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05-09-2016, 08:43 PM
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#1 |
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Registered User
Join Date: May 2016
Location: USA
Posts: 4
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Lifted 89 K5 gears
I have a lifted 4x4 89 Chevy K5 (350 TBI/700R4) on 37's. I'm wanting to change the gears to 4:88 or 5:13.
I think these are the ones I need for the rear? http://www.summitracing.com/parts/rmg-6901691/overview/ But, I can't find the part number for the front set, unless it is the same front and back? Thanks guys. |
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05-09-2016, 10:07 PM
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#2 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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Re: Lifted 89 K5 gears
I'm pretty sure the gears are the same F to R on the 10 bolt. Low pinion fronts drive on the coast side of the gear instead of the normal drive side. Simple thing to do is order from Summit using the phone instead of your computer.
__________________
44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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05-10-2016, 08:30 AM
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#3 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Lifted 89 K5 gears
Yeah, when it comes to differential parts it's best to talk to someone to make sure you get what you need. If Summit can't give expert advice, call someone like Randy's Ring & Pinion or Reider Racing. They are specialists and will sell you the right stuff
__________________
"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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05-11-2016, 10:42 PM
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#4 |
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Registered User
Join Date: Sep 2012
Location: Idaho
Posts: 652
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Re: Lifted 89 K5 gears
Id put a bigger axle in off a 3/4 ton truck with 4:10s
For 37"ers 4:10s would work for me. Unless your building a race truck or sumpin
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'81 K20 Silverado , '99 Dodge Cummins 4x4, '05 Dodge Cummins 4x4, Pinstriping-Lettering-Specialty Painting |
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05-13-2016, 02:05 PM
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#5 |
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Registered User
Join Date: Jun 2012
Location: cibolo tx
Posts: 1,033
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Re: Lifted 89 K5 gears
He has a 700r4. He needs 5.13 ideally. You're located in usa. I'm sure there is a 4 wheel parts store somewhere. Call one of those. They can typically have them next day.
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05-20-2016, 06:03 PM
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#6 |
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Registered User
Join Date: May 2016
Location: USA
Posts: 4
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Re: Lifted 89 K5 gears
Thanks guys. Does having the stock gears in it, hurt the transmission?
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05-20-2016, 07:44 PM
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#7 |
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Registered User
Join Date: Jun 2012
Location: cibolo tx
Posts: 1,033
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Re: Lifted 89 K5 gears
Yes. Excessive heat buildup and low line pressures are detrimental to a 700r4. Help it out and put a large cooler inline.
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05-21-2016, 08:08 AM
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#8 |
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user # 2756
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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Re: Lifted 89 K5 gears
My 83 has the 700r4, w/ 37" tires and 4.56 gears. It seems to do real good.
__________________
1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm 
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06-03-2016, 09:29 PM
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#9 |
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Registered User
Join Date: May 2016
Location: USA
Posts: 4
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Re: Lifted 89 K5 gears
Thanks guys for the help. Is brand name important in ring and pinion? Are Richmond's good? It looks like through summit racing 2 sets of Richmond ring and pinion and 2 install kits will run about $600, does that sound about right?
http://www.summitracing.com/parts/rmg-6901711/overview/ http://www.summitracing.com/parts/rmg-8310211/overview/ |
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