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#1 |
Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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Some 4 gear questions
Today the shifter in my 4 speed went to neutral,and the tranny stayed in 4th,which is a common thing in these old trucks,I've had it happen several times through the years.
Also it jumps out of 3rd,and idling along in Granny it just falls out of gear when I let off the gas. Also it is really hard to get into 2nd sometimes unless I stop completely. But it DOESN't make any noise ![]() Is there anything I can do to make it work better with out swapping it out? I am concidering a TH350 in the spring,which will prolly happen,so I just wanna improve performance until then. Thanks
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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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#2 |
Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
|
Ttt
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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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#3 |
Got Light Emitting Diode?
Join Date: Apr 2004
Location: Newberg, OR
Posts: 2,485
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i had a SM465 and it never popped out of gear. i also couldnt get into second unless i was at a stop, but when i did you ate the dash. i finally pulled mine out when it started sticking in 4th??? i am sure the 4th gear starts i did were not good on the clutch
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1968 1/2 ton 2wd lwb 6 lug disc and bags up front. Next c notch and rear bags '02 Chevy Silverado LT ext cab short bed 2WD 5/7 drop on 22's ![]() 1993 Cherokee work ride/weekend wheeler |
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#4 |
Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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I can't wait till I can ditch this POS and get a nice automatic in it.I hate things that don't work right
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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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#5 |
Registered User
Join Date: Nov 2004
Location: "Under Montana skies."
Posts: 1,836
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Keep the SM465. It's a great tranny. It does have a common weakness that usually pops up after many miles of normal wear and tear. Get it? "Pops up!"
![]() OK, ok. ![]() You can click on the entries on this site to get a word picture of how to overhaul the SM465 yourself. Images don't work though the markers are there. Downloads as a text doc for my mac: SM465 I hate automatics. ![]()
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'71 GMC K20 Suburban, '71 GMC K10 Suburban, '72 Chevy C10 CST Suburban, '72 Chevy K20 clunker pickup. |
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#6 |
Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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I have pics on the PC,nice article.Thanks.
I like the 4 speed too,but I would enjoy the automatic being old and lazy ![]() I have a couple of these around wit about the same problem,so I may just rebuild one and see how it goes.Never been into one,so I may have lots of parts ![]()
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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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#7 |
Registered User
Join Date: Nov 2004
Location: "Under Montana skies."
Posts: 1,836
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Good. I'm glad you got pics.
![]() ![]() Dear 67-72ChevyTruck Board Members using Mac computers, Can you download the above "SM465" linky pages with pics? And show me how to?
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'71 GMC K20 Suburban, '71 GMC K10 Suburban, '72 Chevy C10 CST Suburban, '72 Chevy K20 clunker pickup. |
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