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The VooDoo cam looks to be the way to go....and a bit thicker head gasket....the 0.038 is matched to the Edelbrock heads and intake...but is just too thin for my application. Will have to get a FelPro head, intake, exhaust gasket set. I also need a front cover and probalby oil pan if I tear...

Thecam I was thinking about getting was the Melling MTC-1 or Edelbrock 2102...same cam. However after more reading and discussing....think the Voodoo 60101 cam would be a better choice due the higher lift it offers that the 67039 heads are capable of. Oh and the numbers I posted above were...

Duration at 0.050 is 204/214, lift is 280/295 (I think...I may have written that down wrong).

Gerry, The cam numbers I last sent you are at 0.050...not seat-to-seat or 0.006. I can convert the intake closing to 0.006" if necessary. Peter: Ah...yeah....that would require some racing fuel or else I would be buying fuel at the airport.....not what I want to do. I have been using...

Gerry, With this cam what does the numbers come out to be? exhaust opens at 44 BBDC, intake closes 29 ABDC 112 LSA, 107 intake centerline 70 cc head, 0.038 gasket thickness, 4.190 gasket bore Everything else is the same. Thanks much...

Has anyone been into the carb ever? Suggest starting from the beginning. Do you have the carb setting tools? Will need these to set the mixture control solenoid and idle air bleed screw....without them you are guessing. The air mixture screws should be at around 3 1/2 turns out. If the idle air...

Yeah they are going to thump alright. Did you see how much overlap they have???....Going to need some higher compression with any of those cams. And I thought my little 12-210-2 grind had too much overlap.....compared to those my cam has "none". Do not see how they would produce low end...

Had a slight error in my deck measurement...piston was pushing against the magnetic base....did not see it. Remeasured and I was more correct the first time: I measured at the piston center of #1 and #8 and ranged from 0.005 to 0.007. Yes the 0.051 gasket is the one for me, but the GM one has...

Gerry, I checked #1 piston and at TDC it is 0.010 out of the block. I am going to check #7 as well, just to see if the block was milled flat or not. I will also check the even cylinder bank as well. If I find the block was not milled flat....oh boy....wife will really be after me to sell the...

Tim...what is the chamber size of those heads? What octane do you have to run?

The numbers you have for the piston is close enough. The trouble with the cam I have is the LCA...106 is just too much overlap. So I have been using Comp Cams Cam Quest and I like either the XE256 or XE262 grinds. The XE256 I could use the 1.6 rockers...the XE262...maybe not. Need to figure...

Understand compression height...1.56" is correct Understand the change in duration due to changing rocker ratio. Looking at the data in the chart, the intake valve closing, it should be 60 ABDC. Do not know the piston distance from top of piston to first ring, pistons are H631CP30.. Deck...

Gerry: Can you explain the first equation; 3.48/2....and the compression height? Why is the stroke divided by 2...and what is the compression height a measure of? I will still need to actually make a measurement, but the piston at TDC is zero or slightly above the deck. I did cc a chamber on...

Peer81 To ge honest, the CR gives you a good indication. But with the program Gerry has you have to look at the DR! Your 280 cam with 1.6 rockers will bleed off so much air (or compression) that I think you can get away with the 64cc's Yes it does.....way too much overlap.....I have the wrong...

Gerry, I do not know what the distance is between top of piston when at BDC and the block deck is....is that supposed to be 9.000cm? At TDC the distance is zero to slighty negative by a few 0.001's....will have to measure again. The head gaskets I have found have a compressed thickness of...

The bright spot in the #4 cylinder picture is a flash reflection. I should have rotated the engine and brought the piston to the top, but didn't at the time. The engine has gone through 2 rebuilds...first one was a 0.030 bore and the second was just a quick hone. The 2nd rebuild was after...

Here are the results: #4 Valve: #4 Piston: So what you guys think.....am I looking at pulling the engine out, and doing almost a complete rebuild.....or.....would just cleaning off the tops of the pistons, put a new set of heads on....check to ensure that timing did not jump...do not...

Gerry, I am in North Tucson...not Phoenix....ugh.....will hardly even go to Phoenix...much less live there....:L If the valve spring broke...I sure cannot see where. The retainer is all tight and nothing in the valve cover. I may put the #4 exhaust rocker arm back on and rotote the...

Going to be awhile before I get the heads off...but it is either a dropped valve seat...doubtful...these are hardened seats afterall....or broken ring that has wedged in the exhaust port, or the bronze valve guide is somehow keeping the valve from closing. I am sure I saw all cylinders...

Think I found the problem Took valve covers off again to check rocker arms & pushrods. Found #4 exhaust rocker was quite loose....went ahead and loosened all the rockers arms and pulled each pushrod out and looked at it. What I noticed was the #4 exhaust spring height was lower than the #4...