 gearbox. open it up or not? |
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| RFoulds |
 Jul 29 2020, 12:44 PM
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#1
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Green Teen 66  Group: Members Posts: 837 Joined: 10-August 09 From: La Quinta, CA Member No.: 10,656 Region Association: Southwest Region 
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I have never opened up a 901 gearbox. with the last race car, I had 2 different boxes with different gear sets, and the gear charts for both. Current race car, has a rock solid transmission, but the gears are wrong for the tracks I run. problem is, I have no idea what gears are in it. it was built by Transaxle Engineering, and neither they or the PO documented what gears are in it.
So, any recommendation on who can replace a gear set or at least 5th? I would take it back to Transaxle Engineering but I know they are going to be expensive. |
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| yeahmag |
Jul 29 2020, 01:08 PM
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#2
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Advanced Member Group: Members Posts: 2,421 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California
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Dr. Evil can do it for you for a good, if not great price.
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| Bleyseng |
Jul 29 2020, 01:11 PM
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#3
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Aircooled Baby! Group: Members Posts: 13,034 Joined: 27-December 02 From: Seattle, Washington (for now) Member No.: 24 Region Association: Pacific Northwest |
Do it yourself as its really pretty easy to work on these 901 boxes. You need the factory manual for the 901 stuff but its easy to follow .
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| ctc911ctc |
Jul 29 2020, 02:00 PM
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#4
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Senior Member Group: Members Posts: 892 Joined: 9-June 18 From: boston Member No.: 22,206 Region Association: North East States
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I went through the same quandary.
I bought the Dr. Evil videos and watched them through a few times. I then did two things for the first time. 1. Dropped the Engine 2. Opened the transmission I found that the tranny was in terrific shape with the exception of 1st and 2nd sync/ring & Dog teeth. I am now buying the tools to disassemble the gears and then will replace them once the parts come....>George???? So far soo good, Thank you all Teeners for the advice and encouragement! |
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| 914_7T3 |
Jul 29 2020, 02:16 PM
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#5
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Please forgive me, I'm new to all of this! Group: Members Posts: 1,853 Joined: 3-April 17 From: Los Angeles, CA Member No.: 20,991 Region Association: Southern California
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If you are not going to do it yourself, consider bringing it to Kevin at KCR Transmission in Riverside.
He did a great job on rebuilding mine at reasonable pricing. Changed out the main bearing, 1st/reverse slider and all 5 synchros. http://kcrtransmissions.com/ |
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| Montreal914 |
Jul 29 2020, 02:25 PM
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#6
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Senior Member Group: Members Posts: 1,559 Joined: 8-August 10 From: Claremont, CA Member No.: 12,023 Region Association: Southern California
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Perfect opportunity to get acquainted with your gearbox! (IMG:style_emoticons/default/smile.gif)
Buy Dr Evil's video, watch it first with a beer, (IMG:style_emoticons/default/beer3.gif) , then bring your laptop in the garage and dive in pressing pause and play... Fun project made easy with the video! (IMG:style_emoticons/default/smilie_pokal.gif) Good luck! |
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| RFoulds |
Jul 29 2020, 02:31 PM
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#7
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Green Teen 66 Group: Members Posts: 837 Joined: 10-August 09 From: La Quinta, CA Member No.: 10,656 Region Association: Southwest Region
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QUOTE(914_7T3 @ Jul 29 2020, 01:16 PM)  If you are not going to do it yourself, consider bringing it to Kevin at KCR Transmission in Riverside. He did a great job on rebuilding mine at reasonable pricing. Changed out the main bearing, 1st/reverse slider and all 5 synchros. http://kcrtransmissions.com/ good call on KCR transmission. I had heard of them and lost the contact info. I just dont have the time to get into it on my own. wish I did. |
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| ctc911ctc |
Jul 29 2020, 04:40 PM
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#8
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Senior Member Group: Members Posts: 892 Joined: 9-June 18 From: boston Member No.: 22,206 Region Association: North East States
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QUOTE(Montreal914 @ Jul 29 2020, 02:25 PM) Perfect opportunity to get acquainted with your gearbox! (IMG:style_emoticons/default/smile.gif) Buy Dr Evil's video, watch it first with a beer, (IMG:style_emoticons/default/beer3.gif) , then bring your laptop in the garage and dive in pressing pause and play... Fun project made easy with the video! (IMG:style_emoticons/default/smilie_pokal.gif) Good luck! (IMG:style_emoticons/default/agree.gif) (IMG:style_emoticons/default/agree.gif) (IMG:style_emoticons/default/agree.gif) (IMG:style_emoticons/default/agree.gif) |
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| roblav1 |
Jul 30 2020, 11:03 AM
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#9
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Senior Member Group: Members Posts: 528 Joined: 18-September 12 From: KY Member No.: 14,943 Region Association: MidAtlantic Region |
Find a Hewland MK9! Essy to swap gesrs!
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