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03-19-2003, 08:53 PM
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#1 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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4 speed to automatic
Im converting my Blazer from sm465/205 to turbo 350/205..Are my drive shaft lengths going to change??
Does my crossmember position change?? Thanks , Randy 
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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03-19-2003, 08:56 PM
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#2 |
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Resident Curmudgeon
 
Join Date: Dec 1999
Location: NH
Posts: 6,662
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No and no. It is the adapter between tranny and xfer case that makes up any difference in length with this swap.
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Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter  Maybe I need to sell some of this crap  Yet another Bozo with a sawz-all |
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03-19-2003, 09:01 PM
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#3 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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Excelent!!! I have fairley new driveshafts and dont want any snags on conversion day..Thanks CPNE.
Randy
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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03-20-2003, 12:31 AM
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#4 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Randy, did you scatter the 4 speed?
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03-20-2003, 08:30 AM
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#5 |
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Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,254
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My 350/205 has the same driveshafts as it did when it was a 3-speed/205. The crossmember under the tranny/t-case didn't even move. I just torched out the rivets from the center section of the crossmember and replaced them with bolts when the new tranny/t-case was in.
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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03-20-2003, 06:25 PM
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#6 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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Andy, The 4 speed still works good. Im converting to automatic so i can improve my 100 yard dirt drag times. Plus....I'm tired of shiftin'.....Ever since i was 16 all my daily drivers were manual's...It sucks in traffic and i'm always spillin my beer....So .....automatic here i come.
Randy
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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03-21-2003, 12:34 AM
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#7 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Ahhh, good point. I forgot you actually race that thing in the mud. You gonna install a higher stall verter? I find my 1900 stall is invisable in traffic, but when I nail it she jumps quite a bit harder.
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