Adapting chevy bell housing trans

Thread Tools
 
Search this Thread
 
Old July 31st, 2016, 08:00 AM
  #1  
CJG
Registered User
Thread Starter
 
CJG's Avatar
 
Join Date: Jul 2016
Posts: 186
Adapting chevy bell housing trans

ok. A guy I work with had a th350 built to stage 2 for a street rod project but now has to sell to pay other bills. I can get it for $600 but want to clear things up about the adapter plate install. I see a few different brands of adapters ranging from about $50-100. Are they all about the same and you are paying for brand name or should I stick to a more expensive one? Then, am I correct that all there is to it is to bolt the plate up to the engine, then bolt the trans to it like normal and it's good too go? Going to a 455. Thanks!
CJG is offline  
Old July 31st, 2016, 08:25 AM
  #2  
Registered User
 
Magna86's Avatar
 
Join Date: Mar 2012
Location: Chesapeake, VA
Posts: 1,224
You bolt it to the transmission and yes they are all basically the same. Most kits come with the spacers you need to use between the TQ and the flexpate so it is fully engaged on the transmission input shaft.
Magna86 is offline  
Old July 31st, 2016, 10:16 AM
  #3  
Old(s) Fart
 
joe_padavano's Avatar
 
Join Date: Mar 2007
Location: Northern VA
Posts: 47,684
The adapter plates are NOT all the same. Some of the cheaper ones only pick up four of the six bellhousing bolts. Be sure you get a properly machined spacer for the crank pilot along with the plate. Note that the second one includes this pilot spacer as well as picking up all the bolt holes. Also avoid adapters like the third one, which includes spacers for the torque converter bolts but not the centering spacer for the crank pilot.




joe_padavano is offline  
Old July 31st, 2016, 12:44 PM
  #4  
CJG
Registered User
Thread Starter
 
CJG's Avatar
 
Join Date: Jul 2016
Posts: 186
Ok that's very helpful. So do you have advice on a particular brand or place topic base one that has exactly what I need?
CJG is offline  
Old July 31st, 2016, 09:29 PM
  #5  
Registered User
 
65vistacruiser's Avatar
 
Join Date: Apr 2013
Location: Menomonee Falls, WI.
Posts: 46
I agree with Joe 100%. I got that second one from summit for about $109.

It's 5/16" thick and it came with spacer washers for the converter bolts. You may want to replace your stock alignment pins in the block with extended pins also. If you can get the old ones out.

Last edited by 65vistacruiser; July 31st, 2016 at 09:34 PM.
65vistacruiser is offline  
Old July 31st, 2016, 11:17 PM
  #6  
Out of Line, Everytime😉
 
olds 307 and 403's Avatar
 
Join Date: Dec 2006
Location: Melville, Saskatchewan
Posts: 9,008
I used the top one when I put an Olds 350 in my 94 Chevy 4x4, I should have bought the second one.
olds 307 and 403 is offline  
Old August 2nd, 2016, 04:59 PM
  #7  
CJG
Registered User
Thread Starter
 
CJG's Avatar
 
Join Date: Jul 2016
Posts: 186
Ok, one more question, with this adapter in place, will the slip yoke have enough play to still allow driveshaft and everything to bolt up properly without any other modifications?
CJG is offline  
Old August 2nd, 2016, 07:53 PM
  #8  
Registered User
 
marxjunk's Avatar
 
Join Date: Jun 2011
Location: KANSAS CITY, KS
Posts: 2,030
ive used a dozen like the top...i get them from speedway and the ones i use are blanchard ground and are .125 thick..everywhere ive measured one they are consistent...

never had an issue..but they arent 50 bux..
marxjunk is offline  
Old August 2nd, 2016, 08:02 PM
  #9  
Registered User
 
oldolds88's Avatar
 
Join Date: May 2012
Location: laingsburg mi
Posts: 1,458
have the guts put into a unibell housing fit both chevy and bop
oldolds88 is offline  
Old August 3rd, 2016, 12:03 PM
  #10  
CJG
Registered User
Thread Starter
 
CJG's Avatar
 
Join Date: Jul 2016
Posts: 186
Originally Posted by CJG
Ok, one more question, with this adapter in place, will the slip yoke have enough play to still allow driveshaft and everything to bolt up properly without any other modifications?
I am assuming this is true? I cant afford to go to a unibell im pretty much getting the stuff I have for a little bit of nothing and on a tight budget.
CJG is offline  
Old August 3rd, 2016, 03:03 PM
  #11  
Old(s) Fart
 
joe_padavano's Avatar
 
Join Date: Mar 2007
Location: Northern VA
Posts: 47,684
Originally Posted by CJG
I am assuming this is true? I cant afford to go to a unibell im pretty much getting the stuff I have for a little bit of nothing and on a tight budget.
No issue with the yoke. Don't worry about it.
joe_padavano is offline  
Old August 3rd, 2016, 05:50 PM
  #12  
CJG
Registered User
Thread Starter
 
CJG's Avatar
 
Join Date: Jul 2016
Posts: 186
Ok. Thanks Joe.
CJG is offline  
Old August 4th, 2016, 11:07 AM
  #13  
CJG
Registered User
Thread Starter
 
CJG's Avatar
 
Join Date: Jul 2016
Posts: 186
Where can I find some extended alignment dowels? I currently dont have any so I dont know what I need or how many.
CJG is offline  
Old August 5th, 2016, 09:08 AM
  #14  
Registered User
 
wr1970's Avatar
 
Join Date: Sep 2013
Posts: 3,607
Originally Posted by marxjunk
ive used a dozen like the top...i get them from speedway and the ones i use are blanchard ground and are .125 thick..everywhere ive measured one they are consistent...

never had an issue..but they arent 50 bux..
Not available from speedway right now. No stock.
wr1970 is offline  
Old August 8th, 2016, 07:47 PM
  #15  
CJG
Registered User
Thread Starter
 
CJG's Avatar
 
Join Date: Jul 2016
Posts: 186
Ok I'm going to order the trans dapt adapter, but am having trouble understanding exactly how this all fits together when reading the instructions. Maybe I'm making it harder than it actually is? Surely I can figure it out once I see it in person lol.ive tried to find pics or video of it installed or being installed but find nothing.
CJG is offline  
Old August 9th, 2016, 08:41 AM
  #16  
Registered User
 
marxjunk's Avatar
 
Join Date: Jun 2011
Location: KANSAS CITY, KS
Posts: 2,030
its brain dead simple....slide it on the block then put trans on...add bolts..its easy
marxjunk is offline  
Old August 9th, 2016, 08:45 AM
  #17  
CJG
Registered User
Thread Starter
 
CJG's Avatar
 
Join Date: Jul 2016
Posts: 186
Originally Posted by marxjunk
its brain dead simple....slide it on the block then put trans on...add bolts..its easy
Ok, well according to my wife, it may still be tough for me then! LOL! Thats what I thought, just the directions I printed out didnt make much sense. Thanks!
CJG is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
70opel
Parts Wanted
2
March 11th, 2016 12:19 PM
ncwitte
Ninety-Eight
9
May 8th, 2013 04:12 PM
dan2286
Transmission
4
July 26th, 2008 05:00 PM
59-59-59
Brakes/Hydraulic Systems
1
June 30th, 2008 01:01 PM
ozoneblue
Parts Wanted
0
August 21st, 2007 05:59 PM



Quick Reply: Adapting chevy bell housing trans



All times are GMT -7. The time now is 10:48 PM.