Bellhousing Installation
#973169
04/14/11 05:55 PM
04/14/11 05:55 PM
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Joined: Jan 2008
Posts: 1,300
Washington
19cuda73
OP
pro stock
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OP
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Joined: Jan 2008
Posts: 1,300
Washington
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I wanted to move this to the restoration site. I was wondering how frequently the bellhousing alignment is an issue when installing the tranny on a small block.
My block doesn't seem to have these offset dowel pins mine are straight across from each other. Any info would be appreciated. Thanks
1966 Charger 383 4 speed (Black with Red interior)
1973 Cuda 340 4 speed (Lemontwist)
1972 Corvette
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Re: Bellhousing Installation
[Re: 19cuda73]
#973170
04/14/11 05:58 PM
04/14/11 05:58 PM
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Joined: Jan 2008
Posts: 1,300
Washington
19cuda73
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here is a picture of my 340block, my dowel pins are straight across from each other.
1966 Charger 383 4 speed (Black with Red interior)
1973 Cuda 340 4 speed (Lemontwist)
1972 Corvette
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Re: Bellhousing Installation
[Re: anlauto]
#973173
04/14/11 07:38 PM
04/14/11 07:38 PM
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Joined: Jan 2003
Posts: 74,992
U.S.S.A.
JohnRR
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Quote:
If you're using a factory bell housing with factory dowel pins etc...I doubt you have to worry about any type of off-set ? At least I've never heard of that 
Not true , I have a factory 70 Bellhousing and it was pretty far off. Not many people check them because they think the factory machined it correctly 
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Re: Bellhousing Installation
[Re: JohnRR]
#973174
04/14/11 07:50 PM
04/14/11 07:50 PM
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Joined: Jan 2008
Posts: 1,300
Washington
19cuda73
OP
pro stock
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OP
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Thanks Guys I will find out tomorrow when I bolt up the tranny. I think its all good!!!
1966 Charger 383 4 speed (Black with Red interior)
1973 Cuda 340 4 speed (Lemontwist)
1972 Corvette
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Re: Bellhousing Installation
[Re: Dan Brewer]
#973176
04/15/11 08:57 AM
04/15/11 08:57 AM
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Joined: Jan 2003
Posts: 74,992
U.S.S.A.
JohnRR
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I Win
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Quote:
Why not check it? Easier than having a problem and having to take everything back apart.
Dan
Because people want the easy way out, just because you can force parts together doesn't mean they are correctly together.
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Re: Bellhousing Installation
[Re: JohnRR]
#973177
04/15/11 12:58 PM
04/15/11 12:58 PM
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Joined: Jan 2004
Posts: 289
Toronto, ON
ehbody
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enthusiast
Joined: Jan 2004
Posts: 289
Toronto, ON
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 Yep, check it. I had to put in offset dowels when I replace my incorrect bellhousing. Made installing the transmission a little easier.
Shawn
70 AAR
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Re: Bellhousing Installation
[Re: John_Kunkel]
#973179
04/15/11 04:57 PM
04/15/11 04:57 PM
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Joined: Jan 2003
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U.S.S.A.
JohnRR
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I Win
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Quote:
Quote:
If you're using a factory bell housing with factory dowel pins etc...I doubt you have to worry about any type of off-set ? At least I've never heard of that
The clutch housing was align bored at the same time the block mains were and that housing stayed with the block all through the build process.
I never knew that. Now we have matching numbers bellhousings. 
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Re: Bellhousing Installation
[Re: JohnRR]
#973183
04/18/11 07:16 AM
04/18/11 07:16 AM
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Joined: Sep 2009
Posts: 263
Switzerland, Europe
Swiss_Robert
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enthusiast
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Posts: 263
Switzerland, Europe
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Just my humble  -story. I have a big block - but however: I had to replace the cracked bellhousing and got one alu bellhousing from brewers. Decided to check it (as brewers recommend) as showed in the manual - and it was inside tolerance (radial and axial), so no offside dowels necessary.
After all these years having a 440 I realized that this means having an attitude... and a budget.
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Re: Bellhousing Installation
[Re: GomangoCuda]
#973185
04/26/11 02:08 PM
04/26/11 02:08 PM
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Joined: Jan 2003
Posts: 74,992
U.S.S.A.
JohnRR
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I Win
Joined: Jan 2003
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Quote:
Quote:
If you're using a factory bell housing with factory dowel pins etc...I doubt you have to worry about any type of off-set ? At least I've never heard of that
Note that the original posting above shows a page from the Factory Service Manual that clearly explains how to check and correct misalignment so apparently the factory recognised an issue here.
If anybody checks theirs and decides to get offset dowels these are absolutely the ones you want. http://www.robbmcperformance.com/products/dowels.html
Everybody elses are sized for Ford engines and fit way too tight.
Exactly , Ford dowel is .500 , Mopar dowel is .496 , the dowels sold by Lakewood and such are .500 FORD dowels marketed as Mopar/Ford dowels. At least 1 member cracked his block installed the Lakewood dowel.
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