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Old 06-27-2008, 11:15 AM   #1
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Civic STD

I have an 88 civic std. From what i understand, the gear ratios are the same as an HF. I need to know what parts I need to add the crx hf's fifth gear. Iplan to change the diff gear. Will I need to change the shift fork for 5th/R or is it the same as the R fork in the std. I can get a 5sp dx tranny from a pick and pull for spare parts. Will I need to change the sychros or add one? Any responses are greatly appreciated.
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Old 06-27-2008, 01:22 PM   #2
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I have an 88 civic std. From what i understand, the gear ratios are the same as an HF. I need to know what parts I need to add the crx hf's fifth gear. Iplan to change the diff gear. Will I need to change the shift fork for 5th/R or is it the same as the R fork in the std. I can get a 5sp dx tranny from a pick and pull for spare parts. Will I need to change the sychros or add one? Any responses are greatly appreciated.
you might try searching on honda-tech.com or d-series.org. i do not know personally.
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Old 06-27-2008, 02:41 PM   #3
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you might try searching on honda-tech.com or d-series.org. i do not know personally.
I have searched extensively and came up with nothing.
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Old 06-27-2008, 02:51 PM   #4
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For the 5th gear all you would need is the gear on the input shaft and the gear on the counter shaft. Why not just get the whole hf transmission and replace the bearings if necessary?

i dont remember all the gear ratios being the same, i remember the 1st gear ratio being the same on the hf dx and si.
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Old 06-28-2008, 03:50 AM   #5
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Need to know anything about going into you tranny just pm me and I will try and help you out. I went in my dx tranny to make a hybrid.
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Old 06-28-2008, 04:28 AM   #6
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Why not just get the whole hf transmission and replace the bearings if necessary?
My thoughts entirely. It is going to be MUCH cheaper AND easier to just get a used HF transmission. After pulling it, spin the input shaft in neutral and all gears (including reverse). If it is smooth and quiet, try running the transmission as-is. Otherwise, take it apart and replace the bearings.
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Old 06-28-2008, 06:40 AM   #7
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My thoughts entirely. It is going to be MUCH cheaper AND easier to just get a used HF transmission. After pulling it, spin the input shaft in neutral and all gears (including reverse). If it is smooth and quiet, try running the transmission as-is. Otherwise, take it apart and replace the bearings.
I have called every junkyark and came up with nothing even the huge one that has yards in two states. That happens to be why I got the std. The only difference btw the hf and std tranny is the final drive ratio and the std's lack of a fifth gear.
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Old 06-28-2008, 09:50 AM   #8
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Try here: http://www.car-part.com/

I found an 84 CRX HF transmission for $75, I just had to drive about 4 hours to pick it up...
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Old 06-28-2008, 05:36 PM   #9
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Try here: http://www.car-part.com/

I found an 84 CRX HF transmission for $75, I just had to drive about 4 hours to pick it up...
I did some research and to use an 84 tranny would require new mounts and welding new mount positions on the chassis. I'm not going to pay any body to do my work, I drove to montreal to get the engine for my Z so if any one knows of an hf tranny near batimore let me know. Is it going to be cheaper because of how much the gear costs, if all I need is the gear, or does that include paying someone to do the work.
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Old 06-28-2008, 10:38 PM   #10
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since your std is a 4spd is the transmission a different size?

I dont think the previous poster ment for You to get an 84 hf transmission. I think he ment for you to use the site.
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