transmission recommendation
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=4524
Printed Date: November-27-2024 at 12:22pm
Topic: transmission recommendation
Posted By: pswann
Subject: transmission recommendation
Date Posted: August-16-2006 at 11:10am
| I know there are many types of transmissions available in a 1 to 1 configuration. Since I am getting a spare I have not decided what engine I will attach it to. What model is the most available and the most rebuildable that will take the most power I can put at it and still last the longest? (take the most abuse) What core should I be looking for? Thanks |
Replies:
Posted By: eric lavine
Date Posted: August-16-2006 at 11:51am
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Borg warner 10-17-003 or 004 bulletproof, stay away from pcm 40 and zf hurth 450 junk you shuold also ask bc wannabee he seems pretty intelligent ------------- "the things you own will start to own you" |
Posted By: 79nautique
Date Posted: August-16-2006 at 11:55am
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I don't know tranny's but I'm pretty good at everything else, read the other thread and thanks Eric for responding to Pat we've all been waiting for that and look forward to more. ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=756&sort=&pagenum=1&yrstart=1979&yrend=1979 - 79 nautique |
Posted By: pswann
Date Posted: August-16-2006 at 6:50pm
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I havent heard mention of these numbers. Are they on the tag where you can ask a seller if they have this information? Is it the same tag that has 1 to 1 that I seem to see regularly? Thanks for your expertise. I will locate one and ship it to you to have overhauled.
Disregard, it is on the tag that has 1 to 1 How about a 10-18-02 :) |
Posted By: eric lavine
Date Posted: August-17-2006 at 8:58am
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10-18-002 will also work, they go behind big blocks, instead of 5 and 4 clutch plates in forward they have 7 and 6 they will fit in place of a 10-17, they are about 1 inch longer they are rated for 475horse at 4200 ------------- "the things you own will start to own you" |
Posted By: marks
Date Posted: August-17-2006 at 6:01pm
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Eric,
What's the problem with the PCM 40. I'm just curious, since this is what CC now uses. |
Posted By: eric lavine
Date Posted: August-17-2006 at 8:24pm
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I always compare transmissions to borg warners which will run like a timex, out of the ones i see 8 out of ten of them will have a cracked forward clutch cylinder (drum) recently I have seen a design change in the drum, the drums crack from high rpm shifts or mis-alignment on the 1to 1's, if you get water in these transmissions forget it, you are most certain for $$$$$, water kills the lube qaulity of the oil and causes the seal rings to seize in the grooves and it wears grooves in the case,I machine the case and install a cast iron sleeve. they are very costly to rebuild unlike a BW. with pcm's an ounce of prevention is worth a pound of cure, change oil everytime you change engine oil,only shift at normal idle(unless emergency) check alignment every year, best done with boat in the water, if you see signs of water flush it at least 3 or 4 times, even after flushing them when i tear them apart i still find water in them. ifyou ever do have to tear into one of these expect to spend 450.00 on cluth kit and seal and gasket kit. the drum is about 240.00 if needed. a good indication of a bad drum is forward slip especially on launch,the crack will open up with torque and if you do tear into one inspect the drum very very carefully,it is hard to spot the crack, ------------- "the things you own will start to own you" |
Posted By: GottaSki
Date Posted: August-17-2006 at 9:46pm
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Upon falling in the course one day, the rope flung around the driver's neck and also threw the shift in reverse, 425HP454 at 34 mph. No damage, time proven, kudos to the BW. ------------- "There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing." River Rat to Mole |
Posted By: M3Fan
Date Posted: August-17-2006 at 10:38pm
I believe Eric is talking about the 1:1 PCM tranny, not the 1:23. |
marks wrote:Posted By: eric lavine
Date Posted: August-18-2006 at 7:47am
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the 1:1 and the 1.23 are virtually the same except for 1.23 has a reduction and a 8 or 10 degree down angle.the 1.23 can handle some mis-alignment because of the taper roller bearings the 1:1 cannot, and i shouldnt label them as junk.they are like woman, you have to pay attention to them or your gonna have problems ------------- "the things you own will start to own you" |
Posted By: M3Fan
Date Posted: August-18-2006 at 9:05am
| My impression was that the PP transmissions were absolutely bombproof- learn something new everyday. |
Posted By: David F
Date Posted: August-18-2006 at 11:13am
Curious. You would think that if the PCM trannies were junk, we would hear a lot of problems related to that tranny on this site and Planetnautique. But, PCM tranny issues/questions are a rarity on both forums. Makes you wonder how "junk" they really are ------------- |
Posted By: GottaSki
Date Posted: August-18-2006 at 11:34am
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I think mister average and his playground buddies shifts his nautique like he did his cuddy bayliner with an Alpha-one.
These sites tend to see more adept enthusiasts. ------------- "There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing." River Rat to Mole |
Posted By: M3Fan
Date Posted: August-18-2006 at 12:03pm
| Functionally my (now TRBenj's) old 90 SN's transmission was as tight and slick as ever after 1150 hours of use. I'm assuming it was not rebuilt by the previous owner but that trans was and is amazing. Smooth shifting and strong. Never a slip, never a leak, nothing. I also love how quiet the PCM trans is in reverse- when you throw a Bu or MC into reverse it sounds like you're making margaritas in a blender! |
Posted By: GottaSki
Date Posted: August-18-2006 at 1:34pm
Uhm, and the problem is..?  ------------- "There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing." River Rat to Mole |
Posted By: eric lavine
Date Posted: August-19-2006 at 10:08am
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gotta ski has a great point, earlier i made the point these transmissions are like women, if you take care of them they take care of you. from my stand point we see alot of daddy supplied boats (no pun) I should of not labeled them as junk, I have one in my 96 sport 176 and i have noooooo problems with it and that is because i know how to avoid the problems exactly like you guys. i guess what i mean't buy junk is that when they break they break, and with a borg you throw some clutches in and behold your skiing the next morning. with the pcm you dont get away with a set of clutches, open up the wallet and be prepared. ------------- "the things you own will start to own you" |
Posted By: eric lavine
Date Posted: August-19-2006 at 12:16pm
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I dread opening up boxes that come from ups, if the box is light i know whats in it, 6 or 7 summers or go i maybe seen 4 or 5 per summer(pcms) now its getting close to a 1:1 ratio with borg warners and the ratio of borgs to pcm's out there is probably 1 to 50 i dont know.... i guess its personal preference on the reason i dont like them, somebody out there tried to re-invent the wheel. pcm advertises its a lightweight tranny.....what does fat-sac advertise? i would think the extra weight would help, I think it was a matter of economics, wait till you run into a zf hurth hsw 450 d, its a cloned borg warner, out of the 2 clones guess which ones the sissy? ------------- "the things you own will start to own you" |
Posted By: GottaSki
Date Posted: August-19-2006 at 12:53pm
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good info
I would love to shed some more boat weight because I setup my boat to be a slalom machine; but after hearing this I'm glad I chose doing it with the engine and exhaust later, not the tranny. I considered the PCM when my clutches let go, but the 700 dollar premium to fresh clutches, seals and damper works out to twenty bucks per pound. At least spending for Aluminum on the engine, I will get HP too. eric, do you think a 71C with fresh bronze will hold a heated engine, for a decade or so between builds, about 40 hours a year. I'm considering a 351 set to spin 6000 rpm 360 hp or so; or a 392 that may max at 52-5400, 410 hp likely. Most use would be slalom speed (36). Extra power would be used sparingly. ------------- "There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing." River Rat to Mole |
Posted By: eric lavine
Date Posted: August-20-2006 at 10:11am
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because of the higher horsepower i would go with paper plates(ford fmx) or alto red eagle plates , I use the red eagles when you get into the 600 hp range,just another bit of info.... also out there are thinner steel plates with these steels you can increase the pack from 5 and 4 up to 7 and 6 which brings it up to 10-18 or 72c ratings. you can easily get 20 years out of these transmissions simply by changing the oil often,fill them to the top for winter storage, ------------- "the things you own will start to own you" |
Posted By: GottaSki
Date Posted: August-20-2006 at 1:13pm
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good info, thanks! ------------- "There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing." River Rat to Mole |