Hey guys watch this!!!
Join Date: Dec 2010
Location: Middleriver, Md
ToLows10 is offline
Re: Need some help for timing a big cam
Well, not trying to be a thead killer but to answer your question. I have a 389 cubic inch smallblock chevy making 530 hp! All motor. Not a typo, 530! Let's start from the bottom up. Moroso 7qt deep sump pan, M55 +10% volume standard presure oil pump, stock 4 bolt main block, all forged internals, 6 inch I-beam rods, flat top pistons with 2 valve reliefs, 10.8 to 1 compression ratio, AFR 195 street heads 65cc chambers with strait plugs (ports were massaged ever so slightly just to smooth out the CNC machining lines a little), Edelbrock RPM Airgap intake manifold (port matched), Holley 750HP Street carb (out of the box jetting, just a hair on the rich side), Comp's hyd roller Mutha Thumper cam installed strait up, double roller timing set, light weight pushrods, aluminum full roller rockers (1.6 intake 1.65 exhaust), MSD small cap distributer, Blaster 2 coil, 6AL ignition box, 10mm plug wires, NGK Plugs, all ARP fasteners, and all Felpro gaskets. My timing is set aroung 10 or 12 degrees initial and 34 degrees all in at 3000 rpm with vacuum advance disconnected. I had a bit of trouble getting my motor fired up and running right in the beginning. I forgot to plug the vacuum ports on the carb that I wasn't using. LOL! But any way, set you timing with the vacuum advanced disconnected. Try leaving unhooked. Sometimes it works sometimes it don't but always have it disconnected when setting your initial and mechanical advance. Hope I can help.