Hei Distributor on a 348 motor

Jaime arias

Well Known Member
Supporting Member 1
When you say output spline will be different that would be the end of tranny correct...don thanks for your help as well
 

pvs409

Well Known Member
Supporting Member 11
If you have a Chevy 2 speed PG transmission it will have a 27 spline output shaft to fit a driveshaft with a 27 spline input yoke.
Other transmission output splines ( I did not list all the options)
350 Turbo = 27 spline
400 Turbo = 32 spline
700R4 overdrive = 27 spline
57 to 63 Borg Warner 4 speed = 16 spline ( normally called coarse spline)
63 to 70 Muncie 4 speed = 27 spline
70 to 74 Muncie 4 speed = 32 spline
Richmond 5 Speed and 6 speed = 32 spline

Also a PG transmission is the same overall length as a 350 Turbo transmission
BW & Muncie’s listed above are the same length as a PG

Paul
 

Jaime arias

Well Known Member
Supporting Member 1
Sorry for the late response but I appreciate all the information you guys give me it helps out alot thanks again here a picture of my tranny now
 

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floyd

Well Known Member
What plugs are you using?Try your timing at idle at 8 degrees before top dead center,are you using premium fuel?Double check that you have a ground strap between block and cab or frame for proper ground.
 

Jaime arias

Well Known Member
Supporting Member 1
What's up everyone I have a question how could I tell if my motor is the original one to my car even including the transmission....is there a way to find out...thank
 

floyd

Well Known Member
Run the block numbers and tranny numbers on google,this should give you the years,model of vehicle these came in,what do you have whats in it?
 

Don Jacks

Well Seasoned Member
Supporting Member 3
Jamie,the current transmission in your car isn't original to your car since the 58 powerglides were cast iron.If your looking for an answer about the engine,it simply doesn't exist. The vin will only tell wheather the the car came with a 6 or 8 cylinder engine.There's nothing on the data plate,and partial vin's on the engine didn't start until 62 beginning with the 300 horse 327 engine.I 'm not saying that it is or isn't just that there is no 100 percent way to prove that it is.
 
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