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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Nov 2016 Posts: 13 New Guy | | New Guy Joined: Nov 2016 Posts: 13 | Hi, I'm trying to get my motor running !!! Thats a PUN. Actually, I am tryin, but having no luck. When I got this '55 GMC 250 last year, it needesd a little work. Thats another PUN, cause it needed alota work but thats why I got it. ANYHOW, it had a late model electronic dist stuck in the hole but nothing was hooked up. The original was in the cab so I took it apart, cleaned it and put it back where it belongs. Got new points/cond/rotor/cap/wires from NAPA but somethings wrong?? The cap wont fit right. Seems the rotor is too tall? and the cap doesnt fit the housing right ???I took it back to NAPA but it IS the right one?? I'm wonderin, is there supposed to be a cup type points cover that goes under the rotor?? I'm hoping so as that would explain things. Gettin kinda frustrated cause the head is now done, carbs rebuilt, everythings buttoned back up but I cant start it till I get this figured out. Any ideas ??????? Thanx in advance | | | | | Joined: Apr 2005 Posts: 7,440 Bolter | | Bolter Joined: Apr 2005 Posts: 7,440 | There is a tall cap and a short cap. Make sure you have the right one for your distributor.🛠BTW, this question should have been asked in the Engine Forum in a new topic post started by you. Multiple posts of the same question in several forums is poor site etiquette.
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
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| | | | | Joined: Nov 2016 Posts: 13 New Guy | | New Guy Joined: Nov 2016 Posts: 13 | Anyone explain if there is, and what the difference might be, in dist caps for the GMC 270cid motor? If there is actually more than one type, where can one purchace them? Thanx
Last edited by Mark Allan; 05/19/2017 12:05 AM.
| | | | | Joined: Aug 2004 Posts: 1,418 ODSS Lawman | | ODSS Lawman Joined: Aug 2004 Posts: 1,418 | There is also a matching tall or short rotor. Make sure you have both of the correct type, otherwise you will have not spark
SWEET Sergeant At Arms: Old Dominion Stovebolt Society BUNS?!?!?!Where we're going, we don't need no buns.....1950 GMC 450 1951 Chevy 1/2-TonThe GreenMachineIn the Stovebolt Gallery | | | | | Joined: Jan 2016 Posts: 264 'Bolter | | 'Bolter Joined: Jan 2016 Posts: 264 | My distributors part no. 1112369 shows coming from the original 248 / 270 cid 1952 motor. I went to my local APS told them that number and got cap, rotor, condenser and points to match without a problem. Does your dizzy still have its part no, tag on it? | | |
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