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Per Berglund · 10-30-2003, 02:21 AM

Do you have a C4 tranny?

If it is a 1969 stock tranny you have 157 tooth
It looks like this

164 tooth tranny look like this
Note the different body's and how the bellhousings are attached

The bigger C4 with 164 tooth bellhousing are a stronger than the 157tooth C4

So if you will use a 351W it is wise to buy a 164tooth C4 because it's much stronger bellhousing and attachment to the tranny body.

The motormounts 302/351W is the same

10-30-2003, 02:21 AM	#5
Per Berglund Registered Member Join Date: Oct 2003 Location: Sweden Posts: 3	Do you have a C4 tranny? If it is a 1969 stock tranny you have 157 tooth It looks like this 164 tooth tranny look like this Note the different body's and how the bellhousings are attached The bigger C4 with 164 tooth bellhousing are a stronger than the 157tooth C4 So if you will use a 351W it is wise to buy a 164tooth C4 because it's much stronger bellhousing and attachment to the tranny body. The motormounts 302/351W is the same Last edited by Per Berglund; 10-30-2003 at 02:56 AM..