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Thread: Centerline Convo Pro wheel issue
          
   
   

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  1. #16
    rspears's Avatar
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    I agree with you 100% Ryan. If the shank on the lug nuts measures the same as your lug bolts then the lug bolts provide exactly the same function as a smaller lug bolt plus the shank style lug nut. As a bonus you don't have to worry about the depth of the shank bottoming out before the wheel is tight on the hub. You're good to go, in my opinion, and there is no way that you have any increased liability. In fact, a 5/8" stud is going to be considerably stronger than the 1/2" lug plus the shank style nut, again, IMO.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  2. #17
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    Quote Originally Posted by jerry clayton View Post
    No Ryan---I'm not telling you anything because it would be a waste of my time---I'm telling the other 30,000 members that there are SFI specs for wheels and fasteners-------------------
    Well I'm glad I'm a waste of your such important time.....................
    Ryan
    1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
    1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
    1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
    1971 Camaro RS 5.3 BTR Stage 3 cam, SuperT10
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  3. #18
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    Ryan---you asked in post #1 if any one had any experience with this issue---several guys answered----------


    Now you have posted pics of the new wheels and I simply stated about the SFI specs-------If you go back to the early days of custom wheels and check out the history of all the SPI specs that the aftermarket manufactures have to adhere to you will discover that it began with wheels.


    It seems to me that an issue here is that the Moser axles you have are the inferior parts in that they don't center your wheels.


    It also seems that the Centerline guys told you numerous times about the lugs





    You have some mismatched parts in a very critical area and it could effect not only your safety but the safety of other competitors, spectators or folks on the road ways-


    Please be calm and thoroughly check it out completely beyond the slightest and most extreme possibilities---------


    http://www.strangeengineering.net/hi...0-washers.html
    Last edited by jerry clayton; 04-17-2014 at 04:39 PM.

  4. #19
    rspears's Avatar
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    Jerry,
    You've mentioned SFI, and then SPI which I believe is Serial Peripheral Interface standards having to do with computers. If you look at SFI they very clearly state that they are a service to manufacturers, i.e.
    The primary users of SFI standards, or specifications (specs), are equipment manufacturers whose products are tested and self-certified to the appropriate procedures. SFI Specs are included as part of the rules of race sanctioning organizations. Ultimately, the consumer benefits from the SFI program because it establishes recognized levels of performance or quality for a given product which results in a safer racing environment.
    SFI specs provide a QA/QC basis, but have nothing to do with the use of equipment. Now you can of course say that the wheel in question was SFI certified with the use of shank style nuts, but SFI doesn't say anything about using the wheel with oversize lugs. As far as a MOSER axle being "...the inferior parts" I couldn't disagree with you more strongly. MOSER axles are among the best products out there for extra duty applications, IMHO.

    I think your application is fine, Ryan.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  5. #20
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    #1- The guys that answered were not running 5/8" studs, they were running stock type studs.

    #2-You keep bringing up SFI specs. That's great, the SFI spec isn't being changed here because of the fastener. The shank lug nuts these wheels are designed to run still retain a flat washer just as the drag studs I have and the shank lug nuts measure what my studs measure. The Strange link you posted has a different 5/8" kit with the thin sleeves that my Moser ones do not run. So if anything, I need to look into getting the sleeves as my centering devices.

    #3-After looking at this, it probably isn't the Moser axle that is the issue, it probably is the fact that I have to run a spacer inbetween my axle and wheel to keep the wheel from hitting my brake caliper. I never noticed the wheel centering issue until now.

    #4-The safety. I want it 100% safe and that is why I asked. Like I said, the way the Cragars were bolted on are how I keep being told everyone else is doing it and I want to make sure I do this correctly because if one of those wheels comes off it is game over. There has been no issue yet and this car has made several passes with a heck of a lot of torque. But, I don't want to give a reason for failure either.
    Last edited by 40FordDeluxe; 04-17-2014 at 04:43 PM.
    Ryan
    1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
    1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
    1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
    1971 Camaro RS 5.3 BTR Stage 3 cam, SuperT10
    Tire Sizes

  6. #21
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    Roger---I edited the spelling


    I agree with you that The Moser axles/products are some high quality pieces and I have used lots of them ( too bad he had to die in that plane crash) They are my second choice behind Strange (located here in Northern Illinois) and Summers Bros are on the west coast------------


    I believe that Ryan intends to run this car on the strip and it is a very altered vehicle with that diesel engine which would require it to fit a higher level of specs before being allowed on track---------I was pointing out some very basic points which I believe that with my experience and background I am very highly qualified ---------I have been on the receiving end of a faulty axle and seen others also------ Herm Peterson is just one example---he knows he is extremely blessed to be alive with severe burns on his hands and face--------there was also a fan killed a few years ago from a wheel failure on I think it was Anton Browns top fueler at Pomona???


    Almost all of the required parts on the todays drag cars have to be recertified to the SFI specs annually--------


    I don't care if in your opinion that Ryan's application is fine----------but I would appreciate it if you'd edit your post changing your slant that YOU think in YOUR opinion its hunka dori and that JERRY is wrong-------


    I have posted in this thread not only to call Ryan s attention to these facts but all the members that are reading the thread----


    Maybe Tech will answer since he was an NHRA inspector his opinions

  7. #22
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    Yes, I intend to run the car on the strip at some point again. It will be with the Cragar wheels and street slicks I am taking off. The Convo Pros will be ran on the street. I like the look of the convo's and don't want to be prematurely wearing out the expensive quick times, so we decided to just get a second set of wheels and tires so each has it's purpose. And, I started this thread asking questions purposly to try and make sure I am doing it correctly. If you go back and read the replies, not one person used 5/8" studs like mine. They appear to be all pretty stock type cars which would be a no brainer with the shank lug nuts. And I didn't find out about this issue until after we ordered the wheels. The sales person at Jeggs said they'll work fine with 5/8" drag studs.

    I still can't get over how you believe that the shank type lug nut is the only way for these wheels to be ran. You yourself posted a link to two different types of Strange type wheel studs. There will be no issue once I have something to center the wheel on the axle.
    Last edited by 40FordDeluxe; 04-17-2014 at 05:09 PM.
    Ryan
    1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
    1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
    1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
    1971 Camaro RS 5.3 BTR Stage 3 cam, SuperT10
    Tire Sizes

  8. #23
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    Ryan-----most wheels had a 11/16 hole and that's why the thin wall spacer in the Strange stud package-------some very early/mid 60s wheels were 5/8 but shortly all went ti 11/16 except for the ET with the uni spacers----------


    Please check those holes in the wheels very carefully because I think you will find that they are 11/16----

  9. #24
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    I'll check it for sure. And if they are, a simple sleeve like the strange kit had would work to fill the void. That plus a spacer correcting the wheel centering, and I should be golden. Correct?
    Ryan
    1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
    1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
    1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
    1971 Camaro RS 5.3 BTR Stage 3 cam, SuperT10
    Tire Sizes

  10. #25
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    I just checked and the shank size is .680-----------also couldn't you get a pair of wheels with the back spacing that would clear your brakes and not need a spacer??????????

  11. #26
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    Jerry, it would have to be a custom wheel because my caliper sticks over the edge of the axle and the wheel center hits the caliper. Kind of a down fall of the OEM Corvette calipers from what I have noticed.
    Ryan
    1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
    1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
    1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
    1971 Camaro RS 5.3 BTR Stage 3 cam, SuperT10
    Tire Sizes

  12. #27
    jerry clayton's Avatar
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    Maybe I can get to see that thing run sometime---do you go to the World Series Drag Racing at Cordova?

  13. #28
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    I haven't taken it there, no sir. I went to the World Series before I got the car done though. Definitely a nice race. I kind of got busy and quit racing the car as I was having trans issues and we got busy with our side business and then all of a sudden I have 3 kids so racing kind of went on the back burner. I think we have the trans issue figured out, but when we took it out last fall to test it and 2 injectors stuck closed. The fuel got algae in it probably from sitting with the fuel additive I was running. It is a cetane booster and I found out it promotes algae growth which is not good in diesel. Needless to say it got parked in the shed and has been not used. Now we're getting ready to make the car actually street legal. I never got around to putting head lights on it or turn signals. It was mainly a drag car and we drove it on the street to car shows. (With the proper insurance) I'd like to get it to where the car can be driven where ever instead of a trailer queen. The narrow tires on the front are sketchy with all the pot holes so a taller wider tire is going on up front and sportsmans or something radial in the rear in case it rains. Haha
    Ryan
    1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
    1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
    1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
    1971 Camaro RS 5.3 BTR Stage 3 cam, SuperT10
    Tire Sizes

  14. #29
    jerry clayton's Avatar
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    When you get it ready to run send me a PM---Iowa is just across that creek down the west side of Illinois

  15. #30
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    Will do. It's been to Byron a couple times. They usually have a diesel thing my brother takes it to. I'll have to see if they are doing it again this year.
    Ryan
    1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
    1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
    1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
    1971 Camaro RS 5.3 BTR Stage 3 cam, SuperT10
    Tire Sizes

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