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#1 |
Registered User
Join Date: Mar 2010
Location: Eastern Shore, Maryland
Posts: 159
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Six speed swap? Who has done it? Yes I searched
I searched many different ways for a 6 speed swap, but every time I search the word (six) or the number (6) gets omitted from the search. I can't find anybody who has done the swap.
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#3 |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Six speed swap? Who has done it? Yes I searched
I just did it to a '69. What do you want to know?
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#4 |
Registered User
Join Date: Sep 2010
Location: Casselton, North Dakota 58012
Posts: 1,080
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Re: Six speed swap? Who has done it? Yes I searched
Do you have any pics of the install? Any helpful hints?
Thanks, Ryan |
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#5 | |
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Six speed swap? Who has done it? Yes I searched
Quote:
__________________
Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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#6 |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Six speed swap? Who has done it? Yes I searched
I havent taken any good pic other than these that were taken during install.
You can go with or without the high hump. I stuck with my low hump and left the engine in the I6 location and used the I6 engine perches. I used the auto crossmember, but ended up having to flip it and hack it because of clearance with the low hump. I will custom fab a better x member later. There are two different T-56's, an LS and an LT. The differences are in the belhousing and input shafts. Also 5th and 6th gear will vary and I think the slave cylinder is different. I used an LT cause i got a good deal. Installed a mid shift kit and upgraded syncro keys and shift forks when i rebuilt it. Either way you go, your going to spend alot mating it to a Gen I SBC. I used American Powertrain for the flywheel and clutch. The flywheel is custom ordered and cheaper than a Centerforce or Fidanza. The clutches they sell as kits or in pieces. For the slave, i figured out that a '89 comaro slave is an aluminum version of the '93-'96 plastic slave that is supposed to go with the trans. Has the same bore and stroke, cheaper, aluminum, and made in italy. I removed VSS (skip shift) and plugged the hole with a customized metric oil pan plug. My shift knob has a button that activates the reverse lockout. I havent hooked up reverse lights or electric speedo yet. You will have to shorten your driveshaft as well. You can buy aftermarket dust sheilds from www.f2b.com for $32.95. |
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#7 |
Registered User
Join Date: Aug 2008
Location: Lantana, TX
Posts: 419
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Re: Six speed swap? Who has done it? Yes I searched
Need a large hump, I used an auto crossmember. Mine is a LT1 T56 so I have the slave on the side of the bellhousing that causes issues with header clearance. There isn't a whole lot to getting it in there.
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#8 |
Registered User
Join Date: Feb 2007
Location: Cali Central Coast
Posts: 5,191
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Re: Six speed swap? Who has done it? Yes I searched
Do you have a picture of the shifter on the interior of the truck?
__________________
'67 SWB Fleetside ZZ4/350/Tremec 5-speed/4link/Scott's IFS - and fun as heck! SOLD ![]() Click here to support the board Philippians 4: 6-7 |
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#9 |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Six speed swap? Who has done it? Yes I searched
Here you go. The shifter come through about 7-9" forward of the bench seat. This is another reason I chose to use the I6 locations. If the engine was in the V-8 position, the shifter would be furhter forward from this location.
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#10 |
Rottenwood Garage Member
Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
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Re: Six speed swap? Who has done it? Yes I searched
This is all so RACY I can barely stand to sit here and read it.....Im off to the race barn to see what I can get my hands into. BTW...look at that custom transmission x-member!!! Rottenwood Garage at its best!
__________________
2004 Chevrolet Suburban C1500 2001 Chevrolet 2500HD Crew 6.0 1999 Harley Davidson Electra Glide 1972 Chevrolet C-20 Custom Camper "Dump Truck" 1972 Chevrolet C-20 Suburban "Big Green" 1969 Chevrolet C-50 Wedge Hauler "Leonidis" 1966 C-10 2x4 short fleet 327 4 speed "Race Truck" 1952 Plymouth Cranbrook "Rican" (my grandfathers) 1931 Ford Model A Coupe "Black Beauty" 1930 Ford Model A truck "Club Cab" 4x4 Rottenwood Garage and Speed Shop.....where everything must be racy! It's not just a hobby..It's a LIFESTYLE!!! Thanks for nothing Barrett-Jackson You cant fix stupid or teach accountability! Time wasters, looky Lous and tire kickers are everywhere! |
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#11 |
Registered User
Join Date: Feb 2007
Location: Cali Central Coast
Posts: 5,191
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Re: Six speed swap? Who has done it? Yes I searched
Thanks for posting that picture - I've got the SM465 but it would sure be nice to have the 6 speed.
__________________
'67 SWB Fleetside ZZ4/350/Tremec 5-speed/4link/Scott's IFS - and fun as heck! SOLD ![]() Click here to support the board Philippians 4: 6-7 |
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#12 | |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Six speed swap? Who has done it? Yes I searched
The fifth and sixth gear are nice, but you got to do some serious highway driving to use them.
Currently I have a 3.42 12 bolt in the rear. I am cruising at 50mph in 5th gear turning 1200rpm. Thats too low for any incline or acceleration, but it just sips gas on a flat road. I am building a 12 bolt with 4.10's and an Eaton truetrac currently. I hope to have that in by the end of the month. Quote:
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#13 | |
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Six speed swap? Who has done it? Yes I searched
Quote:
__________________
Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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#14 | |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Six speed swap? Who has done it? Yes I searched
Quote:
Ok. I'll let you know. Didn't you buy Shifty's LS 6 speed project? Based on how it rides with the 3.42's, i think the 4.10's will be perfect. My T-56 has the .5:1 6th. I am not happy with my tires right now. They are a little over 29". |
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#15 |
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Six speed swap? Who has done it? Yes I searched
Yes I bought his truck for my son. Are you going to go with a shorter tire? I was thinking 29's with the 4.11 would be just about right....
__________________
Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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#16 |
Registered User
![]() Join Date: Jul 2010
Location: Las Vegas, NV
Posts: 969
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Re: Six speed swap? Who has done it? Yes I searched
Here are a few pictures of mine. LS1 with the T56. I plan on staying with the 3.73 gearing in the rear-end. Its not complete yet.
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__________________
Mark 1972 C10 SWB LS1/T56 6 speed trans/4:56 posi with 5.5"-7" static drop/Boss 338 Wheels 18"x20" My build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=424609. My first start up http://youtu.be/R899YQ1OcjU |
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#17 |
Registered User
![]() Join Date: Aug 2010
Location: Mooresville, NC
Posts: 2,675
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Re: Six speed swap? Who has done it? Yes I searched
[quote=trkfrk;5119230]Here are a few pictures of mine. LS1 with the T56. I plan on staying with the 3.73 gearing in the rear-end. Its not complete yet.
![]() quote] Not to highjack, but ... Is that a "hammered" texture style paint on your chassis? Man, it looks good. Need a close up shot! Hey, if you decide you need a high hump... I've got one! It's for sale in my Blazer parts thread. http://67-72chevytrucks.com/vboard/s...d.php?t=500099 ![]()
__________________
Jeff 1972 Blazer CST 2wd- My son Sam's Project "S" Project "S" 1970 Suburban - SOLD "One Bad Burb" Photobucket Album 1986 C30 Crewcab - 63K original miles, original paint Members I have met: mikey531, gcburdic, bashed, burbman69, TonyPieras, Blazester, GCncsuHD, custombuilt67-72, tsnow678, highrpm, PanelDeland, tanman722001, 47thriftmaster, babyblueoval, 68stepbed, JesseWebb, Andy4639, xs-style, TobyArnot, BigOrange, frednoah, brn_agn, k5hart, Graham57a, bhelton, AJohn6, SilverC10, 69CST, '71 Flame, RaceAGMC, Liz, Josh, MattPSU, 68corvair, Chevy350V8, mdeal, ccrorymc, mrhurt73, dmxxpert, Custom68, 84GMC, BionicABs1, BigBlockBurris, Ebfabman, ATP... |
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#18 | |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Six speed swap? Who has done it? Yes I searched
Quote:
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#19 |
Registered User
![]() Join Date: Jul 2010
Location: Las Vegas, NV
Posts: 969
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Re: Six speed swap? Who has done it? Yes I searched
quote]
Not to highjack, but ... Is that a "hammered" texture style paint on your chassis? Man, it looks good. Need a close up shot! Hey, if you decide you need a high hump... I've got one! It's for sale in my Blazer parts thread. http://67-72chevytrucks.com/vboard/s...d.php?t=500099 ![]() Yes, its powder coated "Hammered Gray". One of the best decisions I made on my build so far. I also used a "high hump" but modified it for the new shifter location. ![]()
__________________
Mark 1972 C10 SWB LS1/T56 6 speed trans/4:56 posi with 5.5"-7" static drop/Boss 338 Wheels 18"x20" My build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=424609. My first start up http://youtu.be/R899YQ1OcjU |
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#20 |
Registered User
Join Date: Oct 2010
Location: Illinois
Posts: 4
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Re: Six speed swap? Who has done it? Yes I searched
Ill be doing a T56 swap into my 70 short bed with a sbc 383 and 3:73 gears . Ive got the T56 out of a 06 GTO because it has a taller 1st gear of 2.97 which will help are heavy trucks get out of the whole alot better vs the 2.66 1st gear of the F-body T56's .
I will be staying old school though and using mechanical linkage by using the new Quicktime Bell housing RM-6023PB which i ordered a couple of days ago . Still gathering all the parts i need , should be soon enough . |
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#21 |
Registered User
Join Date: Jul 2010
Location: Janesville, WI
Posts: 664
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Re: Six speed swap? Who has done it? Yes I searched
Dznucks- I'm putting a t56 in my 86 right now. I ran into an issue hope you can help. I have a Gen 1 block centerforce adapter flywheel and I am having troubles finding a starter that fits. Stock wont fit in the bellhousing also tried a stock starter from a 70camaro 4spd car which has a smaller nose but still no go. What are you using for a starter. Also where did you get your 89 slave? Part number?
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