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Post Info TOPIC: Need bell housing identification......casting number/year made


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Need bell housing identification......casting number/year made


I'm on the hunt for a bell housing for  a 1964 Chev/Pontiac...any information/charts  anywhere that gives the proper casting number

matching the year it was made for? 



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A Poncho Legend!

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http://www.4speedconversions.com/chevy-bellhousings.html



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A Poncho Legend!

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Great webpage but I can't figure out from it which one is for 64?

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1966 Strato Chief 2 door sedan 283 "survivor"


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I figured I'd dig out the parts book.

Not sure if these are all casting numbers (which aren't always the same as part numbers) but here's the part numbers.

3858403 230 taxi or police (may have casting number 3840383 on it)

3785644 230 taxi or police (later in the year)

3858403 283 or 327

3899621 409

Although they will all bolt up to any of those engines, they are made for different clutch sizes.


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1966 Strato Chief 2 door sedan 283 "survivor"


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Thanks Carl(s)....looks like what I'm looking for is 3858403,which would have a 10.5 inch clutch.

I plan to 4 speed my 63 that has power glide and from what I've been reading best stay away from the 1963 (one year only) bell housing.

Another question regarding the fly wheel...how do you know if you have a 153 tooth flywheel or a 168 tooth flywheel?



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A Poncho Legend!

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I think I will be able to figure that out for you in the parts book as well.

Back to you later tonight hopefully.

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1966 Strato Chief 2 door sedan 283 "survivor"


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I was going to start digging and then it occurred to me---are you wanting to know if the original 63 flywheel is 153 or 168? Or a replacement flywheel you are getting that you plan to install when you do the conversion?

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1966 Strato Chief 2 door sedan 283 "survivor"


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I do believe the 153 tooth is 12 3/4" in dia and the 168 is 14" in dia.

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A Poncho Legend!

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I am thinking he is asking if his car currently has a 153 or a 168 but I was hoping he would see this and confirm that. I assume he doesn't want to change starters so wants to stick with the same diameter.

All speculation of course...

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1966 Strato Chief 2 door sedan 283 "survivor"


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I HAD AN ORIGINAL 64 327 CAR.

153 TOOTH AND 383 ON THE BELL.



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From Pontiac 1962-71 Parts Catalogue.....


 

Clutch Housing-01.jpg



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Carl Stevenson wrote:

I am thinking he is asking if his car currently has a 153 or a 168 but I was hoping he would see this and confirm that. I assume he doesn't want to change starters so wants to stick with the same diameter.

All speculation of course...


You eastern dudes need to give us here in Calgary some time to get up in the morning....wink

 

....you're right Carl, wanted to know what my 283 presently has......is there an advantage to changing the flywheel  (and the starter ) to a 168 tooth?

 

Thanks for the list Pierre... I didn't think to look in the same parts book that I have.......doh!

 

From the list......what's FIRST JOBS- STAMPED 3840383/SUP 3858401 and AFTER JOBS - STAMPED 3779553 mean ?



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From the list......what's FIRST JOBS- STAMPED 3840383/SUP 3858401 and AFTER JOBS - STAMPED 3779553 mean ?


 Don't know why they cancel a specific number........

 

 

Superseded Numbers-01.jpg

 

 



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look at the starter bolts....

10.5 flywheel will have starter bolts across from each other, in line

11 flywheel starter bolts will be diagonal

 



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When I was at GM Parts meetings way back when, I was taught that first jobs were built prior to Jan 1st (i.e. on a 63 Pontiac, built before Jan 1 1963) and after jobs were built from Jan 1 to end of the production year. However, this is definitely NOT always true from what I've seen.

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1966 Strato Chief 2 door sedan 283 "survivor"


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how do you know if you have a 153 tooth flywheel or a 168 tooth flywheel?

One has more teeth .    (sorry I had to )



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2 in Calgary .   any good ?  

https://www.kijiji.ca/v-engines-and-engine-parts/calgary/bell-housings/1300819165?enableSearchNavigationFlag=true

$_59.JPG



-- Edited by 427carl on Friday 19th of January 2018 06:37:31 PM

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at . 100.00 or best offer .     someone should grab them ?  



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427carl wrote:

how do you know if you have a 153 tooth flywheel or a 168 tooth flywheel?

One has more teeth .    (sorry I had to )


 that was quite a mouthful Carl....biggrin

Thanks for the Bell Housing ad....I sent an email inquiring about the #'s



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A Poncho Legend!

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Should it not be an aluminum housing?

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1966 Strato Chief 2 door sedan 283 "survivor"


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Maybe aluminum . I was scanning for Kijiji Calgary .

 

would the cast one be ok on a heavy low perf 283 ?   

 

 

p.s.  lots on E-Bay .  



-- Edited by 427carl on Friday 19th of January 2018 06:58:43 PM

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A Poncho Legend!

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Carl Stevenson wrote:

I figured I'd dig out the parts book.

Not sure if these are all casting numbers (which aren't always the same as part numbers) but here's the part numbers.

3858403 230 taxi or police (may have casting number 3840383 on it)

3785644 230 taxi or police (later in the year)

3858403 283 or 327

3899621 409

Although they will all bolt up to any of those engines, they are made for different clutch sizes.





I know the 3840383, 3858403 and 3899621 are aluminum. Not sure about the 3785644 though.

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1966 Strato Chief 2 door sedan 283 "survivor"


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What's the general preferred  flywheel and  the clutch size?



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You'll get lots of varied opinions.

If you just drive it on the street, a 10.5" is fine.

If you want to drive it hard, put in an 11". If you go 11", as Dave mentioned the starter is different. And I don't think you can fit the 11" setup in anything but the 621 bellhousing, but once again, I could be wrong.

My two cents.



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1966 Strato Chief 2 door sedan 283 "survivor"


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63 up were all 153 tooth closed bottom aluminum for a small block and the starter mounts to the block.

62 back were open bottom cast iron (except for some every rare aluminum ones for a 62 409, expensive) and 168 tooth and had a starter mount on the BH. I like the open bottom (can be handy for lots of reasons) and the BH starter mount, the starter and the flywheel align themselves, no need for shims. One of those cast iron ones would likely do the trick, but you'd need a new starter. Check the casting numbers and year on anything you buy, there are some truck ones with a bigger hole for the transmission input shaft.

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63 Pariesienne sport coupe (The Big GTO), black, maroon interior, 409 4 speed; former owner of a 59 El Camino, 63 Corvette SWC, 62 Chev Bel Air SC.

Mahone Bay, NS Still not old enough to need an automatic

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