Sounds like a good plan  .   
 btw , I was going to pick on you about that diverter switch  , but than I remembered what I did with for a trim comtrol switch on mine  ,  must be a "stereo guy" thing.     Yea, its a powerwindow switch 

Sounds like a good plan  .   
 btw , I was going to pick on you about that diverter switch  , but than I remembered what I did with for a trim comtrol switch on mine  ,  must be a "stereo guy" thing.     Yea, its a powerwindow switch 

You see, that's how stereo guys roll.    Looks like a Spal power window switch to be exact. 

Damn I am frustrated as hell. I can't find any info on push rod length for a BBC with stock heads and a retro-fit roller cam. Cam companies are telling me there are too many variables. Excuse me? Stock Mark IV's use the same pushrods for a flat tappet cam, why wouldn't they use the same length roller cam specific pushrods? Did the valves magicaly grow or majicaly shorten when I switched to a roller cam? Does the roller cam bolt in a different location than a flat tappet cam? WTF?    There is no way I'm going to meet my wishfull deadline. By the time I figure out this easy answer I'll probably be out of cash, again.




  X 1,000

I'm no expert on these Cheby things but I think the cam itself can be another variable .   If I remember right some of the big cams are ground with a different base circle (smaller) than stock 

I think the problem has to do with the roller lifters not being as standard as hydraulic/solid in height.  Each manufacturer has his own design and the roller lifter can vary by .100 or more.

You can get an adjustable push rod tool that is used to measure what you need.  If you have a measurement of what you need almost anyone can order what you want.

Just take time and money 

Yesum. And also anything from doing a few valve jobs, or surfacing the head too far, wil result in needing or not needing a different pushrod. I don't understand how the manufactures already know how deep your exhaust seat is sunk in the hole, or how much it's been topped off anywhere from 0.003"- .040" . Get an adjusting pushrod so you can get them right the first time

Well Rod i hope you get your shit straight. i would hate to think this is a chevy thing!!  These Ford boy's would never let us off the hook

Good luck to ya Bro, we both need it

2sav

not a chevy thing, custom pushrods are part of the deal. if you want stock length pushrods build a stock motor

I think the problem has to do with the roller lifters not being as standard as hydraulic/solid in height.  Each manufacturer has his own design and the roller lifter can vary by .100 or more...

... and there you go! The one factor I never thought of.

Thanks for all of the feedback, it was all good.

... What brand roller lifters do you have?

It's a Crane cam and Crane lifters. I personally called and talked to Crane this morning, extremely helpfull people until I didn't get the answer I wanted to hear. I have to wait but what a phukin pain in the asss.



Basicaly it seems that the crank gets installed, number 1 rod and piston get installed, cam gets installed and degree'd, cylinder head above number 1 cylinder gets installed, correct pushrod length figured out.

STOP. Order pushrods.

Wait for pushrods to come in.

Pushrods for number one get installed. Valve to piston clearence gets checked. Assuming all is good so far then the cylinder head comes back off and the "real" assembly of the engine gets started. Even if my above guess is off or not in the right order there doesn't seem to be a way to avoid the waiting.



I'm still frustrated but and life goes on.

Call terry Manton you can get and adl push rod from him to check for proper length
he makes thousands of push rod a day no 951- 674- 2212  560 Birch St #4 Lake Elsinor Ca 92509
and he will help you out. and he is the best been using his push rod 27years he has web site to his web
site will tell you why just a bout every cam change needs new push rods, valve job rocker change etc.

Thanks for the info!

I have adjustable push rod length checkers.

Damn...This thread started Aug 8th 2007 and still isn't runnin' yet! When are you going to stop  and get a BOAT motor for that thing so you can get 'er runnin' already?

   It has run, it ran for 3 1/2 hours as a matter of fact!    49 mph at WOT, try that with your outboard sucka 




    

 Looking good Rod , I think you added at least 10 mph today 

 Now get off the computer and go fix your wiring before it bursts into flames  .  You, of all people should know better .   

 Sorry Rod but, Daaammmn thats bad 

Terry, any word on those heads yet?