hi, just wondering how do i tell the difference between a turbo and trimatic pattern motor 253
thanks brenden

turbo or trimatic pattern
Started by
_mattbren_
, Mar 11 2007 03:58 PM
4 replies to this topic
#1
_mattbren_
Posted 11 March 2007 - 03:58 PM
#2
_Viper_
Posted 11 March 2007 - 04:04 PM
I believe the 253's were never made in turbo pattern?
#3
_CHOPPER_
Posted 11 March 2007 - 04:17 PM
Viper is correct. However, I have seen a couple of 253's re-drilled to suit a TH350 before. Post a pic of the back of your block and somebody will be able to tell you.
#4
Posted 12 March 2007 - 08:05 AM
The easiest way for the inexperienced to tell is to measure the locating dowels. 1/2" is Trimatic, 5/8" is Turbo. You can use an open end spanner to check.
Hope this helps.
Hope this helps.
#5
_[BOTTLEDUP]_
Posted 12 March 2007 - 10:34 AM
Good info struggler, that's a nice easy way for the novice to tell. 
Also note that the bolt holes are in different positions.

Also note that the bolt holes are in different positions.
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