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03-02-2016, 09:16 PM
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#1 |
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Registered User
Join Date: Nov 2014
Location: Glendale, AZ
Posts: 8
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Truck dies when in gear
Okay I have a 68 stepside with a 350 with a mild cam and a 700r4. My problem is when I put it in gear (drive or reverse) and try to accelerate it dies, but when it's in park or neutral it revs up perfectly fine and everything. but when I shift it into reverse or drive it'll idle perfectly fine, however as soon as I attempt to accelerate it turns off.
Anyone know what could be causing it? |
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03-02-2016, 10:14 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,733
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Re: Truck dies when in gear
Lack of initial timing and/or inadequate accelerator pump shot.
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03-03-2016, 01:43 AM
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#3 |
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Registered User
Join Date: Jun 2014
Location: Lake Tapps Washington
Posts: 386
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Re: Truck dies when in gear
I second that! Make sure your timing is dialed in. Also what carb? What does it idle at in park?
__________________
1967 Chevy CST 10 1969 Chevy C/20 Longhorn 1969 K10 Suburban 1972 Chevy Cheyenne Super 10 turned K30 (sold) 
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03-03-2016, 10:24 PM
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#4 |
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Registered User
Join Date: Feb 2016
Location: China Grove, NC
Posts: 93
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Re: Truck dies when in gear
I remember my dad's chevelle doing the same thing. I asked my dad about it because he messes with 700r4's and his chevelle was doing the same thing. He said the guy who built the transmission had something backwards in the transmission. He isn't sure what it was but the guy swapped around and it run fine ever since.
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03-03-2016, 10:27 PM
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#5 | |
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Registered User
Join Date: Nov 2014
Location: Glendale, AZ
Posts: 8
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Quote:
Could loose valve springs be a problem as well? Posted via Mobile Device |
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03-03-2016, 10:31 PM
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#6 |
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Registered User
Join Date: Jul 2011
Location: Scottsdale Az.
Posts: 325
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Re: Truck dies when in gear
if your converter is bad that will cause it to die
__________________
1964 1 Ton flatbed service truck (sold) 1964 C-10 panel (project complete frame up build) 1957 210 post pearl orange |
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03-03-2016, 11:21 PM
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#7 | |
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Registered User
Join Date: Feb 2016
Location: China Grove, NC
Posts: 93
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Re: Truck dies when in gear
Quote:
My dad and I talked about that as a possibility too. I wouldn't think it was engine related if it's fine in park and neutral. |
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03-03-2016, 11:23 PM
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#8 | |
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Registered User
Join Date: Nov 2014
Location: Glendale, AZ
Posts: 8
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Quote:
Posted via Mobile Device |
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03-03-2016, 11:24 PM
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#9 |
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Registered User
Join Date: Feb 2016
Location: Troy MI
Posts: 14
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Re: Truck dies when in gear
Lock-up torque converter not disengaging?
__________________
Keep your head up...and your stick on the ice. |
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03-03-2016, 11:54 PM
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#10 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,733
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Re: Truck dies when in gear
If you suspect the tranny or lockup just 'hot brake' it!
Bring the rpm's up slightly (about 1000 rpm) with your foot on the brake and slip it into gear. Feather the throttle with the brake on to keep it running. Then slowly decrease the rpm so it will idle in gear. If it keeps running it's not tranny related. If it dies it's timing related. |
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03-03-2016, 11:56 PM
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#11 | |
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Registered User
Join Date: Nov 2014
Location: Glendale, AZ
Posts: 8
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Quote:
Posted via Mobile Device |
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