14-2013 at 02:03 AM.
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  #22  
Old 06-14-2013, 06:10 AM
TorinoStyle2 TorinoStyle2 is offline
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Excellent test G-Code!!....1.8 inches of vacuum with the 1200 Dommy??....wow!! theres more left in her!!
Other than using a TR, it would be sweet to see a back to back comparison of your 1200 Dommy, vs. a SV-1 carb (if you had one to use, that is!!).

Interesting about the difference in power numbers by switching oils.
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  #23  
Old 06-14-2013, 11:14 AM
bob460 bob460 is offline
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Quote:
Quote:
Originally Posted by bob460 View Post
You'll hit 800hp by 6000rpm

Sweet build.

Whats the intended use?

Cheers, Bob
I was CLOSE........lol

Nice build Jon..................the 950 carb done real well aswell, make a killer street engine!
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  #24  
Old 06-14-2013, 02:27 PM
G-Code G-Code is offline
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yes you were pretty close.

It was built with the Danny Bee so we could move the cam around, thought about advancing it 2-4* to see what would happen but it was making the power right where I wanted it so we left it alone. It would be interesting to see what the trq would do if advanced 4*.
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  #25  
Old 06-14-2013, 08:09 PM
G-Code G-Code is offline
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best pass:


T/R:


Now that I'm going to go back to run the tunnel ram, I'm thinking of running an A/B test


Anyone with any experience running an engine this size with both styles of T/R ?
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  #26  
Old 06-14-2013, 08:44 PM
Lem Evans Lem Evans is online now
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Get it done Jon.
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  #27  
Old 06-14-2013, 08:52 PM
G-Code G-Code is offline
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Quote:
Originally Posted by Lem Evans View Post
Get it done Jon.
You might like this Lem:

click on to play video

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Last edited by G-Code; 06-14-2013 at 10:18 PM.
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  #28  
Old 06-14-2013, 09:39 PM
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Fantastical!

Like that you ran it with a smaller carb.


Sent from AutoGuide.com Free App
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  #29  
Old 06-14-2013, 11:31 PM
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Quote:
Originally Posted by TorinoStyle2 View Post
Excellent test G-Code!!....1.8 inches of vacuum with the 1200 Dommy??....wow!! theres more left in her!!
Other than using a TR, it would be sweet to see a back to back comparison of your 1200 Dommy, vs. a SV-1 carb (if you had one to use, that is!!).

Interesting about the difference in power numbers by switching oils
.

at the cost of 6 lbs of oil psi in this case. the 20/50 was running 61-62 psi from 5,800-6,800
the 10-30 was 55psi from 4,800- 7,000. I was pulling oil psi off the back of the engine so it should have been getting 65 psi at the crank, or so I've been told. I think I'm going to mount a second gauge in the boat to take a reading at the port at the fuel pump boss and see what it is.

In the past I've swapped Mobil 1 20/50 for conventional 20/50 a few times and have seen as little at 8 hp and the max of 14 hp. 20/50 for 20/50 the extra power was when the oil temp was at or above 180*
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Last edited by G-Code; 06-14-2013 at 11:36 PM.
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  #30  
Old 06-15-2013, 11:01 AM
G-Code G-Code is offline
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Hey Lem,

I ran it with my old "low rise" TFS single with it pulling 1.8" vac I wonder what my new style high rise single that's on the 565 would be worth on this engine?

I'm thinking it could break 860 with a single 4 on pump gas....... ?
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