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QUOTE (john @ Oct 29 2009, 10:53 AM) index.php?act=findpost&pid=1612771
yeah this is his 1st disi engine work.
hes actually a specialist on s2000's and hes pretty well known on those platforms.

we havent had the chance to open the timing cover yet. hes pretty busy this week.
now i can wait because i just bought myself a DD and prolly after 2 years i will make it a beast=D
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congrats on the s2k. my friend recently got an ap2 and its great.
 
Discussion starter · #123 ·
thanks. this is my 1st rwd car. fuckkk!! i already spun out once. luckily i didnt hit anything. turning while on gas in a rwd car is different. its easy to drift this thing. i need new set of rear tires. car is still on its original tires but bald on rears.

about my ms6. im still waiting for the timing tool to come. hopefully no valves is bent...
 
dealer said that a loose hose clamp was the issue, so far but they did not detail what clamp or where. the boost is supposedly back and i should have more details in the next couple days.

now that you have that sweet 2k, you are gonna need an awesome triple decker rear wing to keep you from spinning out! good luck with that.
 
alright.... band clamp on the inlet hose from the turbo was jacked and had to be swapped. that is the diagnosis and i will get the speed back to see if it helps, tomorrow. hope it helps, but i am sure these have already been checked.
 
band clamp not turbo swapped.
 
LOL, i guess i got my eye balls swapped with my finger balls. Thx.

driver-13, not sure what a leak on the turbo inlet would affect power output, more likely fuel trims etc. Dealer likely found other boost leaks that were you issue.
 
If that little bit of turbulence affected his power output to the point where he took it to the dealer, all our cars would be slugs right now, cause i'm certain about 80% of the speed6 out in the world have a loose TIP coupler, haha. Mine practically fell off when i installed my speedie6 pipe. And i didn't notice any speed loss pre-tip install.
 
John,

I just got to this thread and I'm sorry for your troubles! Looks like you will be running again! I'm sure Church can flash the S2K for ya he has over 180 maps for it or something crazy like that!

GL! and sorry to read all the BS you've been though since it went boom!

Y

EDIT: Forgot to mention that I'm happy to see the support this forum gave this member with our PITA in common.

Good Job!
 
Well since we are talking about us...I figured I would join in....I am looking at the spec from Ford and Mazda and All Data...

Here is the procedure for all Duratec Engines since 2003 to current...for the crank bolt...
1- tighten to 100nm (74 lb-ft)
2- tighten an additional 90 degrees

I am sure you all know Mr. Tea....well we also built his engine with the same specs....

We personally have blown about 30 engines while testing for our racing program....for various reasons....and with what we learned we have built a 275whp NA duratec engine....we have noticed that these bolts will stretch under hard load or shock...and even under detonation....that is why the crank bolts are stretch bolts.

The Duratec motors are interference motors...they are designed to slip timing to save from catastrophic failures...

Which I bet is what happened here...but what do I know...

I have only been playing with Duratec engines since 2003 when the Focus had the 2.3L....F2 has built well over 100 Duratec engines from mild to wild, NA and turbo....here in our shop and in our race shop....

I came here to show my face as I will not run from any issue that comes up...I will take it head on and when it is my fault I will fix it but when it is not I won't...

Thanks
 
I built the engine for John,

Forzda remebers talking to me.

I identified his engine hydro-locking for too much meth-injection.

I built his engine. I made my recommendations, and follow the customers request. He had an agenda, and choose not to follow our many recommendations.

This bolt, doesnt come loose, it gets shocked.

In my opinion, I have yet to see the car, the clutch played a roll, as well as many dyno pulls.
John, was on location during most of the reassemle of the engine, as well as the weeks it took to figure out his turbo setup.

His clutch is meant for a fwd MS3, but since it fit, he wanted it.

Point I am trying to say, is this car is far from stock, We were never given a chance to double check or Quality control anything, since john was without a car.

We expressed to john that we had procedures, break-in, fit/finish, clearences and retorque of various components of a vehicle repair before the customer picks up their car.

But John needed his car. So he took the car as soon as it started. F2 would have been happy to make a build path for his car, but he wanted something else.

Anything we build in excess of 300 hp, gets an ARP front crank bolt.

Now, I have more info for all disi owners, Mazda is having a problem with timing chain stretch, on the disi engine. It's strectching so bad, that the chain is contacting the Aluminum vlave cover.

Johns car is not stock, thats one reason F2 did not grant any form of warranty.
 
No this was not an F2 motor....we make no parts for the DISI platform...all parts were sourced from other vendors...we only assembled the engine...
 
QUOTE (f2usa @ Nov 16 2009, 10:16 PM) index.php?act=findpost&pid=1617081
No this was not an F2 motor....we make no parts for the DISI platform...all parts were sourced from other vendors...we only assembled the engine...[/b]

So what do you believe happened?
 
QUOTE (charles @ Nov 16 2009, 02:03 PM) index.php?act=findpost&pid=1617092
So what do you believe happened?[/b]
From what we have seen in the past and what has personally happened to me...the car slipped timing...

Something similar happened to me on the race track...bigger wheels and Brembo brakes racing hard, shifting hard and then I missed a shift heard a loud noise from the transmission when I release the gear...then the car lost power big time....limped around the track came in the pits...checked the crank bolt and it was loose...How I know it was loose is when we tried to move the engine with the wrench to get a better grip it took no real effort to back the bolt up....made sure the car was TDC and re-timed it...was back on the track for the next session....car is still running in Michigan to this day....

Good thing I had another bolt...the crank bolts can really only be reused once twice if you are daring.....
 
QUOTE (ekanddsm @ Nov 16 2009, 11:19 AM) index.php?act=findpost&pid=1617022
I built the engine for John,
You work at F2? How many MZR's have you built, not just "Duratecs"
Forzda remebers talking to me.

I identified his engine hydro-locking for too much meth-injection.
What nozzle was it using. I'd speculate system malfunction before too much meth, but I don't know the exact details.
I built his engine. I made my recommendations, and follow the customers request. He had an agenda, and choose not to follow our many recommendations.
No offense, but I haven't met a shop that doesn't have its own agenda as well.
This bolt, doesnt come loose, it gets shocked.
It can come loose if not installed properly.
In my opinion, I have yet to see the car, the clutch played a roll, as well as many dyno pulls.
John, was on location during most of the reassemle of the engine, as well as the weeks it took to figure out his turbo setup.
Your lack of knowledge is starting to show. See next topic
His clutch is meant for a fwd MS3, but since it fit, he wanted it.
They are the same clutch kit. You fail here. Stop blaming the clutch for another issue.
Point I am trying to say, is this car is far from stock, We were never given a chance to double check or Quality control anything, since john was without a car.
This bolt should have been checked well before the point of going in the car. It sounds like you are looking for an out.
We expressed to john that we had procedures, break-in, fit/finish, clearences and retorque of various components of a vehicle repair before the customer picks up their car.
Understandable, but you still wouldn't have check this specific bolt again. If you say you would have you are lying. The install sequence was stated above. That's not a spec you can recheck.
But John needed his car. So he took the car as soon as it started. F2 would have been happy to make a build path for his car, but he wanted something else.
He had a build path and just went to you for a motor assembly was the understanding many of us had. Why would he need you to give him a new path? Maybe your agenda didn't coincide with his?
Anything we build in excess of 300 hp, gets an ARP front crank bolt.
So you installed that on this car? Does ARP have different torque seqence that the OEM bolt?
Now, I have more info for all disi owners, Mazda is having a problem with timing chain stretch, on the disi engine. It's strectching so bad, that the chain is contacting the Aluminum vlave cover.
Old news.
Johns car is not stock, thats one reason F2 did not grant any form of warranty.
Was this expressed up front before the build? What type of warranty would you give if you assembled a bone stock MZR motor? With your BSD kit?[/b]
QUOTE (f2usa @ Nov 16 2009, 03:45 PM) index.php?act=findpost&pid=1617103
From what we have seen in the past and what has personally happened to me...the car slipped timing...

Something similar happened to me on the race track...bigger wheels and Brembo brakes racing hard, shifting hard and then I missed a shift heard a loud noise from the transmission when I release the gear...then the car lost power big time....limped around the track came in the pits...checked the crank bolt and it was loose...How I know it was loose is when we tried to move the engine with the wrench to get a better grip it took no real effort to back the bolt up....made sure the car was TDC and re-timed it...was back on the track for the next session....car is still running in Michigan to this day....

Good thing I had another bolt...the crank bolts can really only be reused once twice if you are daring.....[/b]
I find this particularly interesting because I haven't heard of a single built MZR slipping/shocking/stretching (whatever you want to call it) this bolt except the one from your shop and you admit you had a problem with a Duratec in the same way. His build wasn't even that intense compared to several out there. It's a shame when a problem is reoccuring because it leads to fingerpointing, but if you were on the outside looking in, what would you say?
 
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