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Originally Posted by shelby987
I will be upgrading my tired 250 for a recently built 250, and to save time I think a clutch replacement is in order when the engine is going in. The truck was originally optioned with a heavy duty clutch....would buying another oem heavy duty clutch be my best bet for a higher hp/tq application? Spent a decent amount already, so I am not looking for anything super high performance, just something that can withstand that hp/tq when it is used.
I see specs for 10", 11", 10 spline etc, but it all references sbc...my 250 should use the same clutch right?.....can anyone lend advice? The truck is a 3spd on the column....pretty sure its a saginaw, can anyone give advice on this....its a 4x4 too if that helps.
Also, what do I do about a flywheel....I know there is internally and externally balanced, what is the difference (one is balanced to the engine, and the other is balanced alone correct?) Can I use my original flywheel or should I buy another one (I know it needs to be turned first, can it be balanced?)
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The clutches are sold by diameter, I put the flywheel from a 68 on my 90 truck, so they fit any. I'd suggest a good quality clutch (RAM, centerforce, Hayes) Summit sells em as cheap as I have seen and the Ram is like $160 ish for clutch, pressure plate, throwout bearing and alignment tool. It should hold up to any 250. As for balance, I think the 250 is the same as SBC except for the 400 which is external balance.