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06-29-2012, 11:35 AM
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#1 |
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Registered User
 
Join Date: May 2012
Location: Anton, Texas
Posts: 2,364
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292 flexplate info.
looking to change from 292 with 4 speed granny to 292 with th350 auto trans, what flexplate will i need to do the swap. i have a 1985 flex plate from a th 350
trans that was behind a 305 v 8 , but have heard it wont work.....can anyone help me on this..... |
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06-29-2012, 12:40 PM
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#2 |
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member #16
 
Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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Re: 292 flexplate info.
There is some 292 flex plate info in this thread.
http://67-72chevytrucks.com/vboard/s...d.php?t=530691
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john http://67-72chevytrucks.com/vboard/showgroups.php board vendors  http://www.flickr.com/photos/1745471...7602865984234/ |
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06-29-2012, 01:16 PM
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#3 |
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Registered User
Join Date: May 2012
Location: Anton, Texas
Posts: 2,364
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Re: 292 flexplate info.
john: thanks for the info.....still not clear what its going to take for the flexplate, i was hoping some one has done this that could chime in for the th 350 swap....
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06-29-2012, 02:54 PM
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#4 |
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Registered User
Join Date: Jul 2010
Location: Hemet,Ca
Posts: 1,502
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Re: 292 flexplate info.
Count the teeth on your current flexplate that was used on your 292 and that should tell you which one to buy. 153 or 168. Can only be 1 of the 2. They cost $25 at truck shop in Orange,ca.
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Stovebolt-It is painted |
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06-29-2012, 03:08 PM
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#5 | |
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Senior Member
 
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,375
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Re: 292 flexplate info.
Quote:
 Posted via Mobile Device
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A husband can be right...or...A husband can be happy.  67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk.  1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc   JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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06-29-2012, 04:55 PM
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#6 |
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Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,228
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Re: 292 flexplate info.
The 292 from about 67 up had larger mounting holes than the early models & the other engines. You can drill thev holes in the flexplate out to 1/2 in. & get bolts for the 292 flexplate.
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06-29-2012, 05:15 PM
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#7 | |
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It's Better With Nitro
Join Date: Apr 2008
Location: Chino Hills, CA
Posts: 2,262
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Re: 292 flexplate info.
Quote:
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1963 C-10: Deluxe-optioned cab, shortbed, fleetside Pontiac 462 ci, Kauffman D-Port alum. heads 4L80E, narrowed sheetmetal Ford 9-inch Tubular front and rear suspension Custom 6-piston front disc and 4-piston rear disc brakes |
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06-29-2012, 06:05 PM
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#8 |
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Registered User
Join Date: Mar 2004
Location: Hoytsville, Utah
Posts: 3,365
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Re: 292 flexplate info.
I have been going through this very thing lately and this is what I know: if you need a 168 tooth with a 10.5" torque converter pattern-they don't exist. I finally had to get a dual pattern flex plate and ream the crank holes to 1/2 inch (from 7/16") and add 2 more alignment pin holes. I did this today on my friends mill, because he has a turn-table with degree marks so it was super easy to get it right. I am happy to report that my newly modified flex plate is mounted and if I knew how much to torque the bolts, I'd put in my trans.
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'68 Panel Project Boogie Chillin' '68 C-10 Ol' Green |
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06-29-2012, 08:07 PM
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#9 |
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Registered User
Join Date: May 2012
Location: Anton, Texas
Posts: 2,364
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Re: 292 flexplate info.
thanks to all.....this was the kind of info i was needing...not sure how many teeth my flywheel has but i will try and find out before i start the tear down. the flex plate i have i can count the teeth on it.... and see what size the torque converter is....would rather have the info. before i start...instead of diggin up a bunch of snakes half way into the project....thanks again and if anyone else has an idea please let me know.....
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06-29-2012, 11:44 PM
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#10 |
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Registered User
Join Date: Mar 2004
Location: Hoytsville, Utah
Posts: 3,365
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Re: 292 flexplate info.
How are your starter arraigned? Mine are straight across from each other, instead of on a diagonal like most all others. I never could find the right starter nose in the junkyards, so I had to buy one from a starter shop ($20 or so) and the starter company had to order it and it took a week to get it, so I had them go ahead and build me a starter. This bolts-straight-across nose seems to be the reason you have to use a 168 flex plate (168's are 14" across, and the 153's are more like 13" or a little less).
This picture, you can see how my starter is bolted on. I'm not a very good picture editor, but the heavy black line is about how the outer bolt is, and the little arrow is the inner bolt.  I can take a better picture if you need.
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'68 Panel Project Boogie Chillin' '68 C-10 Ol' Green |
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06-30-2012, 10:38 AM
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#11 |
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Registered User
Join Date: May 2012
Location: Anton, Texas
Posts: 2,364
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Re: 292 flexplate info.
pritch: the pics are great.....the more info i can get the easier it will be on me, i have not checked my starter bolt up yet but i need to check that out also...
thanks for the info.....this is my first inline six project, i like the 292 but its alot different that the v-8 stuff.....love the pics... |
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