Hey man. Thanks for the info. Those first specs are for the stock cam. What I found out (had to go to the dealer and get an FRPP book --- can't find my stinking book
) was the largest cam you can put in a '87 Windsor withouth notching is the A332 cam 290/300 duration @ .472/.496 lift (214/224@.050 lobe lift).
The AFR185s that I'm looking at have 2.02/1.6 int/ex valves as well. Looking into the 58cc (instead of 61cc -- for higher compression) comb. chamber (69cc ex ports). Concerning the eyebrows on the stock pistons, they look significantly bigger than the stock valves and I'm pretty sure the eyebrows (both int/ex) are the same size so I'm thinking bigger valves shouldn't make much of a diff. with those pistons (unlike the 302s). Also, in terms of piston to valve clearance, it depends on
when the valve is traveling towards the piston and if the piston is moving away from the valve as it opens. Will the piston be at its very top position as the valve is all the way open?? That's what's really important, right? As long as they don't come together and hit. I don't know all the specs on this stuff (as you can probably tell
) and I don't know exactly when the valve travels in respect to piston travel.
Shouldn't the tech guy at AFR be able to tell me if the stinking heads will work without notching the pistons if I give him the cam specs??? I called AFR and the guy was like, "Uh i dunno for sure" and I was like "well, uh if it doesn't work, and I send them back how much will that cost?" He says, "There's shipping fee and a 20% restocking fee."
. I'm gonna call again and keep asking around...
Thanks again
82GT for lending a helping hand. Anyone else??