Kadunza S54 ITB Adapter Plate Project

[digger]

I'm not the one making the claim, those were pure rumors floating around his shop. Anyone that knows Karl @ RE knows he knows his shit and he's also very protective of his work.

obviously its BS, it is without a doubt impossible NA.

you could make an S54 head to support 500bhp i would think the M54 head wouldnt be that far from that when all is said and done. the rest is relatively easy really in todays world it is just money. it is harder to make it last than to make the numbers

[digger]

Seemed to work great for Karl's M54B30.. and from what I understand he's putting out much higher numbers now but is very secretive about what else he's done to the engine.



Regardless, I always love reading the remarks of desktop mechanics but I'd much rather prefer to spend the majority of my time doing than talking.

that was the guys point, obviously a M54 with S54 bolt on power would be sized about right.....but an M54 with minor bolt ons and 200whp not so much

[RobertK]

I gotta call BS on the 600rwhp NA claim. That would be 233hp/L (if it's still 3L, and assuming 15% drivetrain loss, so about 700hp at the crank). If it does make that power, it probably won't be long before it needs a rebuild.

I'm not the one making the claim, those were pure rumors floating around his shop. Anyone that knows Karl @ RE knows he knows his shit and he's also very protective of his work.

[rturbo 930]

I gotta call BS on the 600rwhp NA claim. That would be 233hp/L (if it's still 3L, and assuming 15% drivetrain loss, so about 700hp at the crank). If it does make that power, it probably won't be long before it needs a rebuild.

[RobertK]

$20k is an absolute bargain for that amount of power out of that motor without any boost... maybe if he did all the tuning, design and head work himself for free. Also, zero streetability if true.

Absolutely not at 13:1 comp. AFAIK it was one of his primary club racing cars.

Good luck, and I mean it... The s54 is a 50mm diameter, and that requires other things to be changed to accommodate for them. You didn't mathematically calculate this out did you? What cams, pistons, and headers are you combining with this "kit"? The price tag to do this from scratch is easily $5,000+ On the stock motor you are going to be

You can post all the pretty pictures and irrelevant dyno-graphs you want, but the fact of physics remains. Until you post your mathematical calculations that prove that this can reasonably be done I will shut up and :popcorn:

The "kit" is just a kit that allows you to bolt it onto your engine. What engine, cams, pistons, etc.. you choose to use is yours... maybe you missed that part.

Of course you were touting how it probably won't make gains and then I post a dyno of it showing gains on a M54B30. Typical r3v hater fashion

Is ok though, I like peanut butter because there's always plenty of free jelly. ;)

[pantelones]

For the time being I would be happy with a 15-20rwhp bump and better throttle response.

Good luck, and I mean it... The s54 is a 50mm diameter, and that requires other things to be changed to accommodate for them. You didn't mathematically calculate this out did you? What cams, pistons, and headers are you combining with this "kit"? The price tag to do this from scratch is easily $5,000+ On the stock motor you are going to be

You can post all the pretty pictures and irrelevant dyno-graphs you want, but the fact of physics remains. Until you post your mathematical calculations that prove that this can reasonably be done I will shut up and :popcorn:

[Wh33lhop]

Pretty sure he's running an ATI dampner. Spoke with my buddy Mark that works with Karl over at RE. The rumor is he's now got the thing running close to 600rwhp after a ton of head work, custom cams, and a ton of time dyno tuning it.. but the other rumor is that's with $20K put into the motor.

$20k is an absolute bargain for that amount of power out of that motor without any boost... maybe if he did all the tuning, design and head work himself for free. Also, zero streetability if true.

[CoreyZ]

Apparently that 350whp dyno was done with a stock bore and stock stroke, solid lifters, lots of headwork, 13:1 compression, a motec ECU, and VANOS only on the intake cam. Couldn't find anything else.

If we can get some more good info on safe rev limits with an ATI damper on 24v setups, we might see a lot more big power NA builds for us plebs.

Robert, when I get the model of the M52 setup in the CFD software, I can run a test comparing stock intake vs. S54 throttles.

[RobertK]

The guy deals in building custom pistons for BMW and Porsche race cars so I have no doubt it has a crazy comp ratio among other things. He sold the first car he built with the original setup IIRC.

For the time being I would be happy with a 15-20rwhp bump and better throttle response.

[IronFreak]

600hp NA M54?? Now that would be something to see

[RobertK]

Holy fucknuts. 8500rpm on an M54?

I'm guessing it's destroked and he's using an ati superdamper among other things.

Too bad he's not sharing the secret sauce

Pretty sure he's running an ATI dampner. Spoke with my buddy Mark that works with Karl over at RE. The rumor is he's now got the thing running close to 600rwhp after a ton of head work, custom cams, and a ton of time dyno tuning it.. but the other rumor is that's with $20K put into the motor.

[CoreyZ]

Holy fucknuts. 8500rpm on an M54?

I'm guessing it's destroked and he's using an ati superdamper among other things.

Too bad he's not sharing the secret sauce

[CorvallisBMW]

schwing!

[IronFreak]

I like this guy ^

Carry on

[RobertK]

Seemed to work great for Karl's M54B30.. and from what I understand he's putting out much higher numbers now but is very secretive about what else he's done to the engine.



Regardless, I always love reading the remarks of desktop mechanics but I'd much rather prefer to spend the majority of my time doing than talking.