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tymberwolf95 · 11-12-2002, 09:27 PM

i'm new to the board and i am have a 72 c10 two wheel drive. an i am having problems getting my engine to start. when i got the truck it did not have a carb, alt. and the wiring was all screwed up me and a friend rewired it by the book and put a new distributor, carb, intake, spark plugs, wires and etc.. and when we go to start it we get a fireball shooting out of the carb. we checked the timing of the distributor and everything else but the timing chain and that is the last resort. if you have any inputs on what might be wrong please let me know thank you.

cableguy0 · 11-12-2002, 09:40 PM

sounds like ur in 180 degrees out. pull teh distributor back out with the cap off turn the rotor exactly opposite where its pointing at the time. i bet it will start

tymberwolf95 · 11-12-2002, 10:08 PM

i've already tried that and that is why i'm at a loss for what it might be thanks anyway

cableguy0 · 11-12-2002, 10:27 PM

well in that case. it sounds like a mechanical problem. if i were u i'd pull the valve covers and try readjusting the valves they might be too tight. who knows with what u have said about the other things on the truck it wouldnt surprise me that the same jerk just tightened down all the valves way too tight.

tymberwolf95 · 11-12-2002, 11:00 PM

cool thanks i will try that because the guy (kid) i got it from did not seem to have a clue about the truck cause it ran when he parked it and then he start yanking stuff off of it then it would not start

cableguy0 · 11-12-2002, 11:21 PM

some people just shouldnt be allowed to own tools

tymberwolf95 · 11-12-2002, 11:24 PM

i agree with you there here is a pic of my work in progress

imdarren · 11-12-2002, 11:24 PM

I wouldn't give up on the timing just yet.
Remove spark plug #1. Thats the one on the front of the motor on the drivers side.
Manually turn over the motor with a socket, extension, and ratchet at the front of the harmonic balancer. (Clockwise)
As the timing mark on the harmonic balancer aproaches the timing pointer / indicator, put your finger tightly in the spark plug hole while you continue to turn over the motor manually.
You should feel air compressing. If you don't, keep turning over the motor until you feel compression and stop turning when the 0 timing mark lines up.
Set the distributer in place, and line up the rotor so that it is directly under the #1 spark plug wire.
NOTE: The distributer may not go down into the hole all the way. This is ok as long as at least you feel the teeth engage.

Get in the truck and just bump the starter (with the coil wire off so the truck wont try to start).
The distributer should fall into place in the correct place.
Slightly tighten the clamp on the distributer so is wont move on its own, but you can move with a little effort.
Oh yah. Put spark plug #1 back in, and the coil wire.
Now the truck should at least start.
You will have to probably still adjust the timing slightly (move the distributer one way or the other ) a little. Adjust it til it doesnt ping under acceleration.

Hope this helps. Sorry about writing a novel.

Let me know if this helps!

Darren

tymberwolf95 · 11-12-2002, 11:32 PM

thanks for the info man but i've tried to do that too and it still did the same thing fireballs out the carb????? like i said the dude i got it from was a real dope and i think he screwed up alot of stuff in the truck. put it to you this way the guy had all the wiring spliced together with housing wire caps.

matt67350 · 11-12-2002, 11:55 PM

The cam may be out of time, or the timing chain has been replaced
and they didn't set the marks right. Good Luck.
Matthew

tymberwolf95 · 11-13-2002, 12:00 AM

thanks that is my next step once i check the valves

Hutch · 11-13-2002, 12:23 AM

Maybe the fireing order is out of whack.
It is a long shot but worth double checking

cableguy0 · 11-13-2002, 12:23 AM

matt has a good idea there too . maybe this guy did more then he ever told u

tymberwolf95 · 11-13-2002, 01:01 AM

thanks guys i appreciate all the ideas cause i was out of them

Lippyp · 11-13-2002, 06:20 AM

First time I ever rebuilt an engine I got similar symptoms when I tried to start it, tried all the usual things, couldn't figure it out. A mechanic friend of mine took one look at it wandered to the back of the car, put his hand over the exhasut and as I cranked it over it tried to suck his hand up the tailpipe! I had the cam timing 180 deg out and it was sucking in through the exhaust and blowing out through the carbs. Try the hand over the exhaust test whilst cranking it over (coil lead off!) any sucking and you know what to do!

11-12-2002, 09:40 PM	#2
cableguy0 Senior Member Join Date: Apr 2000 Location: Delta,Pa Posts: 14,950	sounds like ur in 180 degrees out. pull teh distributor back out with the cap off turn the rotor exactly opposite where its pointing at the time. i bet it will start __________________ Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.

11-12-2002, 10:27 PM	#4
cableguy0 Senior Member Join Date: Apr 2000 Location: Delta,Pa Posts: 14,950	well in that case. it sounds like a mechanical problem. if i were u i'd pull the valve covers and try readjusting the valves they might be too tight. who knows with what u have said about the other things on the truck it wouldnt surprise me that the same jerk just tightened down all the valves way too tight. __________________ Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.

11-12-2002, 11:21 PM	#6
cableguy0 Senior Member Join Date: Apr 2000 Location: Delta,Pa Posts: 14,950	some people just shouldnt be allowed to own tools __________________ Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.

11-12-2002, 11:24 PM	#7
tymberwolf95 Registered User Join Date: Nov 2002 Location: Clearfield, UT Posts: 8	i agree with you there here is a pic of my work in progress Attached Images

11-12-2002, 11:24 PM	#8
imdarren Registered User Join Date: Oct 2001 Location: SW Washington Posts: 1,006	I wouldn't give up on the timing just yet. Remove spark plug #1. Thats the one on the front of the motor on the drivers side. Manually turn over the motor with a socket, extension, and ratchet at the front of the harmonic balancer. (Clockwise) As the timing mark on the harmonic balancer aproaches the timing pointer / indicator, put your finger tightly in the spark plug hole while you continue to turn over the motor manually. You should feel air compressing. If you don't, keep turning over the motor until you feel compression and stop turning when the 0 timing mark lines up. Set the distributer in place, and line up the rotor so that it is directly under the #1 spark plug wire. NOTE: The distributer may not go down into the hole all the way. This is ok as long as at least you feel the teeth engage. Get in the truck and just bump the starter (with the coil wire off so the truck wont try to start). The distributer should fall into place in the correct place. Slightly tighten the clamp on the distributer so is wont move on its own, but you can move with a little effort. Oh yah. Put spark plug #1 back in, and the coil wire. Now the truck should at least start. You will have to probably still adjust the timing slightly (move the distributer one way or the other ) a little. Adjust it til it doesnt ping under acceleration. Hope this helps. Sorry about writing a novel. Let me know if this helps! Darren __________________ Washington State 1967 Chevy C10 LWB Rodstoration In Progress. 1972 K20 Cheyenne Super

11-12-2002, 09:27 PM	#1
tymberwolf95 Registered User Join Date: Nov 2002 Location: Clearfield, UT Posts: 8	help need input i'm new to the board and i am have a 72 c10 two wheel drive. an i am having problems getting my engine to start. when i got the truck it did not have a carb, alt. and the wiring was all screwed up me and a friend rewired it by the book and put a new distributor, carb, intake, spark plugs, wires and etc.. and when we go to start it we get a fireball shooting out of the carb. we checked the timing of the distributor and everything else but the timing chain and that is the last resort. if you have any inputs on what might be wrong please let me know thank you. Last edited by tymberwolf95; 11-12-2002 at 11:19 PM.

11-12-2002, 10:08 PM	#3
tymberwolf95 Registered User Join Date: Nov 2002 Location: Clearfield, UT Posts: 8	i've already tried that and that is why i'm at a loss for what it might be thanks anyway

11-12-2002, 11:00 PM	#5
tymberwolf95 Registered User Join Date: Nov 2002 Location: Clearfield, UT Posts: 8	cool thanks i will try that because the guy (kid) i got it from did not seem to have a clue about the truck cause it ran when he parked it and then he start yanking stuff off of it then it would not start

11-12-2002, 11:32 PM	#9
tymberwolf95 Registered User Join Date: Nov 2002 Location: Clearfield, UT Posts: 8	thanks for the info man but i've tried to do that too and it still did the same thing fireballs out the carb????? like i said the dude i got it from was a real dope and i think he screwed up alot of stuff in the truck. put it to you this way the guy had all the wiring spliced together with housing wire caps.

11-12-2002, 11:55 PM	#10
matt67350 Registered User Join Date: May 2001 Location: Benbrook, TX Posts: 1,060	The cam may be out of time, or the timing chain has been replaced and they didn't set the marks right. Good Luck. Matthew __________________ 69 swb stepside, rebuild and upgrade in progress

11-13-2002, 12:00 AM	#11
tymberwolf95 Registered User Join Date: Nov 2002 Location: Clearfield, UT Posts: 8	thanks that is my next step once i check the valves

11-13-2002, 12:23 AM	#12
Hutch Registered User Join Date: Oct 2001 Location: Grapevine, Tx. Posts: 2,142	Maybe the fireing order is out of whack. It is a long shot but worth double checking __________________ John Hutchison Grapevine,Texas 68 1/2 t swb 68 Mustang 69 Jaguar 71 1/2 t swb 88 Supra CompTs6m 93 Escort GT 2005 Corolla XRS

11-13-2002, 01:01 AM	#14
tymberwolf95 Registered User Join Date: Nov 2002 Location: Clearfield, UT Posts: 8	thanks guys i appreciate all the ideas cause i was out of them

11-13-2002, 06:20 AM	#15
Lippyp English Chevy Owner Join Date: May 2002 Location: Shropshire, UK/ Lot, France Posts: 1,848	First time I ever rebuilt an engine I got similar symptoms when I tried to start it, tried all the usual things, couldn't figure it out. A mechanic friend of mine took one look at it wandered to the back of the car, put his hand over the exhasut and as I cranked it over it tried to suck his hand up the tailpipe! I had the cam timing 180 deg out and it was sucking in through the exhaust and blowing out through the carbs. Try the hand over the exhaust test whilst cranking it over (coil lead off!) any sucking and you know what to do! __________________ Phil '67 C10 long fleet. 350/TH350, 4 bbl Carter, K&N, Dual exhaust, loads of stuff coming soon 2001 S10 Blazer Daily Driver, bone stock 4 door 4x4 with manual transmission



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