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Cole - is the rear bumper resting on your alternative sleeping area (where you go when kicked out of bed due to excessive surliness)?!?!

Old 07-01-2012, 12:44 PM
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Ronnie:

My lovely wife and I have been married nearly 20 yrs. and have never
had an argument despite my surliness. She has been nominated for
sainthood.

That is presently MikeD94's room.

Cole
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Cole - 80 930 "The Old Sled"
Mods: TurboKraft Custom IC, 934 Headers, GSX 61, Zork, Port Work, SC Cams, Air Mod Fuel Dist Relocated, Water Meth Injection, BL WUR, MSD 6530, Greddy EBC, Synapse Bov, Short 2nd & 3rd with 8:37 R&P, Wevo Shifter, Coupling, and Mounts, MTX-L SSI-4, Big Brakes, Rebel Coilovers, Bilstein Sports.

Last edited by cole930; 07-01-2012 at 01:55 PM..
Old 07-01-2012, 01:52 PM
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Preliminary dyno results

When everything comes back from contract vendors machined correctly, and the seals are all to spec, it all goes together a lot nicer and a lot quicker.

Reassembled, installed, filled with Brad Penn break-in oil. Tuning was performed running plain 91-octane oxygenated West Coast pump gas. Initial dyno results:

At 0.8bar -- 463rwhp / 427rwtq
At 1.25bar -- 578rwhp / 532rwtq

Mixtures are a little on the rich side, and the ignition timing is conservative.



Next steps:

Verify values for the Bosch air temperature sensors. The programmed values are what the prior Motec tuners input. We were getting some very high air temps indicating the intercooler was heat soaking, so we'll confirm sensor setup is correct.

As Lincoln usually fills up with 93- or 94-octane, we will blend fuel to get this octane and fine tune it again.

Then the WMI.

And race gas, if desired.
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Old 07-09-2012, 10:26 PM
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Great news.
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Old 07-10-2012, 12:33 AM
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Very impressive! 4-6.5K is a great powerband!
Old 07-10-2012, 01:29 AM
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Hey Linc.....wake up....your car is running.
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Old 07-10-2012, 02:56 AM
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Beautiful numbers!
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Old 07-10-2012, 04:57 AM
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Bravo! Great news Linc you will be driving her soon!
Old 07-10-2012, 05:00 AM
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Kudos Chris! So glad all is going well.

Linc - looks like you're out of the woods so to speak, couldn't be happier for you!
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Old 07-10-2012, 05:08 AM
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Fantastic!
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Old 07-10-2012, 05:38 AM
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Ummmmmmm .... where is the video?

We have waited all this time. We demand to see flames and hear this beast roar!
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Old 07-10-2012, 05:50 AM
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If I got the notice, I would be RRRUUUNNNINNGG.......

Last edited by wjfk32; 07-10-2012 at 06:47 AM..
Old 07-10-2012, 05:55 AM
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Congrats Linc and Chris.

I bet it felt good to be able to post that.

Looking forward to having another aircooled beast reporting to the board.
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Old 07-10-2012, 06:43 AM
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Congratulations to you both! If engine builds could be turned into hollywood flicks, this would be the one.
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Old 07-10-2012, 06:48 AM
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^^ Amen to that, yet again another testament to the quality and time taken to do it right so Linc doesn't have to do this again.

Chris stands as a giant among a sea of dwarfs in my book concerning integrity and commitment to excellence.
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Old 07-10-2012, 07:03 AM
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That's great!!! If I didn't have to work I'd drive up and see/hear it.....
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Old 07-10-2012, 07:32 AM
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So Chris, what would conservative versus aggressive timing ranges be for an engine like this given the differing octane ratings?
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Old 07-10-2012, 07:57 AM
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How many break in miles did the engine do before those dyno runs? Also did it do the dyno runs with the break in oil? Always heard it was best to get at least 500 miles of zero boost and gentle low RPM time, then complete engine oil flush, proper oil and then it was ready........

Big numbers too!! Looking forward to seeing it finished, hope Linc will do some 60-130mph runs
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Old 07-10-2012, 09:34 AM
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Quote:
Originally Posted by JBL930 View Post
How many break in miles did the engine do before those dyno runs? Also did it do the dyno runs with the break in oil? Always heard it was best to get at least 500 miles of zero boost and gentle low RPM time, then complete engine oil flush, proper oil and then it was ready........

Big numbers too!! Looking forward to seeing it finished, hope Linc will do some 60-130mph runs
I had always heard this as well, but several years ago I built a Ducati 748R engine with the help of a local engine hero (Steve Upchurch) and his philosopy for any "break-in" was three heat cycles at a stand still, a couple of low RPM, through the gears heat cycles on the dyno (or on the road), and then let it rip. I have been doing this ever since with no problems.
Old 07-10-2012, 09:40 AM
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Steve -- there's no fixed maximum timing values that work for all engines. It really depends on the engine's VE. The camshafts and compression ratio have the biggest affect. Factor in boost levels and air temps, and timing values can vary a bit between 2 similar engines.

When we fine tune this engine further with higher octane fuel, we may see a gain of 20-30hp from 2-3 degrees of timing plus appropriate fuel trimming.

Yesterdays dyno showed air temps were having the biggest change in output. Allowing the intercooler to cool down as close to ambient (85-90F) as possible -- as if the car is cruising down a highway -- yielded a 10C drop in peak IC temps at the end of a 10sec WOT pull, and a difference of 35rwhp.

I'm not sure where Tony stopped with the ignition timing right now, but it's less than when the engine came to us. One thing we always verify is actual timing at each plug wire vs. what the ECU is displaying. The ECU's previous program was showing 23deg @ 1.0bar boost, but when we checked actual timing at the plug wire it was off by 5 degrees. The ECU was saying 23deg but the engine was actually doing 28deg. That may have been a contributing factor in its demise.


Photos and video will be coming.

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Old 07-10-2012, 10:10 AM
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