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11-28-2010, 10:33 PM | #1 |
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help! truck wont start! help plz......
well after a 13 month total restorationon my 72 cheyenne i am trying to start it again.. but it wont start. can anyone think of something i missed?
its an hei system....... pulled #1 plug brought piston up to top of compression stroke rotor pointing at #1 plug wire plugs getting plenty of spark poured gas into carb to prime activate starter nothing but turning over! will not even hickup... any ideas?????
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
11-28-2010, 10:42 PM | #2 |
Formerly- 1972SuperCheyenne
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Re: help! truck wont start! help plz......
Firing order right? 1-8-4-3-6-5-7-2? clockwise on the cap?
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11-28-2010, 10:46 PM | #3 |
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Re: help! truck wont start! help plz......
yes sir! checked twice... clockways...
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
11-28-2010, 10:57 PM | #4 |
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Re: help! truck wont start! help plz......
Does it sound normal when it cranks over? Are the plugs dry or wet after cranking?
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11-28-2010, 11:01 PM | #5 |
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Re: help! truck wont start! help plz......
sounds very normal turning over.. just cranking... plug lightly moist with fuel... not bad?
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
11-28-2010, 11:04 PM | #6 |
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Re: help! truck wont start! help plz......
rocker arms adjusted to tight holding valves open. did you do a compression test?
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Fuzzy |
11-28-2010, 11:07 PM | #7 |
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Re: help! truck wont start! help plz......
ahhhh!!!! no i didnt.. and i had the engine rebuilt someone else... will do a compression test tomorrow! big thanx...........
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
11-28-2010, 11:14 PM | #8 |
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Re: help! truck wont start! help plz......
if the engine sat for awhile the lifters may have bled down causing the valves not operate properly. cranking the engine over a few more times should pump them back up but do not flood the engine or you will wash the cylinders down
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Fuzzy |
11-28-2010, 11:19 PM | #9 |
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Re: help! truck wont start! help plz......
hmmm. so you think i should start with compression test?
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
11-28-2010, 11:22 PM | #10 |
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Re: help! truck wont start! help plz......
or go thru a complete rocker arm adjustment procedure for all valves.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
11-28-2010, 11:25 PM | #11 |
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Re: help! truck wont start! help plz......
yea might have to... i will call the guy that rebuilt it to see what he sayz as well. thx,guyz..........
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
11-28-2010, 11:26 PM | #12 |
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Re: help! truck wont start! help plz......
compression test will tell the story
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Fuzzy |
11-28-2010, 11:39 PM | #13 |
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Re: help! truck wont start! help plz......
Make sure that you aren't 180 degrees off. It's easy to stab the distributor at what you think is TDC on compression when it actually was at the top of the exhaust stroke. You can pull the driver's side valve cover to insure both valves are closed, and you could also check to see if rockers are adjusted close at the same time.
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11-29-2010, 01:23 AM | #14 |
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Re: help! truck wont start! help plz......
Figure it out yet?
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I LOVE BURNOUTS:metal NO BOZO's Last edited by hardwaa; 11-29-2010 at 01:27 AM. Reason: did not read entire post! |
11-29-2010, 01:35 AM | #15 |
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Re: help! truck wont start! help plz......
Hello every body I'm a newbee posting stuff I've had a problem like that on my last motor and it showed spark but the hei was not getting enough spark simple test run a wire stright from hei + to battery + just to ensure the right spark... Just a idea
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11-29-2010, 11:03 AM | #16 | |
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Re: help! truck wont start! help plz......
Quote:
will check tonight. thx... not yet. i couldnt reply to your pm. its a setting at your end. ??? [QUOTE=Nuts&bolts;4319726]Hello every body I'm a newbee posting stuff I've had a problem like that on my last motor and it showed spark but the hei was not getting enough spark simple test run a wire stright from hei + to battery + just to ensure the right spark... Just a idea i have 1/2 " of spark jump...? so i dont think its that. but thx for the reply. and welcome to the site.....
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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11-30-2010, 08:36 PM | #17 |
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Re: help! truck wont start! help plz......
well i found out the problem........ dist hold down bolt loose! it was raised up off the block deck about 1/2 " and out of timing... i thank all of you for your advice!!!!!! big thanx............. dave
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
12-01-2010, 12:42 AM | #18 |
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Re: help! truck wont start! help plz......
I may be a little late but did you prime the oil pump before you started cranking? i read it was just rebuilt..
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12-01-2010, 12:51 AM | #19 |
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Re: help! truck wont start! help plz......
Wow, you guys are awesome , just the response time on replies, it's like an emergency room for my truck . Sorry this is my first post on the forum..
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12-01-2010, 09:42 AM | #20 | |
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Re: help! truck wont start! help plz......
Quote:
i agree... these people are g r e a t !!!!!!!!!! thx everyone !!!
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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