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#21
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#22
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yes thats what i meant, about an inch from bottomed out.
depending on the measurements TAman comes up with, maybe strange can factor the difference & let me know if i can get away with using a conversion joint now & be able to swap to a 1350 pinion yoke later. im ok with using a rear conversion at my power level if they say it wont work to build it for both ways. |
#23
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#24
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After installing my rebuilt rearend, new leaf springs, shocks and caltracs on my car I almost forgot to measure.
I measured from the rear end housing to the center of the u joint in the diff yoke. Factory 80 trans am 3r diff yoke 2 5/8" 80 Trans Am Strange CM diff yoke 1350 2 7/8" Attached is the Strange 1350 CM diff yoke....once you go from the 3r funky retainment to this...you feel pretty comfortable.
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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2 373 gears 3200 Continental Convertor best et 10.679/127.5/1.533 60ft 308 gears best et 10.76/125.64/1.5471 Last edited by ta man; 05-15-2021 at 10:59 PM. |
The Following 2 Users Say Thank You to ta man For This Useful Post: | ||
#25
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can anyone confirm what rear joint a 72 firebird with 350/350 used? i will measure to confirm before i order but i always thought it was a 1310 that uses the straps to hold it in the diff yoke that has centering tabs. did they change to a smaller u joint for later years, is that maybe the 3R? |
#26
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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2 373 gears 3200 Continental Convertor best et 10.679/127.5/1.533 60ft 308 gears best et 10.76/125.64/1.5471 |
#27
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sorry read that wrong & was too early in the morning, yes 1/4" difference in the diff yoke.
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#28
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Before I bought the Strange forged 1350 yoke I used one off a '90's 1500 truck. 1350 and bolted right my '71 F body rear end. No conversion joint necessary. It fit my 10 bolt and my '70 12 bolt. I got it at the junkyard and paid I think $20 for it.
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1978 Black & Gold T/A [complete 70 Ram Air III (carb to pan) PQ and 12 bolt], fully loaded, deluxe, WS6, T-Top car - 1972 Formula 455HO Ram Air numbers matching Julep Green - 1971 T/A 455, 320 CFM Eheads, RP cam, Doug's headers, Fuel injection, TKX 5 Spd. 12 Bolt 3.73, 4 wheel disc. All A/C cars |
#29
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Also be aware some front yokes are slightly different. my M-W was different enough when I measured for them compared to a factory yoke the driveshaft was longer than if I used a factory yoke.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#30
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did you ever find a solid 1350 conversion u joint? ive checked quite a few places & not seeing any solid conversion u joints for any size or brand.
anyone know why a solid conversion joint isnt available or so hard to find? is it because of how they are made like the strange tech i talked to explained or is it how lakewood/holly tech just said on their website chat that there is no demand? seems like one could be made the same as how they make a standard u joint or even CNC machined that way. |
#31
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I know my MW yoke was different from a factory TH 400 yoke when I swapped the TH400 in the Camaro. Old SBC and ST10 with the 12 bolt used a stock type front toke. . The MW yoke took a longer driveshaft a 48.5. Same that was too long with a factory yoke.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#32
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thanks. more concerned with a solid conversion Ujoint, they are all greaseable from what ive found so far.
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#33
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As far as I know, the conversion joints are all greasable. Which is fine actually, the conversion joints, in my mind, are just a temporary work around until a proper yoke is installed so a proper 1350 non greaseable joint can be used.
As I may have mentioned previously, either here or another thread, at this point it's not necessarily the u-joint that is the weak link, but the smaller cast yoke. |
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