I changed my valve springs with heads on car. Used air compressor and spark plug air fitting tool to keep valves from dropping, You need a telescoping magnet and dab of axle grease to keep valve stem locks from dropping off. I used ford valve spring compressor (borrowed from dealership) and it...
The 500’s and 400’s dynos were for all purpose identicle. The power band on the 500’s was 500 rpm to the right. Personally I liked the drive ability of the 400’s better and for street use felt the power band more useable than the 500’s
If you’re going to go thru the aggravation of putting headers on you should probably do long tubes. Those shorties will probably not change your engine performance at all.
the top one looks similar to the one I borrowed from the local Ford dealer to do mine. Its pretty easy, get a little teloscoping magnet, it makes the spring retainers easier to keep track of. yes on replacing the seals while you are in there. A little dab of grease on the valve stems or...
I was poking around on Rock Auto the other day looking at brakes for 05-09 and they had a 4 piston setup that they advertise fits over 18" wheelshttps://www.rockauto.com/en/moreinfo.php?pk=11059248&cc=1432173&pt=13255&jsn=1044...
The owner of the Shell station I worked at in high school ‘78-‘82 had a ‘63 split window vette with the rear spring set up you describe. Had 350 LT-1 in it with factory side pipes and Shell 78 series radials all the way around 12.8 1/4 all day long. The mechanics there had a ‘67 Malibu w/ L-88...