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Small block toothed flex plate? #2691805
08/27/19 02:38 AM
08/27/19 02:38 AM
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Brisbane Australia
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crash520 Offline OP
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Guys is there such thing as a 130 tooth small block flex plate? Need one for engine dyno, std 6 bolt pattern?

Re: Small block toothed flex plate? [Re: crash520] #2691898
08/27/19 10:40 AM
08/27/19 10:40 AM
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AndyF Offline
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No, Mopar flex plates don't have teeth on them. If you need teeth then you have to buy a flywheel. I have a 6 bolt flex plate for sale in the race section but it doesn't have teeth on it.

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Re: Small block toothed flex plate? [Re: crash520] #2691909
08/27/19 11:18 AM
08/27/19 11:18 AM
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pittsburghracer Offline
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Originally Posted by crash520
Guys is there such thing as a 130 tooth small block flex plate? Need one for engine dyno, std 6 bolt pattern?






If you keep your eyes open you should be able to pick up a used flex plate from someone running a powerglide. New ones are available from places like Summit or Jegs. I have both 6 and 8 bolt ones I use in my cars


1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Small block toothed flex plate? [Re: pittsburghracer] #2691981
08/27/19 02:42 PM
08/27/19 02:42 PM
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crash520 Offline OP
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I did see QuickTime do toothed flexplates for those who use GM style converters etc, that’s pretty much what I need I think

Re: Small block toothed flex plate? [Re: crash520] #2693555
09/01/19 10:40 PM
09/01/19 10:40 PM
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Burnincircles Offline
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Re: Small block toothed flex plate? [Re: crash520] #2693566
09/02/19 02:24 AM
09/02/19 02:24 AM
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Melbourne , Australia
LA360 Offline
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Originally Posted by crash520
Guys is there such thing as a 130 tooth small block flex plate? Need one for engine dyno, std 6 bolt pattern?


If it's for a Superflow Dyno, you'll need a flywheel. I've seen people use toothed flexplates in a pinch, but it's not ideal. The DTS tailshaft style from memory require an crankshaft adapter.

Not sure what the tooth count is typically on a V8 flywheel, but there should be someone you might be able to borrow one or buy one from.

Last edited by LA360; 09/02/19 02:25 AM.

Alan Jones
Re: Small block toothed flex plate? [Re: LA360] #2694060
09/03/19 05:14 PM
09/03/19 05:14 PM
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crash520 Offline OP
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Thanks Guys, yep saw the TCI plates, I’m still trying to contact the dyno guys to work out what’s needed, I have a feeling it might be a DTS type

Re: Small block toothed flex plate? [Re: crash520] #2694554
09/05/19 12:27 AM
09/05/19 12:27 AM
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Melbourne , Australia
LA360 Offline
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Depending on their set up, you may just need the flexplate to start it. DTS had an option for a remote starter as well.


Alan Jones
Re: Small block toothed flex plate? [Re: LA360] #2695502
09/08/19 03:14 PM
09/08/19 03:14 PM
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crash520 Offline OP
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Thanks all for your help.
I’m in limbo right now as the two dyno guys I had recommended to me aren’t interested in doing what I’m seeking.
I have a 408 that is fitted with TBI and is a fresh build, the TBI I have currently running on my 340.
I simply want to put the 408 on a dyno for its first runs, check for leaks and issues, re torque heads and so on and see what we can get out of it with the TBI and work on a WOT, tune set up. Well both have said “ nah, we’ll tune it with one of our carbs, then put the EFI on it and you can tune it on a chassis dyno” so what are they going to tune if they use their own carb??

Re: Small block toothed flex plate? [Re: crash520] #2695539
09/08/19 06:26 PM
09/08/19 06:26 PM
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AndyF Offline
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That is a pretty common response for a dyno shop these days. A lot of dyno shops haven't gotten up to speed on EFI yet so they aren't comfortable running an EFI engine. When I needed to test my EFI engine I worked with one of the local dyno shop owners to get his shop set up for for the testing. It took a fair amount of work and money to do. We had to buy a new fuel pump setup, change some of the wiring, add some sensors, run USB cables to the control room and stuff like that.


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