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Problems Starting A Rebuilt Engine

sector_ut

By sector_ut
in Ask A GM Technician

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sector_ut Enthusiast

sector_ut

Posted
Posted

Help!!

 

I have a 1969 GMC 1500 that I have just rebuilt and installed a '68 327 with a 700-R4 Tranny, and replaced the wiring with a painless kit. And added a new summit HEI distributor.

When I try to start the engine, it turns over, but will not fire unless I move the distributor around alot, then I start getting into back fire or flames coming out of the carb before the engine dies without throttle.

 

Any help is greatly appreciated!

 

Brian-

gmtech4 Senior Enthusiast

gmtech4

Posted
Posted

1-8-4-3-6-5-7-2 ,is my thought,start again with valve cover off left side and rotate till both rockers move at #1 cyl and TDC marks align,let us know,this could be at TDC #6 as I remember,so use the finger in the plug hole thing while rotating with starter,

sector_ut Enthusiast

sector_ut

Posted
  • Author
Posted

gmtech4: Thanks for the help!

 

I have repeadidly set the engine back to TDC or at least what seems like tdc (both rockers are able to be moved) and reset the distriubtor back to pointing at #1, yet no avail.

 

Do you think my cam is in wrong?

sector_ut Enthusiast

sector_ut

Posted
  • Author
Posted

So pull the timing chain cover and check...

I had a guy put the block together for me and never checked...

 

Will check and let you know, thanks for your help!

sector_ut Enthusiast

sector_ut

Posted
  • Author
Posted

Unfortunately, the weather has been really crappy, plus I just had a new baby girl, so I have not got to check it yet. (hopefully in the next few weeks.)

;-)

  • 3 weeks later...
sector_ut Enthusiast

sector_ut

Posted
  • Author
Posted

Got it!

Cam was installed on number 6, so fixed that.

Then discovered, that there were washers on the bolts between the carb and intake manifold, so the mix was wrong!!!

Got it running!!!!

Thanks for all your guy's help!

 

Brian-

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