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Is it accurate to say / does anyone know with some certainty that the only difference between the 1968 383/440 valve cover and the 1969 valve cover is the (heater hose??) bracket on the top of the PS valve cover? AMD is out of the 1969 covers but I can get 68s - which i could then modify...

Anyone ever use this tool from Sonnax? I corrects damaged case due to excessive shifter (and kickdown?) wear. If you keep blowing out the shift lever seals (or getting leaks there) the lower bore might be out of spec allowing that shifter/kickdown cylinder to move around in the seal. You can do...

There are recurring threads on cam bearing install issues (one example; Issues with cam bearings and clearances. Cam will not fit. ) - This tool kit (don't know cost but it looks pricey!) talks about those problems (they are real and frequent, even for seasoned machine shops) and offers a...

I have the Comp 480/280 cam in my 440 with 452 heads (bone-stock NOS score) and MP dual plane intake and HP manifolds, 2.5" TTI exhaust. Open air cleaner. 0.030 over (4.350 bore) with JE Pistons. Edlebrock 750 with manual choke. Rear wheel dyno with bent rim and running too rich was 204 RWHP...