Converting a 901 side shift to a 4 speed. |
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Converting a 901 side shift to a 4 speed. |
9144me2enjoy |
Nov 26 2019, 06:35 PM
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#1
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Member Group: Members Posts: 310 Joined: 19-June 18 From: Oregon Member No.: 22,240 Region Association: Pacific Northwest |
I have a 74-914 with a 4 cyl Raby engine 2270cc. It has the 901 side shift trans. Tired of the dog bone pattern. What would it cost to go to a 4 speed, 1st to 2nd position and make the smaller gear integral with the main shaft and possibly replace 4th gear with a lower highway ratio gear for mileage. I know this is common with V8 conversions etc. What is your thoughts. Thanks
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ClayPerrine |
Nov 27 2019, 11:28 PM
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#2
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Life's been good to me so far..... Group: Admin Posts: 15,503 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille |
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Porsche actually made a 4 speed version of the 901 for some early 911s. Not a big deal to do, just a different main shaft with a fixed A gear, and a special replacement for the old 1st gear with just the reverse slider. I have the pieces in one of my boxes of trans parts. |
sixnotfour |
Nov 28 2019, 11:24 AM
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#3
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914 Wizard Group: Members Posts: 10,433 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains |
(IMG:style_emoticons/default/agree.gif) Porsche actually made a 4 speed version of the 901 for some early 911s. Not a big deal to do, just a different main shaft with a fixed A gear, and a special replacement for the old 1st gear with just the reverse slider. I have the pieces in one of my boxes of trans parts. 70-71 mag case, pull clutch 911/00 4 7:31 A HB S ZA 1969 912 mag case push clutch 902/04 902.300/14 4 7:31 A H Q X Attached image(s) |
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