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help with a suffix code im told it may be a 302
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Posted: 08/01/09
07:41 PM
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what is the suffix TDS? what size would that motor be?
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Posted: 08/01/09
09:32 PM
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my number goes back to either a 327 or a 302 so what one is it?
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Posted: 08/02/09
09:53 AM
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a 302 will have a 3" crank stroke where a 327 will have 3.25"
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waynep712
Enthusiast
| Posts: 264
| Joined: 01/08
Posted: 08/02/09
02:18 PM
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if the engine is out ... a quick look at the back of the crank will tell you which one it is... the flanges are different between small journal motors...
i have forgotten which ones.. but i know somebody will fix this..
no notches out of the circle.
one notch out of the circle
two notches out of the circle flange..
here is the link to the large journal crank flange shapes..
http://www.montesrule.freehomepage.com/images/sbcranks.jpg
here is what i am talking about...
http://www.carcraft.com/techarticles/283_inch_small_block_chevy/photo_03.html
3 inch stroke small journal has a round flange... 3 inch stroke 302 67 motor has one notch...
here is the 327 small journal with 2 notches
http://www.carcraft.com/techarticles/chevy_327_small_block/photo_04.html
the large journal 327 cranks had sloping shoulders below the 2 notches like this
http://www.carcraft.com/techarticles/chevy_327_small_block/photo_05.html
hope this helps..
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