306 Rebuild
- Thread starter napedawg555
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A 306 just uses different pistons, that are .030" over the stock bore size of 4.00". It reuses the stock crank throw (3.0") and stock connecting rod size (5.090").
You will likely be able to use the stock pushrod size, but stock pushrods are weak.
It is best to measure and get some aftermarket hardened pushrods, like Comp, TFS, or Engine Works.
It is always nice if you can measure for the correct pushrod length.
General rules of thumb are keeping the wear patch diameter small as the rocker goes across the valve stem top, and keeping it close to centered. A pushrod checker is needed for this.
Good Luck!
You will likely be able to use the stock pushrod size, but stock pushrods are weak.
It is best to measure and get some aftermarket hardened pushrods, like Comp, TFS, or Engine Works.
It is always nice if you can measure for the correct pushrod length.
General rules of thumb are keeping the wear patch diameter small as the rocker goes across the valve stem top, and keeping it close to centered. A pushrod checker is needed for this.
Good Luck!
black87ttop
Member
what heads you got? Are you gonna run the e cam with stock heads. i wouldnt recommend pulling the engine all apart to put a cam in with stock heads, too much work for no real gain.trust me , been there, done that, got the t shirt
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