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02-05-2006, 10:35 AM
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#1 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,238
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gearing help
okay my friend has a 1967 chevy c-10 was a 3speed but was converted to turbo 350 with 327 2 barrel carb. anyway the truck always redlines every gear. and it jerks when in reverse. looking at having it rebuilt soon but is the redlining a gearing problem inb the trans or the rearend?
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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02-05-2006, 05:26 PM
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#2 |
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Senior Member
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,238
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Re: gearing help
anyone? lol
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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02-05-2006, 05:58 PM
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#3 |
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Registered User
Join Date: Nov 2005
Location: McKinney, Texas
Posts: 465
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Re: gearing help
Trans is my guess. About the only thing that would cause a rearend to slip would be a broken axle in an open carrier.
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02-05-2006, 06:01 PM
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#4 |
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Senior Member
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,238
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Re: gearing help
rearend not slipping just trying to figure out whats goeing on the whole truck jerks when going backwards it moves when the biggest problem is it is leakign trans fuild like crazy goes though2 qts a day done changed the pan gasket so trying ti figure out why it redlines before it shifts
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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02-05-2006, 06:04 PM
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#5 |
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Registered User
Join Date: Nov 2005
Location: McKinney, Texas
Posts: 465
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Re: gearing help
Maybe front pump leaking, not building proper pressure???
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02-05-2006, 07:04 PM
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#6 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: gearing help
After you described it a little more I think I see what's going on now.
Your first description made me think it was just reving too high..as in wrong gearing. Sounds to me like the vac mod is unplugged. Since it is probably warm where you are at, you can simply crawl under and look at the hose. If it is cold/wet, or you are in a hurry...or lazy liek me, you can just drive it like a stick shift. Start in first, and rev it just a tad higher than where it should shift, then put it in second...same for third. No need to down shift coming to a stop, the tranny will take care of that... but you'll have to upshift again after taking off. |
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02-05-2006, 07:48 PM
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#7 |
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Registered User
Join Date: Sep 2003
Location: Evergreen, CO
Posts: 492
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Re: gearing help
Gotta agree with Andy. Sounds like the vacuum modulator is either bad or disconnected.
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71 Blazer / GMPP ZZ383 / MPFI / 700R4 / 4-Wheel Disk / Ground-up frame off almost completed resto-mod |
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