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Author Topic: what spline count on 86 np208 on the transmission side?  (Read 4813 times)

Offline screamin86

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what spline count on 86 np208 on the transmission side?
« on: November 25, 2009, 05:26:49 pm »
Ok guys i need to know what the spline count is for the input side of the 86 np208. My truck had a th350 swap at some time and was swaped with a.6in shaft trans with a aluminum spacer.i ordered a brand new trans through summit today and then after i got to work started thinking ab out the spline count.so if anyone knows could you let me know asap cause if this trans will not fit ill call and cancel or if i can convert the 208 to a diffrent input that would work too!
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86 k10 lwb 4x4:350 .040 214/224 444/466 112lsa performer rpm 1406 lt's summit racing th350 2800stall
03 yukon xl:tint debadge full boltons
86 ta:lm7 hot cam boltons

Offline Camfirchev

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Re: what spline count on 86 np208 on the transmission side?
« Reply #1 on: November 26, 2009, 04:39:05 am »
28 Spline.
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Offline screamin86

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Re: what spline count on 86 np208 on the transmission side?
« Reply #2 on: November 28, 2009, 10:01:40 pm »
Sorry i ment to post that i found a site that said there were two versions a 27 and a 32 mine is a 27 and it will work with the transmission i ordered! Thanks :)
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86 k10 lwb 4x4:350 .040 214/224 444/466 112lsa performer rpm 1406 lt's summit racing th350 2800stall
03 yukon xl:tint debadge full boltons
86 ta:lm7 hot cam boltons

Offline 87GMC

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Re: what spline count on 86 np208 on the transmission side?
« Reply #3 on: November 30, 2009, 04:28:49 pm »
To my knowledge all NP208 were a 32 spline.  The NP205 was a 27 spline.
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1987 GMC V2500 Sierra Classic 350TBI 4 Speed 3.42 Gears
2002 Chevy Camaro Z/28 LS1
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