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1.6 Data & Testing

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#221
Johnny D

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JPM.
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#222
Johnny D

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then tell each other how proud they are of themselves.

 

 

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#223
Sean - MiataCage

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So this is basically effective today (who didn't know) for those who have read this, until something else comes out official, correct?
J~

 

I'm not sure what you mean.... I do not speak for the SMAC, or CRB, or BOD or SCCA so I'm not sure why you would think what I said would carry any official weight.

 

All that I am saying is that there is nothing to my knowldge today in the GCR that calls out what the spec is or what the header should look like from the factory.  If someone protested someone (and won) over the header welds in today's environment I would be shocked if it were not over turned on appeal since there is no standard and as others have mentioned some of the headers received in recent years have machine tool/grind marks on them direclty from Mazda.

 

In the grand scheme of things, my opnion means nothing official.  I'm just sharing my view point.

 

Thanks... Sean


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#224
Johnny D

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I understand Sean, I agree with your statement.
 
If you can't police it (No spec to use in tech), you can't really stop people from doing it, make it the rule, IMO.
Makes it fair for everyone.

 

The loophole was pointed out (today) to everyone who read it and wanted to take advantage of it. (though not official)
If there's a rule, post it, so everyone is clear. Why the binning/cherry picking ??
 
I was waiting for Jamz to say IIDSYCDIYC, must be on vacation. :)

IIDSYCDIYC(If it doesn't say you can do it (in the rules) you can't)
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#225
B(Kuch)Kucera45

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I don't think the vocal minority would be happy until the 1.6 got a turbo and all the mid pack drivers could win at any race with a $5000 car.


Damn you Ralph, you finally figured out my evil plan ! ;) lol
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#226
jdmrrs

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FYI: Autobahn Country Club’s Spec Miata series has had about 40 members race this year, with an average car count of approx. 24.  Members own 60-70 Spec Miata’s.  To increase car count and encourage new entrants, members embarked on a series of tests to improve 1.6 performance. In the end, at 2275#, a Racing Beat header with the driver’s side turn signal lens and headlight bulb removed appears to be a quick, effective and cost efficient means of making the 1.6 cars more competitive. On a fresh Stewart motor, the header improved torque and horsepower about 3 units (range of 2-4) throughout the 4500-7000 rpm range, top-speed increased 3 mph at three different locations on the South track.  The track’s SM champion turned virtually identical lap times in the test car and his ’99.  About 10 cars are presently being converted.


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#227
Jim Drago

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Just so I understand it correctly, those in the know whom communicate off site for learning purposes can come on this Mazda Racers community communication site for everyone  and put down who they please and then tell each other how proud they are of themselves. Interesting that those fostering the class leave so many question go un-answered.
 
There is a very good reason someone sponsored JPM for his 1.6/99 build/test/dyno/results report services. Duh, someone desires more 1.6 cars at events. They sure as hell didn't sponsor JPM to shut up the vocal minority.
 
Where's then two pounds come off the flywheel? I looked at a flywheel, pull the dowels and grind away or???
 
EDIT:
After doing a couple numbers I presume grind off the .095" two proud surfaces plus another .03" off the 10 3/8" diameter.
Is this Mazda acceptable?
Per the Mazda FSM if flywheel surface area for disc match up is more than .008" dial run out, replace the flywheel.
Johnny, your expertise on the subject.


As usual I don't know what you are talking about.. Some code I guess? I will answer what I can regarding flywheel. You are thinking the wrong side. I'll look for a picture.

The two pounds they are talking about will come off machining the outer ring down about 3/8 in

F61748095_zpsuijsr3wh.jpg


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#228
Jim Drago

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I'm not sure what you mean.... I do not speak for the SMAC, or CRB, or BOD or SCCA so I'm not sure why you would think what I said would carry any official weight.
 
All that I am saying is that there is nothing to my knowldge today in the GCR that calls out what the spec is or what the header should look like from the factory.  If someone protested someone (and won) over the header welds in today's environment I would be shocked if it were not over turned on appeal since there is no standard and as others have mentioned some of the headers received in recent years have machine tool/grind marks on them direclty from Mazda.
 
In the grand scheme of things, my opnion means nothing official.  I'm just sharing my view point.
 
Thanks... Sean


Except you are forgetting that SM has a tech czar now.. If he looks at it and feels it has been modified. Its gone. No spec needed. And also tech has always been able to compare a part to a known part from Mazda.

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#229
av8tor

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Wow. I've been doing this along time.  Funny thing is, the further I move from my roots, the more things appear the same.  Jamz14, I can't wait to meet you.  Believe me, all the drinks can go on my AMEX.  Cause you are either brilliant or crazy and I ain't judgin'



#230
Sean - MiataCage

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Except you are forgetting that SM has a tech czar now.. If he looks at it and feels it has been modified. Its gone. No spec needed. And also tech has always been able to compare a part to a known part from Mazda.

 

Here in lies the problem.... The new ones all have machine marks on them, so they are (from my experience) way worse than the old ones that weren't really touched.  So if it were compared to a new one with the grind marks on them I would think one could easily argue that it was done at the factory and no one could prove otherwise.

 

I'm not saying it's right, I just think the CCC has no way to prove what was factory and what was not since Mazda can't even do it.

 

Just my 2 cents.... Sean 


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#231
Jim Drago

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Here in lies the problem.... The new ones all have machine marks on them, so they are (from my experience) way worse than the old ones that weren't really touched.  So if it were compared to a new one with the grind marks on them I would think one could easily argue that it was done at the factory and no one could prove otherwise.
 
I'm not saying it's right, I just think the CCC has no way to prove what was factory and what was not since Mazda can't even do it.
 
Just my 2 cents.... Sean

while I may agree and understand what you are saying.. You keep using words like "prove" Nothing needs to be proved with the CCC.. If they "feel" you modified. You will be dq'ed.

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#232
B(Kuch)Kucera45

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As usual I don't know what you are talking about.. Some code I guess? I will answer what I can regarding flywheel. You are thinking the wrong side. I'll look for a picture.The two pounds they are talking about will come off machining the outer ring down about 3/8 inF61748095_zpsuijsr3wh.jpgimages_zpslx08mejx.jpg


Wow that's a lot of material removed !
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#233
Jim Drago

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Cause you are either brilliant or crazy and I ain't judgin'

Im saying both!

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#234
Jim Drago

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Wow that's a lot of material removed !

if this is approved.. someone needs to do and weigh it before they spec a weight IMO.. By "guessing" to me looks like it could be more than 2 lbs

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#235
Steve Scheifler

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Honestly, this is only one piece of the pie. driver/coaching/data, prep, etc (the full package) is all needed to be on the top steps.
If you're an average driver with average prep, running mid pack, you not going to see much or be on the podium all of a sudden.
I'd say if a real good driver and make no mistakes, close to top prep and were top ten (maybe top 5) or knocking on the door, you'd have a chance at podium.
I'd imagine with any adjustment.
:twocents:
J~


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#236
B(Kuch)Kucera45

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if this is approved.. someone needs to do and weigh it before they spec a weight IMO.. By "guessing" to me looks like it could be more than 2 lbs


IMO I think we should leave the flywheel as is and focus on the header,turn signal and heat soak problem.
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#237
Sean - MiataCage

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while I may agree and understand what you are saying.. You keep using words like "prove" Nothing needs to be proved with the CCC.. If they "feel" you modified. You will be dq'ed.

 

True......


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#238
LarryKing

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I don't think the vocal minority would be happy until the 1.6 got a turbo and all the mid pack drivers could win at any race with a $5000 car.

 

Ralph, that is simply not true. You, me and the entire smug majority all know we could give the mid-packers Scott Pruett's Daytona Prototype car and they would still finish mid-pack. And Vettel could beat everyone driving a V2 Motorsports dune buggy.


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#239
38bfast

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Ralph, that is simply not true. You, me and the entire smug majority all know we could give the mid-packers Scott Pruett's Daytona Prototype car and they would still finish mid-pack. And Vettel could beat everyone driving a V2 Motorsports dune buggy.


Lol. Very good. The buggy might be a overdog. 160HP 2.2 liter at 1200 lbs. 3 way adjustable coil overs on A-arm suspension. 


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#240
Bench Racer

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As usual I don't know what you are talking about.. Some code I guess? I will answer what I can regarding flywheel. You are thinking the wrong side. I'll look for a picture.

The two pounds they are talking about will come off machining the outer ring down about 3/8 in




images_zpslx08mejx.jpg

The code is an attempt to keep you off track. :bigsquaregrin:

 

Aware of engine side ring. Was suggesting the clutch plate side because of Dave Wheeler's comments of Mazda/liability comments back in the day (his day on SMAC).  Also the Mazda FSM suggests replacing the flywheel if total indicator run-out is more than .008 inches.

 

For my other $0.02, removing two pounds off eighteen pound flywheel would be noise. MazdaMotorSports sells Fidanz aluminum flywheels, approx. half the weight of steel flywheel.

 

1.6er's would you rather be an under-dog or over-dog.  If over-dog, plate and or weight.  


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