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Anyone know where to find Demon's jetting guide? Did they take it offline? I can't find it anywhere, I'm just looking for a good starting point for jet sizes. I believe it has 67 primary and 75 secondaries. Any input would be appreciated. Carb is the Demon 1402020ve, motor is a 360...

Looking for some opinions. Should I be putting some weak stock springs in my heads for cam break in? The seat pressure is 120, and they are a single spring. Open pressure is 320. I'm going to run stock rockers for the break in. Cam is a Voodoo 200703, exhaust lift is highest at .513. I...

I have a 340 with eddy rpm heads, flat tops, ld340, 750 demon, headers, auto with 2400 stall, 3.91 gears, manual brakes. I have cam selection down to the lunati voodoo 60403 or 60402. My question is : can I run stock rockers (successfully!) with the 60403 with its .513 lift? How about the...

Getting close to firing up my Duster, well I hope. Has a 340, comp hyd. Cam, edelbrock alum heads. I've been priming the damn thing for 15 minutes, it has over 70 psi but no oil to the rockers yet. What gives? Does it take that long? I remember my sbc taking about 10 minutes.

Right now I have a 360, MP cam, .474 lift and 280 advertised, 110 lsa. I'm looking to go bigger on the cam, for starters I was looking at another MP, it's got .509 lift and 292 advertised, 108 lsa. The engine runs on 91 octane, timing at 34 and it'll ping with any lower octane. WIll the...

Does the 1701 # cast into one of my heads mean anything? Just trying to figure out what they are, if they're worth porting. Thanks in advance for any input.

Hi everyone. My first post here, very impressed with the tech info and attitudes on this forum. I have a tech question for my small block. It's in my E-body but don't boot me because I have a real 71 340 Duster that's getting closer to completion, well, I offered it to my brother and am...