Citing in gear

1993 CHEVROLET SILVERADO
200,000 MILES • 5.7L • V8 • RWD • AUTOMATIC
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KEVIN DULANEY
  • MEMBER
  • 2 POSTS
I changed my engine over to carburetor with a bigger cam and new intake. It runs good in park, but when put in gear it cuts off the only way it stay running is when I use brake and gas. Someone told me it could be the torque converter, is that true?
Jun 8, 2016 at 4:06 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
actually it depends on how large of a cam you put in it and how high it idles in neutral. the torque converter may need to have one installed that has a higher stall speed so it wont stall. If you are idling around 1500-1800 the cam is too big for torque converter.
Jun 8, 2016 at 5:01 AM
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KEVIN DULANEY
  • MEMBER
  • 2 POSTS
I have a 700r trams with a stage 1 shift kit stall to 2500 rpm's.
Jun 8, 2016 at 5:41 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
what does the truck idle at? if it is like I said it is not a high enough stall speed or the clutch is staying locked on in the torque converter.
Jun 8, 2016 at 5:50 AM
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KEVIN DULANEY
  • MEMBER
  • 2 POSTS
I need a biger torque converter. I am thinking bout 3500 rpm's.
Jun 8, 2016 at 11:59 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
sure.
Jun 8, 2016 at 10:32 PM
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