The Ford Barn - View Single Post - Isky 404A cam

naughtt · 04-17-2024, 04:28 AM

Resurrecting this thread in the hope of a bit more info. I’m in England but recently acquired an Isky 404a cam, new old stock together with the relevant double springs, lifters, staples ect. ( no jig but can make that). My engine is a French block running 4 1/4 crank, 3 3/8 pistons and currently a 400 jr cam. All running in a belly tank that only gets to play on Pendine sands and will do a bit of drags. It’s full race.
My question if any one can help is are the double springs worth using, what spring pressure is best, and advice on grinding each tip on the lifters and what to set it at cold?
If I were to have my Johnson adjustable lifters ground would they need re hardening?
Thanks in advance guys,

Brett.

04-17-2024, 04:28 AM	#63
naughtt Junior Member Join Date: Jan 2018 Posts: 2	Re: Isky 404A cam - Harley Davidson grind? Resurrecting this thread in the hope of a bit more info. I’m in England but recently acquired an Isky 404a cam, new old stock together with the relevant double springs, lifters, staples ect. ( no jig but can make that). My engine is a French block running 4 1/4 crank, 3 3/8 pistons and currently a 400 jr cam. All running in a belly tank that only gets to play on Pendine sands and will do a bit of drags. It’s full race. My question if any one can help is are the double springs worth using, what spring pressure is best, and advice on grinding each tip on the lifters and what to set it at cold? If I were to have my Johnson adjustable lifters ground would they need re hardening? Thanks in advance guys, Brett.