Wdk-1200 Failure!!!!!!!!

[superramjet]

Dream on superramjet!!!!!!!!!!!!!!
Climb out of Jeff's rear and see the light.
Didn't touch the port side only the flange area, I know how to build engines unlike wdk
Realised this weekend that when I always primed the carbs after re-jetting by putting my had over the top of the carbs that the front carb always had less suction, but at the time I put it down to the carbs not being 100% synced due to the front butterfly being more closed. The fact was that obviously the hole was there all the time causing either a lean seizure or foreign matter to enter the crankcase
I can show you pics of porting and valves are 100%
My partner met Jeff and Chris this weekend in Havasu this weekend and realised they are total thieves. They blamed Ed Brazina for me not having my carbs, when he spoke to Ed he was told that wdk had queried about carbs months ago but nothing had been ordered. Ed was also not happy about them piggybacking on his stall at Havasu last year.

you'd think an engine builder as prominent as yourself would notice a hole in a case. You claimed you opened up the exhaust side because your software told you it wasnt big enough.

 

[WFO Speedracer]

you'd think an engine builder as prominent as yourself would notice a hole in a case. You claimed you opened up the exhaust side because your software told you it wasnt big enough.

Apparently this new maverick breed of engine builders doesn't fell it necessary to pressure test their engines before they run them,if you live by the sword,you die by the sword.

 

[Endo]

Alright....it seems some common sense is missing somewhere. Are the cases bored to accept the larger cylinders? If so does it make the casing thin in some places? If so I assume that the thin area was epoxied as it was in the other area's? So where is the missing epoxy? Did it fall out later or was it forgotten?

 

[WFO Speedracer]

I always thought pressure testing an engine was common sense,I don't care who built it,what they know or what they think they know,I won't put it in if I don't pressure test it.

 

[ROTATION]

Epoxy missing in that area.
With the price I had to pay to get the engines, I didn't expect to have to inspect every part.
But I guess it comes to the old thing of if you want to do something right you have to do it yourself

 

[douglee25]

Well it took 3 pages, but I knew that the failure would be blamed on the porting that Rotation did. It's going to be a scapegoat for what really happened. What everyone needs to realize is that the failure is not even related to the porting one bit. Any for some reason if it was related, how come the other cylinder is fine? It wouldn't be.

Doug

 

[WFO Speedracer]

Let me break it down for ya,
pressure test = what twenty-thirty minutes tops,price basically free
engine teardown and rebuild= time + parts+downtime+aggravation+time posting here
bashing on WDK =priceless

 

[Endo]

wedo...yep, pressure testing is to often overlooked. But I have to admit I had a 440 case fail even after it passed pressure testing because I forgot to epoxy. I think the transition from pressure to vacuum caused flexing which ultimately caused a nice elongated hole at the thinnest spot. Not saying that was the case here it's just something that happened to me in the past.

 

[Matt_E]

Not that I want to get involved in this, but I do wonder....
Yes, Rotation could have done a pressure test that may have found the problem.
Is the lack of a pressure test by the customer to blame for this failure? Is the lack of a pressure test the reason the engine failed, and is the builder automatically free of all responsibility because the customer did not double-check the builder's work?

 

[WFO Speedracer]

Not that I want to get involved in this, but I do wonder....
Yes, Rotation could have done a pressure test that may have found the problem.
Is the lack of a pressure test by the customer to blame for this failure? Is the lack of a pressure test the reason the engine failed, and is the builder automatically free of all responsibility because the customer did not double-check the builder's work?

Matt I am in no way saying that WDK is not responsible for fixing this.It should have been pressure tested by them before it left the shop.The pressure difference sited by rotation when he hand choked the carbs leads me to believe there was a problem before it was run.I am very clearly saying that for your own protection and piece of mind pressure test before you install,especially on an engine that costs this much coin to rebuild. :ugh2:

 

[ROTATION]

Too confirm me just correcting the exh at flange end, you can see by 2 textures on aluminuim that I stayed at least 0.75-inch away from actual port and pv.

 

[Big Kahuna]

that not gonna cause a hole in the cases.........

 

[wayne]

why, if you took the cylinders off, would you not do a pressure test? you have removed the head and cylinders and put them back on. the test most likely would have caught the problem. i would think after a top end tear down and rebuild (or report and put back together) you would want to pressure test just to test what you just resealed. jmo

 

[butti]

what exactly did cause the hole in the cases? i have been following this thread since the begining and all we seem to know for sure is that there is a hole in the cases:dunno:

 

[ROTATION]

The machining of the cases to clear the sleeve caused the hole, thus the need for epoxy.
Bottom line is that if I had simply installed the motor as received I would still have had the same failure.

 

[wayne]

i understand that what you did was not the cause of the failure. however, when you go buy a new custom built engine with warranty and take it apart and do further work on it most companies are not going to warranty that motor after you take it apart and do more machining before ever running it and tell them you did. sucks this happen and it should be warrantied. hope every thing works out for you.

 

[ROTATION]

Did a little baking tonight.

 

[wayne]

looks pretty wild with the sleeve out.

 

[waxhead]

The reality is that pressure testing my not have found the issue ethier
if the epoxy was in there but not enough of it then it would have held back the pressure
but when it got the constant pumping action inside the cases then it would have fractured the join

It was going to happen no matter what happens

 

[sjetrider]

I agree with Rotation here, porting would not cause this failure, but if you are the motor builder you say you are then you might have questioned the missin epoxy or thin area before re-assembling. Either way I would have test rode the motors as built before disassembling and damn sure before I told EVERYONE I was dis assembling them. But thats just me. Hopefully Jeff will make this right, gonna take a while though LOL.