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flex plate


Batman

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i am doing a 2004r trany swap to my 70. is the flex plat from the th350 the same one i use on the 2004r. the 2004r is out of a 86 ss. it has the ss converter.

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The flex plate is the same on your 70 although it may not be a dual bolt pattern for the converter mounting. Like lastss said, you would would be better off buying a new one. 

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There are 2. A small and a large. The small has 153 teeth and the large has 168 teeth. Idk what you have on your engine now. 

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i dont know either. just trying to gather the parts i will need.do you know what would have been on a stock 350 2 bbl. sorry bout dumb questions but havnt worked on vintage cars in a long time.

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No dumb questions. If I saw it I could tell you right away, but you're in WI.  So, hmmm 🤔

If there is an inspection cover over the flywheel/ torque converter remove it to expose the flywheel. I guess the easiest way to describe it is it the flywheel is almost as large as the trans bellhousing (looking up from the bottom at both sides where the transmission bolts up with the engine)  it's a 168 tooth. If you can fit a finger or more between the bellhousing and the flywheel (with the engine off) it's  a 153 tooth flywheel. 

Most likely your Monte has the large flywheel but better to make sure. 

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