CaseyJ955 Posted June 11, 2017 #51 Posted June 11, 2017 snyper316 said: Soo basically just like timing belts.. But imagine built better. Think my 74 mustang that was supposed to be replaced in wanting to say every 50,000 miles I could be off... Sent from my LG-K371 using Tapatalk Just like that, usually timing belts of today are recommended replacement intervals of ~90k give or take. On your old Mustang, probably a 2.3L. one of the easiest timing belts to replace and if it breaks there is no damage. Not like anymore, timing belt breaks, valves hit pistons and you can play with the hot oily peices. So stretching that 90k replacement interval is really a very bad idea for timing belts, just as with drive belts.
snyper316 Posted June 11, 2017 #52 Posted June 11, 2017 CaseyJ955 said: Just like that, usually timing belts of today are recommended replacement intervals of ~90k give or take. On your old Mustang, probably a 2.3L. one of the easiest timing belts to replace and if it breaks there is no damage. Not like anymore, timing belt breaks, valves hit pistons and you can play with the hot oily peices. So stretching that 90k replacement interval is really a very bad idea for timing belts, just as with drive belts. Yeah I knew a guy his timing belt snapped and messed up his hole motor somehow. My belt was right there I believe I only had to move one thing to replace it. Yup a 4 banger 4 speed loved that car... Was headed to work one day and all the sudden lost power. Sent from my LG-K371 using Tapatalk
SilvrT Posted June 11, 2017 Author #53 Posted June 11, 2017 snyper316 said: lit Tinker up and she shot up to 90 out of nowhere and when I was behind that guy we were doing 25-30. I only have one question can that be done with a belt drive? snyper316 said: So the belt wont slip like a SOG? I like to goose it as hard as I can, I figured I would be smelling at least alot of burnt threads and rubber... Go to youtube and search for Victory or Harley burnouts and drag racing. here's a few ... I love this one.... Point being ... you will find tons of vids of burnouts and drag racing of bikes with belt drives. If those belts can stand up to that, then one should feel pretty confident they'll handle anything we "touring folk" can throw at them (besides rocks and sticks, etc LOL)
snyper316 Posted June 11, 2017 #54 Posted June 11, 2017 Now that would take some practice.... Love the drifts. Sent from my LG-K371 using Tapatalk
SilvrT Posted June 11, 2017 Author #55 Posted June 11, 2017 snyper316 said: Now that would take some practice.... Love the drifts. I was the guy on the red bike ... Edit: (in my dreams LOL)
BlueSky Posted June 11, 2017 #56 Posted June 11, 2017 From what I understand, Nascar engines use rubber timing belts. I don't have any problem with the use of rubber belts. It's the air cooled V twin that I don't like. Slightly refined 100 year old technology. My wife had a 4 cyl Mitsubishi Outlander for 8 1/2 years. The maintenance schedule was to change the rubber timing belt every 4 years or 60k miles as I remember. If you don't and it breaks, the valves stop moving and the pistons hit the valves destroying the engine. Mitsubishis were notorious for belts breaking. The trend now seems to be cam chains instead of belts because Americans don't change the belts on schedule and it gives the car a bad rep. Chains with a built in tensioner tend to last the life of the engine.
SilvrT Posted June 11, 2017 Author #57 Posted June 11, 2017 BlueSky said: Slightly refined 100 year old technology. and how long have liquid cooled engines been around? (generally speaking)
WildBill1 Posted June 11, 2017 #58 Posted June 11, 2017 (edited) cowpuc said: INDEED!! Actually I was just curious if your scoot was the stock 96 or if it had been massaged some.. Have tinkered with the 96 some and gotta say,, little cam improvement here, little race tuner there and that motor really comes alive!! Yep,, you betcha Snype! Matter of fact,, next time your near a Harley shop - stop in and see if they happen to have one of their little Performance Catalogs they could give ya.. Its not a real big book but PACKED with all kinds of really neat info about that "stage kits", cam selections and the like.. The even neater thing about that little book is it gives specs on cam grinds and dyno test results.. Couple years ago a buddy and I took his brand new 103 inch Ultra Limited, got the parts and went to playing.. Selected just the right cam grind, had the heads opened up a little, pipe, breather, tuner,,,, ended up 106 hp and 103 foot pounds torque and the flatest dyno curve ya ever did see = beautiful!! Bike runs REAL strong BUT - it was only 74 horse when we started - gotta massage em to make en run like your talking on your Yam - definitely about motor, not so much about the belt drive.. Those new kevlar belts are amazingly strong! Yes, Puc the HD Screaming Eagle cat. Does all the homework for you cam wise. I also use the S&S cat. Too but they are hard to find anymore. I like the S&S lifters and quickie adjustable pushrods better than what Harley has. I think the easystart cams S&S has is much better than compression releases. I could go on and on but this is a Yamaha forum. Harley is a canvas too work with it's up to you to make a masterpiece. Edited June 11, 2017 by WildBill1
BlueSky Posted June 11, 2017 #59 Posted June 11, 2017 SilvrT said: and how long have liquid cooled engines been around? (generally speaking) Wow! You want to argue that point. Let's see, one is a pushrod actuated 2 valve per cylinder air cooled low rpm engine versus a double overhead cam 4 valve per cylinder water cooled high rpm engine. Hmmmm Hey, the majority of riders in the country are riding air cooled V twins an if that is what they like I'm happy for them. The next thing you know the Goldwing will have an air cooled V twin!
SilvrT Posted June 12, 2017 Author #60 Posted June 12, 2017 BlueSky said: Wow! You want to argue that point. Let's see, one is a pushrod actuated 2 valve per cylinder air cooled low rpm engine versus a double overhead cam 4 valve per cylinder water cooled high rpm engine. Hmmmm Hey, the majority of riders in the country are riding air cooled V twins an if that is what they like I'm happy for them. The next thing you know the Goldwing will have an air cooled V twin! I was referring to air cooled versus liquid cooled engines in general, not necessarilly motorcycle engines. Point being, you refer to air cooled as "slightly refined 100 year old technology" .... yet I'd suggest liquid cooled has been around as long or longer. Having said that, and in reference to motorcycles, if air cooled has been around "for 100 years" (yes, I realize that could be an eggzageration) ... then obviously it is a tried and true technology ....
WildBill1 Posted June 12, 2017 #61 Posted June 12, 2017 Honda has had several versions of V twins that flat water cooled 6 started as a flat 4 racing engine for Honda. If you want a smooth riding almost trouble free bike buy a Goldwing.
BlueSky Posted June 12, 2017 #62 Posted June 12, 2017 SilvrT said: I was referring to air cooled versus liquid cooled engines in general, not necessarilly motorcycle engines. Point being, you refer to air cooled as "slightly refined 100 year old technology" .... yet I'd suggest liquid cooled has been around as long or longer. Having said that, and in reference to motorcycles, if air cooled has been around "for 100 years" (yes, I realize that could be an eggzageration) ... then obviously it is a tried and true technology .... I guess you missed the thread on the Van Buren sisters who rode Indian motorcycles across the USA in 1916. So air cooled v twins must have been around more than 100 years. https://en.wikipedia.org/wiki/Van_Buren_sisters
Yammer Dan Posted June 12, 2017 #63 Posted June 12, 2017 cowpuc said: Stock 96 inch Bill? Might have to have a talk with "Brown Sugar".......
SilvrT Posted June 12, 2017 Author #64 Posted June 12, 2017 BlueSky said: I guess you missed the thread on the Van Buren sisters who rode Indian motorcycles across the USA in 1916. So air cooled v twins must have been around more than 100 years. https://en.wikipedia.org/wiki/Van_Buren_sisters I doubt I missed it but some things simply escape my memory these days .... like, is this thread about air cooled vs liquid cooled or was it something else.....
BlueSky Posted June 12, 2017 #65 Posted June 12, 2017 SilvrT said: I doubt I missed it but some things simply escape my memory these days .... like, is this thread about air cooled vs liquid cooled or was it something else..... Go back and read post #59
Yammer Dan Posted June 13, 2017 #66 Posted June 13, 2017 :think: I ain't got a clue just going with the flow....
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