still working on my motors was wondering if I can use auto hose to make my cooling hoses for a closed cool motor or dose someone still make them. I think the alto hose is just two ply   Thanks guys Tom

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Maybe you already have it , but the super disc/ resource collection answers a ton of questions. I recently bought it and it is as advertised , a wealth of knowledge! It has a ton of info. on the mighty 427s. lol 

One better...you don’t even need the SuperDisc for this one. It’s in the library:

https://storage.ning.com/topology/rest/1.0/file/get/2057946027?prof...

Pretty cool. Dick Morland had a similar story on the Superdisc.  I welcome Tom's questions because he has the same model boat with the same engines. I am fortunate because my engines had more love from the previous owner.
 
Matt Cowles said:

One better...you don’t even need the SuperDisc for this one. It’s in the library:

https://api.ning.com/files/nc3n0lKyYXSnkcvoBaeJflXwRLv-eb4JRw96IGZg...

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Tom,

Generally speaking, using automobile parts on a boat is not best practice.

Measure what diameter you need, or better yet cut out a small piece from your system, go to West Marine and buy a 10' length of marine cooling system hose, and cut to fit. You'll probably have enough for two motors.

Jim, I’d normally 100% agree with you, but with the turns tubes make in a closed cooled 427, that write-up is about the only way to do it. Besides, I think the “no auto” rule applies more to electrical and fuel delivery items due to spark protection and drainage/overflow, no?

Certainly for electrical and fuel that would be true. Although truth be told, there is some non-marine wiring in my boat but not for anything critical.

I hadn't seen that writeup when I posted my note. For that application, it makes sense. An alternative might be straight hose with bronze elbows, but that might also impede flow and present more corrosion issues.

Are boat motors use 3 ply hose car hose is 2 ply. The west marine hose woul be good for the straight runs but the 90 turns would not. The hose on my 427s was original. They had blue paint on them

Hey Gang, Straight from SuperDisc, posted by me 19 years ago. BTW, this engine was a raw water cooled engine, and the hose ply construction was still doing fine when I sold the boat 10 years later, and have not heard of any hose problems from the new owner in the 9 years he has owned it, ===================

Just finished a valve job on Patty Wagon's port engine last weekend. As

part of this project, I replaced all the hoses on the top side of the

engine. As you know, we can't run down to our local Chris dealer to get

these, but have to cut the sections we need from prefabricated, preformed

automotive hoses. Chris essentially uses 1" & 1 1/4" diameter hoses on the

  1. I have a good friend at our local NAPA (although he threatened to

retire when he saw me walking in with both arms full of old moldy Chris

hoses). After a little research in his catalogs and some sampling, we came

up with the following NAPA part #'s:

(2 ft.) #602   1" radiator hose

(3 ft.) #602   1" radiator hose

(3 ft.) # 605  1 1/4" radiator hose

(1)  #8299  preformed radiator hose

(3)  #8108  preformed radiator hose

This mess will run close to $100, but compared to "Earl the Pearl" it's a

bargain. If you are wondering about the 2 chunks of #602 straight hose, you

can get the 2 pressure valve hoses above the transmissions out of the 3

foot chunk, & you need the 2 foot chunk for the other straight pieces of 1"

hose needed. The #8299 will give you the two 90 degree pieces of 1 1/4"

hose needed. The # 8108's will yield the three 90 degree 1" pieces needed.

There was a hose they had listed that you could have gotten 2 of the 1"

90's out of, but they did not have it in stock, nor did their warehouse

have it, so I suspect it's a pretty obsolete hose. For cutting these hoses

to the exact length / configuration you need, I found a VERY sharp pocket

knife with the blade dipped in dish soap worked quite well. Have fun & get

rid of those ugly 30 year old hoses !!

Regards,

Dick Morland

PS --Methinks NAPA might be a tad cheaper than West Marine :-)

Thanks!

Dick Morland said:

Hey Gang, Straight from SuperDisc, posted by me 19 years ago. BTW, this engine was a raw water cooled engine, and the hose ply construction was still doing fine when I sold the boat 10 years later, and have not heard of any hose problems from the new owner in the 9 years he has owned it, ===================

Just finished a valve job on Patty Wagon's port engine last weekend. As

part of this project, I replaced all the hoses on the top side of the

engine. As you know, we can't run down to our local Chris dealer to get

these, but have to cut the sections we need from prefabricated, preformed

automotive hoses. Chris essentially uses 1" & 1 1/4" diameter hoses on the

  1. I have a good friend at our local NAPA (although he threatened to

retire when he saw me walking in with both arms full of old moldy Chris

hoses). After a little research in his catalogs and some sampling, we came

up with the following NAPA part #'s:

(2 ft.) #602   1" radiator hose

(3 ft.) #602   1" radiator hose

(3 ft.) # 605  1 1/4" radiator hose

(1)  #8299  preformed radiator hose

(3)  #8108  preformed radiator hose

This mess will run close to $100, but compared to "Earl the Pearl" it's a

bargain. If you are wondering about the 2 chunks of #602 straight hose, you

can get the 2 pressure valve hoses above the transmissions out of the 3

foot chunk, & you need the 2 foot chunk for the other straight pieces of 1"

hose needed. The #8299 will give you the two 90 degree pieces of 1 1/4"

hose needed. The # 8108's will yield the three 90 degree 1" pieces needed.

There was a hose they had listed that you could have gotten 2 of the 1"

90's out of, but they did not have it in stock, nor did their warehouse

have it, so I suspect it's a pretty obsolete hose. For cutting these hoses

to the exact length / configuration you need, I found a VERY sharp pocket

knife with the blade dipped in dish soap worked quite well. Have fun & get

rid of those ugly 30 year old hoses !!

Regards,

Dick Morland

PS --Methinks NAPA might be a tad cheaper than West Marine :-)

Tom, I have used auto radiator hoses for my closed loop cooling for the past 25 years with no ill effects. The only place I would use caution is anything that is a suction hose as auto hoses do not normally come with the heavy multi ply or wire reinforcement that these hoses require. In those instances I would opt for marine grade hoses designed for that purpose. Just be careful to route your hoses so that you don't create bends that restrict flow.

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