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Username Post: 350 Flexplate/starter issues        (Topic#203201)
clyde 
Member
Posts: 82

Reg: 10-20-05
11-14-08 09:46 PM - Post#1564242    

My friends starter was making a terrible screetching noise when trying to start and eventually ruined starter and maybe flexplate.We are taking the engine and trans out tomorrow to place in a different car. The engine originally came out of a 75 chevy truck. If he orders the flywheel and starter for that model truck will this take care of the problem? I know there is lots of room for error because of different flexplates and straight/staggered starters.I have a flexplate and starter that was on my 283 that worked great. Could that be used on the 350? Thanks
http://s197.photobucket.com/albums/aa193/2drsedan m...


 
52chevybob 
Dedicated Enthusiast
Posts: 5628

Reg: 05-27-08
11-14-08 10:15 PM - Post#1564258    
    In response to clyde

2 flexplate diameters, 168 and 153 tooth.
Three starters, staggered for 168 and straight for 153 tooth flexplates and the tranny mounted one for 168 tooth flexplates as used on early trannys.
Starters have two motors, standard and heavy duty.
400 flexplates have a weight on them to finish balancing the crank.
When you put the flexplate on, make sure that the beveled side of the gear is towards the starter so it can ngage the teeth without problems.

 
raycow 
Honored Member
Posts: 17900

Age: 71
Loc: San Francisco, CA
Reg: 11-26-02
11-15-08 02:23 AM - Post#1564328    
    In response to 52chevybob

The 283 flexplate is probably for a Powerglide. Not certain if it will bolt up to a TH350 converter, but it won't cost anything to find out.

Ray
I said I would serve you. I didn't say to whom.


 
Camaro_69 
Contributor
Posts: 320
Camaro_69
Loc: The 'Burbs of Chicago
Reg: 04-14-07
11-15-08 08:20 AM - Post#1564428    
    In response to clyde

When the starter is making a screeching noise like that, the gear mesh is too loose. If you have any shims between the starter and block take them out. You may need to add shims between the starter and block, under the outboard bolt mounting point only. I've even had to go so far as shaving off some of the starter housing at the inboard mount point to be able to rock the starter close enough to the flexplate.
Rice...It's What's For Dinner!
"Objects In Mirror Are Slower Than They Appear"


 
52chevybob 
Dedicated Enthusiast
Posts: 5628

Reg: 05-27-08
11-15-08 04:35 PM - Post#1564676    
    In response to Camaro_69

Foprgot to mention taht there are two bolt patterns for the convertor. In addition, there are flexplates that have both of them on there.

 
57tim 
Valued Contributor
Posts: 2693
57tim
Loc: Cameron, Wi, USA
Reg: 11-09-01
11-22-08 12:22 PM - Post#1569324    
    In response to raycow

Powerglide flex plate will not work.
57 Bel Air 2dr Ht
327 700r4
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