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| Slant 6 10" Performance Clutch Install 3-16-12 https://slantsix.org/forum/viewtopic.php?t=48219 |
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| Author: | DusterIdiot [ Fri Apr 13, 2012 8:26 pm ] |
| Post subject: | 17 lb flywheel? |
Greg, The 17# stock flywheel, what does the crankshaft side look like. Just curious since there are two flywheel styles depending on car vs. truck/ forged vs. cast crank applications. Just want to see if you have the standard car one with out the "ring/ridge" or the truck flywheel. Good info, keep it coming. -D.Idiot |
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| Author: | Greg Ondayko [ Sun Apr 15, 2012 7:23 pm ] |
| Post subject: | |
Here You Go DI... These are shots of the backside of the Flywheel I pulled from the ca and had cut.... I am really not sure if it was originally from a cast engine or not.. THis car had a lockup 904 in it back on 2004 - Then I put the OD 833 in.. Nit sure where I got they flywheel.   Greg |
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| Author: | DusterIdiot [ Sun Apr 15, 2012 8:14 pm ] |
| Post subject: | Yep... |
That's a car flywheel, I've found a couple on 1978 F-bodies as well... The truck/late units have a thick ring on the back side...(which seems to help motivate fat a-bodies off the line due to the extra weight...which was probably needed to get a fat truck off the line when the engine got strangled by emissions requirements). Thanks for sharing!  -D.Idiot |
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| Author: | Junior [ Mon Apr 16, 2012 1:12 pm ] |
| Post subject: | |
So when everyone says if you take a manual transmission over 5000 rpm its gonna come apart, what actually fails? Flywheel or the pressure plate? |
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| Author: | Joshie225 [ Mon Apr 16, 2012 2:46 pm ] |
| Post subject: | |
Typically the pressure plate in the clutch cover fails first. Cast (iron and aluminum) flywheels are illegal under SCTA/BNI regulations for Bonneville and El Mirage. I ran my road race car over 6000 RPM and nothing failed, but it's risky. |
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| Author: | DusterIdiot [ Mon Apr 16, 2012 5:51 pm ] |
| Post subject: | Yep... |
I've done multiple 6000-6200 rpm clutch dumps on street tires and either the 9 1/4" stock clutch disc withers out or the kevlar disc takes on too much heat and just slides around....I haven't had a stock flywheel come apart yet, but I haven't pushed one to the "extreme" (gummy slicks, high rpm, puck clutch, lots of HP). -D.Idiot |
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| Author: | Rick Covalt [ Mon Apr 16, 2012 6:55 pm ] |
| Post subject: | Explosion |
I think multiple 6000 RPM clutch dumps is the extreme on a stock set-up. I had done the same thing many ,many times . Mine exploded on street tires on the 1-2 shift. I am telling you, it ain't pretty. No way I would even consider using the stock stuff for high RPM shifts. I like walking too much. Do a search on Greg's 69 Dart and look at the pictures of his explosion. I had the twin explosion to his. Rick |
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| Author: | Greg Ondayko [ Mon Apr 23, 2012 10:42 am ] |
| Post subject: | 4-23-12 Flywheel Update |
The Local McLeod Dealer sent my Flywheel back to get the correct Bolt pattern drilled on it. I reccommend to call McLeod Directly to Order your flywhyeel and Tell them to Order part # 464001 but to drill it with a stock Borg & Beck Pattern (McLeod PP Pattern #3 in their Catalog), & that you will be using McLeod # 360116 as your pressure plate - Ask them to drill this Pattern on your flywheel too. I didnt have this problem in 2006 when I ordered # 464001 Directly but This time i Did - Hopefully I can get this all buttoned up in a week or 2. Greg |
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| Author: | Greg Ondayko [ Sat Jul 28, 2012 1:06 pm ] |
| Post subject: | Finally Done 7-28-12 |
Well After all the waiting for McLeod To get the Flywheel drilled correctly I got all the parts back and assembled in the car. I clearly did not have all this trouble back in 2006 when Red Roberts ran the McLeod company. Here is the Remaining install: The flywheel is Back With 3 bolt Patterns on it Now.  It now has the Pattern to mount the Ford 10" Pressure Plate... YAY  I choose To use ARP Pressure Plate Bolts..   These bolts come with Washers from ARP and They are listed for a Ford under ARP Part # 150-2201 - They would work with your stock Slant Flywheel too   Flywheel Installed - Used Some Red Locktite on the Threads.    I will Use the Dinky Plastic Clutch alignment tool until I get the Press. Plate "Started" on the Flywheel.    After I Get the bots started just enough to hold the PP down (finger tight) I swap my clutch alignment tool to an old Input shaft.. I find this to be less hasslesome and the disc does not "slide" around and fall out of alignment with this tool.   Once I get the disc in good smooth alignment with the old input shaft Then I start to crank the PP down in a criss-cross Pattern (much like the lugnut tightening sequence..) but just a few turns at a time at each bolt until the entire PP is bolted flush to the Flywheel and exerting full clamp load. (this process is much like putting a drum head on a Drum)   All Tightened up Flush to flywheel.    Remember the Clearance Notches I made HERE? Here is Why I did that.. On the Dart the Clutch disc caught the Area of the PP near the bolt haed So A little clearance helps.  When I first Test Fit the Bell Housing on I coundnt get it to sit flush against the block.. No Problem.. I shimmed the clutch fork pivot too close to the engine.. I removed one of the 3 Shims I made and clearance as good.   I originally Had a stack of 3 spacers in there. Now just using 2. (this could vary with different TO beareings etc.. By the way Use a New stock TO bearing it will work if you are still using ma mopar's Linkage system.  One of the Bolts needed a bit of grinding so the Bellhousing would sit flat against the front of the trans Face.  The entire Set of Pics for this project may be found here: Greg |
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| Author: | slicknapier [ Sat Sep 08, 2012 9:29 am ] |
| Post subject: | |
Greg thanks for the awesome write up with pics. I am putting a slant six with a 4 speed overdrive in my 48 Dodge Panel truck. The engine is going to to turbocharged, but nothing crazy. My question is, can I have the original flywheel redrilled without any issues? I'm just trying to save a few bucks, so I can get my hydraulic throwout bearing going as well. thanks |
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| Author: | Greg Ondayko [ Sun Sep 09, 2012 8:30 pm ] |
| Post subject: | |
Quote: Greg thanks for the awesome write up with pics. I am putting a slant six with a 4 speed overdrive in my 48 Dodge Panel truck. The engine is going to to turbocharged, but nothing crazy. My question is, can I have the original flywheel redrilled without any issues? I'm just trying to save a few bucks, so I can get my hydraulic throwout bearing going as well. thanks
Hello, I have never tried to Put the Mazda/Ford 10" Pressure Plate Pattern on a Stock Slant Car Flywheel. I would imagine if you were using an 11" truck unit this would not e an issue. You say with out Issues... Well this particular Pressure Plate Bolt pattern sits Very Far out on a stock Slant (car) flywheel.. the holes almost hit the Ring gear.. With The 2 Steel Flywheels (one in the Dart That Has had many High 14 Second Passes on it) this setup has never had any issues.. I do not know and Cannot speculate about the Stock Cast Flywheel holding up When the Holes are Drilled so near the outer edge of the Flywheel. I do know they hold up fine in steel. If you continue this route, get the disc and Pressure Plate Part #'s Listed in the thread from Summit Racing and then take the Pressure Plate and Flywheel to a Very Competent & trustworthy Machinist to have the pattern drilled. It has to be centered spot on. I am not a machinist, Bu I know that if that part of the whole operation is messed up your project is shot. Best of luck. Greg |
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| Author: | slicknapier [ Mon Sep 10, 2012 2:26 pm ] |
| Post subject: | |
Thanks Greg. I do have the truck flywheel, but I can't remember if its the flywheel out of my 67 truck or the 87 truck.. |
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| Author: | vynn3 [ Fri May 17, 2013 8:49 am ] |
| Post subject: | |
Wanted to resurrect this thread since the McLeod Ford/Mazda Pressure Plate doesn't seem to be available anymore. Any idea what the specific application in/was for, so we can cross-reference it with another PP? |
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| Author: | Rick Covalt [ Mon May 20, 2013 6:08 pm ] |
| Post subject: | |
Has anyone talked to Mcleod directly about this? Their online catalog leaves a little to be desired. Ryan's PP was not in the catalog but they had it still. Hopefully this Ford set up is still available!! Rick |
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| Author: | OleSkoolTony [ Fri Apr 25, 2014 4:08 am ] |
| Post subject: | clutch setup |
Ya can still get the flywheel and clutch disc from summit. And one seller has the pressure plate on ebay. Im looking at $700 in just the clutch, flywheel, and p.p. that seems very high |
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