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Thread: Getting ready for first startup
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03-21-2005 #1
Getting ready for first startup
I'm getting ready for the first firing of my Ram Jet 502 crate engine, and wanted to run some things past you guys to make sure I don't forget anything or screw up the motor
1. The distributor wouldn't clear the firewall with the module wires coming out the back, so I rotated it about 90 degrees counter clockwise so that the wires run towards the passenger side. I can just move the plug wires over on the distributer cap and be ok, right?
2. What should the timing be set to?
3. I'm pretty sure a crate engine isn't broken in, but is there any recommended way to break it in? I remember that with regular hydraulic lifters you need to run it at varying RPMs above 2000 for the first 20 minutes or so to break them in, but it's got hydraulic roller lifters, so this isn't necessary right?
4. I'm mostly looking for leaks and checking everything out (it's not drivable yet) so is there anything else I need to make sure to do/not to do?
Thanks!!
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03-21-2005 #2There should be no break in on your roller cam..
Yes you will be O.K. with rotating the wires..
Im not sure on the timing, but i would guess in the 32-34 degree, total timing at 3500rpms..Project JUST-N-SANE
84' Camaro Z-28, 355CID,9.0-1 compression, ATI procharger 9psi (over 650HP),T56 6 speed, 3.73 Motive gears! 11.70 at 122mph in the 1/4 while babying the throttle to keep the tires hooked ,with pump gas! (NOW INTERCOOLED)
03-22-2005 #3Ok, well it turned over!!
Or more like :bsjerk:
A fuel leak kept me from getting it to fire however. The main fuel line is leaking. It's an AN connection, and no matter how much I tightened it it kept dripping. What should I do - take the fitting completely apart and put it back on? It's leaking at the threads - you're not supposed to put any sealing compound, right? What about anti-sieze - maybe it won't tighten enough?
03-23-2005 #4
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AN fittings seal on the tube inside, not the threads. If it is leaking with anything more then a firm tighten, you have the wrong male fitting.
As far as starting and timing, with the motor on TDC, I always point the distributor dead at number one, then advance the distributor a quarter inch or so. Most distributors have about 20 degrees total advance in them. I always have a timing light hooked up and look for something in the 14 to 20 degree range immediately upon fire up. This will get the timing close enough to stay running so I can tweak the carb, let it burn off assembly lubes and oils, come up to temperature, etc.
When I get it warmed up a bit and running decent, at a reasonable idle, I then reverse time the motor with a advance light to 35 degrees or so, usually at 3000. Then I whack the throttle from 3000 to see if the timing moves anymore. If all is good, it is time to take it to the street and she what she's got!
03-23-2005 #5This is it right here... sure seems like the right fit, but darn if it doesn't leak like a sieve...
03-23-2005 #6
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will the pipe still turn when you have tighten it up looks to me if the nut is bottoming out before it tightens the flange up
paul67
03-23-2005 #7No, it gets tight before it runs out of thread
03-23-2005 #8



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