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Old 12-30-2013, 09:20 PM   #18
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I've been searching for quite awhile to find tuning results for this engine.

I finally found something from KPE (I believe also partnered with IPF or something along those lines) and the results are pretty impressive if you ask me.

The graph below is from the XTS VSport, not the CTS-VSport and I think this is an AWD model. I'm looking forward to seeing results from the CTS RWD cars.

Green is stock. Blue is a stage 1 tune, and red is the stage 2 tune.

From: http://www.cadillacforums.com/forums...uning-kpe.html
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Old 12-31-2013, 08:49 AM   #19
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Didn't Arno say they always correct for drivetrain loss? If so, then those numbers seem low. If they are really at the wheels then those are some nice numbers for a AWD vehicle. It would be nice to see the boost and AFR plotted as well.
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Old 12-31-2013, 09:11 AM   #20
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dyno

Quote:
Originally Posted by GretchenGotGrowl View Post
Didn't Arno say they always correct for drivetrain loss? If so, then those numbers seem low. If they are really at the wheels then those are some nice numbers for a AWD vehicle. It would be nice to see the boost and AFR plotted as well.
I agree. This might be fly wheel numbers.
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Old 12-31-2013, 11:35 AM   #21
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Nice to see a force inducted production v6 from an american auto manufacturer, although I think we all want to see 500+hp or even 600hp from a v6 while maintaining efficiency while ensuring the engine's integrity.

I take it the LF3 is an iteration on the LFX which is an iteration on the LLT?
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Old 12-31-2013, 11:39 AM   #22
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Nice to see a force inducted production v6 from an american auto manufacturer, although I think we all want to see 500+hp or even 600hp from a v6 while maintaining efficiency while ensuring the engine's integrity.

I take it the LF3 is an iteration on the LFX which is an iteration on the LLT?
It is in the same class as those two, but has lower compression ratio, different crank, pistons, rods and cam shafts. The HPFP has higher capacity as well. There are a few other differences but I can't remember off the top of my head. So, it is about as different from the LFX as the LSA is from the LS3.
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Old 12-31-2013, 11:55 AM   #23
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Ok that makes sense.
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Old 12-31-2013, 06:28 PM   #24
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Quote:
Originally Posted by GretchenGotGrowl View Post
Didn't Arno say they always correct for drivetrain loss? If so, then those numbers seem low. If they are really at the wheels then those are some nice numbers for a AWD vehicle. It would be nice to see the boost and AFR plotted as well.
Yes and No.

Seems like the graphs he shows from his tests in foreign countries are always crank power.

This was from a shop in Scottsdale Arizona and the power numbers are listed as "AWHP" and "AWTQ" as in from an all wheel drive version of the XTS

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I agree. This might be fly wheel numbers.
See above. I highly doubt this is crank power....which means there is some very impressive power there.
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Old 12-31-2013, 08:23 PM   #25
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Well stock is advertised as, what, 420/430 crank power? And he has 350/326 as the stock numbers, which would be around correct for AWHP...
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Old 12-31-2013, 09:02 PM   #26
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I just want the pistons and the rods lol.

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Old 01-02-2014, 09:31 AM   #27
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My bad I was looking at the graph on the top of the left hand corner that says Eng Power/ Eng Torque.
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Old 01-03-2014, 05:40 PM   #28
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I just want the pistons and the rods lol.

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Old 01-03-2014, 06:05 PM   #29
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Real screwed up to say but I'll wait for a inexperienced driver with a VSport to destroy one. Then pull the parts I want. Or talk to hit my friends up at GM to see what the damage would be for the parts. Should be cheaper than aftermarket. Nice to get confirmation on fitment just in case.

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Old 01-26-2014, 02:07 PM   #30
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Quote:
Originally Posted by GretchenGotGrowl View Post
So, has anyone heard anything new? I can't wait to see what we can adapt for use on our engines.
I see that the LF3 is now available in the "Build Your Own Vehicle" for the 2014 CTS Sedan! Not sure how long that's been out, but haven't seen it until now... I've been holding out for this as I hope to be able to adapt most of these parts to an LFX... I imagine even with the stock LFX internals a guy could run ~6psi for a nice boost and still keep it reliable without digging into the engine to change the pistons.

After some searching, I found a vin number for a '14 CTS VSport w/ the LF3 engine online... Hopefully I can use that to see if these parts are in the GM parts system yet tomorrow.
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Old 01-27-2014, 07:55 AM   #31
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Originally Posted by RacnJsn95 View Post
I see that the LF3 is now available in the "Build Your Own Vehicle" for the 2014 CTS Sedan! Not sure how long that's been out, but haven't seen it until now... I've been holding out for this as I hope to be able to adapt most of these parts to an LFX... I imagine even with the stock LFX internals a guy could run ~6psi for a nice boost and still keep it reliable without digging into the engine to change the pistons.

After some searching, I found a vin number for a '14 CTS VSport w/ the LF3 engine online... Hopefully I can use that to see if these parts are in the GM parts system yet tomorrow.
Yeah, checked again Friday and the HPFP for the LF3 is now available. I will probably be ordering cams and the pump sometime soon to see if they will work on the LFX.
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Old 01-27-2014, 11:55 AM   #32
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you need to go test drive one and see what happens if you brake boost it and launch it. Well, maybe without a sales person. lol
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Old 01-27-2014, 12:11 PM   #33
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you need to go test drive one and see what happens if you brake boost it and launch it. Well, maybe without a sales person. lol
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Old 01-27-2014, 09:23 PM   #34
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I've got some LF3 exploded diagrams, and prices for most of the KEY parts... I've got to sit down with the diagrams and circle everything I think I would want or need. I have no part numbers yet...

Obviously a lot of the stuff is probably bolt on, but there will have to be some custom stuff made to make most of these parts work on the Camaro.

I will try to scan the diagrams and upload them later this evening if I get time...

Some prices for the important stuff:

Turbo, $1289 per side (includes waste gate, clip, bolt)
Upper intake (plenum cover) $163.21
Intercooler (inside intake manifold) $127.89 ea (2 req'd)
Intercooler insulators (2 req'd) $12.94ea
Water inlet/outlet (on back of intake manifold) $318.45
Throttle Body $174.61
TB Harness $26.69
Lower intake $207.64
Turbo to intake piece $205.17 (per side, 2 req'd)

There are a few other cheap-o items I have prices for, but this is basically the meat and potatoes of this "kit"... Don't have prices on any of the oil lines, etc yet... So for the meat and potatoes you're looking at about $4160.60 total. I'm sure you can nickel and dime yourself to death with bolts, coolant lines, oil lines, etc...
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