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small block A727 starter location #2422303 12/22/17 02:07 PM 12/22/17 02:07 PM
Joined: Mar 2007 Posts: 314 Manitoba, Canada B Big Wedge OP enthusiast
Big Wedge OP enthusiast B Joined: Mar 2007 Posts: 314 Manitoba, Canada	Hi. Does anyone have a drawing of the small block automatic showing the exact location of the starter pilot hole? I have found drawings that show the mounting bolts and dowel pins but nothing with the starter location. Garth

Re: small block A727 starter location [Re: Big Wedge] #2422326 12/22/17 03:23 PM 12/22/17 03:23 PM
Joined: Sep 2003 Posts: 19,408 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,408 north of coder	if you are just looking for general location to be able to quickly identify the small block transmission, the starter nose locator hole is approximately at the 4o'clock position from the centerline of the input shaft. the big block nose locator is at the 3o'clock position from the input shaft centerline. i may have the true blueprint position some where, but i'll have to look.

Re: small block A727 starter location [Re: moparx] #2422397 12/22/17 06:29 PM 12/22/17 06:29 PM
Joined: Mar 2007 Posts: 314 Manitoba, Canada B Big Wedge OP enthusiast
Big Wedge OP enthusiast B Joined: Mar 2007 Posts: 314 Manitoba, Canada	Hi. I was looking for some dimensions. I am trying to locate this in a CAD model for an oil pan design.

Re: small block A727 starter location [Re: Big Wedge] #2423853 12/26/17 11:28 AM 12/26/17 11:28 AM
Joined: Sep 2003 Posts: 19,408 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,408 north of coder	i found this in an old direct connection chassis manual. if you blow it up some, it might get you started.

Re: small block A727 starter location [Re: moparx] #2424614 12/27/17 09:10 PM 12/27/17 09:10 PM
Joined: Mar 2007 Posts: 314 Manitoba, Canada B Big Wedge OP enthusiast
Big Wedge OP enthusiast B Joined: Mar 2007 Posts: 314 Manitoba, Canada	Thank you.

Re: small block A727 starter location [Re: Big Wedge] #2424670 12/27/17 11:08 PM 12/27/17 11:08 PM
Joined: Sep 2007 Posts: 14,889 up yours Supercuda About to go away
Supercuda About to go away Joined: Sep 2007 Posts: 14,889 up yours	That drawing is for bellhousings. Not sure if it's the same place on a 727. They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.

Re: small block A727 starter location [Re: Supercuda] #2424848 12/28/17 01:14 PM 12/28/17 01:14 PM
Joined: Sep 2003 Posts: 19,408 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,408 north of coder	Originally Posted By Supercuda That drawing is for bellhousings. Not sure if it's the same place on a 727. true, but bolt patterns, dowel locations should be the same. the big thing to consider is the ring gear on the converter and flywheel will determine the starter location [i think]. i know there are [at least] two diameter/teeth count flywheels. is it possible the torque converter ring gear diameter/tooth count is common to one of the flywheels ? i have a converter ring gear off on the shelf. i'll grab it and report back on it's specs.

Re: small block A727 starter location [Re: moparx] #2424853 12/28/17 01:23 PM 12/28/17 01:23 PM
Joined: Sep 2007 Posts: 14,889 up yours Supercuda About to go away
Supercuda About to go away Joined: Sep 2007 Posts: 14,889 up yours	Originally Posted By moparx true, but bolt patterns, dowel locations should be the same. He didn't ask for those, because none of that information will affect the OIL PAN he's working on. The starter location will, which for the record is not provided in that drawing anyway.. Last edited by Supercuda; 12/28/17 01:25 PM. They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.

Re: small block A727 starter location [Re: Supercuda] #2424859 12/28/17 01:34 PM 12/28/17 01:34 PM
Joined: Sep 2003 Posts: 19,408 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,408 north of coder	well, i tried.......

Re: small block A727 starter location [Re: moparx] #2424863 12/28/17 01:38 PM 12/28/17 01:38 PM
Joined: Sep 2003 Posts: 19,408 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,408 north of coder	if that drawing could be blown up to a "true" 1:1, the starter location could be measured within .005-.010 by using known points. i have done that in the past many times with great accuracy when dimensions were inadvertently left of of prints.

Re: small block A727 starter location [Re: Big Wedge] #2424907 12/28/17 02:35 PM 12/28/17 02:35 PM
Joined: Sep 2007 Posts: 14,889 up yours Supercuda About to go away
Supercuda About to go away Joined: Sep 2007 Posts: 14,889 up yours	That might work, assuming the drawing is to scale. Odd that it does show for the BB one They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.

Re: small block A727 starter location [Re: Supercuda] #2425321 12/29/17 01:08 PM 12/29/17 01:08 PM
Joined: Sep 2003 Posts: 19,408 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,408 north of coder	Originally Posted By Supercuda That might work, assuming the drawing is to scale. Odd that it does show for the BB one my thoughts also. i'm thinking i "may" have a print somewhere that shows an overlay of the back of an early hemi against the bellhousing of a late small block 727. i'll have to look for that.

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