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Old 03-16-2013, 03:39 PM   #2371
joexr
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Quote:
Originally Posted by kraven View Post
Ford has been using an OHC v8 since 91'.

I guess you're right, since GM and Chrysler's stuff is pushrod.

Most don't count Toyota, I guess.
Toyota has to use an antiquated push rod motor for NASCAR , that they dont use for anything else.
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Old 03-16-2013, 04:14 PM   #2372
k-moe
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Originally Posted by joexr View Post
Toyota has to use an antiquated push rod motor for NASCAR , that they dont use for anything else.
Same as Ford has to. NASCAR is antiquated, but it's still fun to watch. It'd be better if they'd go back to racing actual stock cars and running 'shine on the non-race days
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Old 03-16-2013, 04:38 PM   #2373
Mr. Canoehead
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Quote:
Originally Posted by JSharp View Post
I'm surprised anyone is holding the Motus engine up as some kind of technological marvel. I admit the amount of engineering it took to produce it ( if they ever do ) is impressive. But what they built is a 2 valve pushrod water cooled V4.

This is 2013 not 1960, and I don't see the pushrod Chevy inspiration as anything to brag about.
Go back a few pages. I posted a comparison between the Corvette V8 and an AMG V8. The GM V8 comes out looking pretty good, particularly on a performance to cost basis where it really kicks the AMG's butt.





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Old 03-16-2013, 04:50 PM   #2374
pmelby
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Quote:
Originally Posted by JSharp View Post
I'm surprised anyone is holding the Motus engine up as some kind of technological marvel. I admit the amount of engineering it took to produce it ( if they ever do ) is impressive. But what they built is a 2 valve pushrod water cooled V4.

This is 2013 not 1960, and I don't see the pushrod Chevy inspiration as anything to brag about.
One very good reason for using the push-rod type valve articulation is for the lower overall height of the motor. No need for shim-under-bucket-under-cam, height stack up.

With 1600cc of motor, why should there be any requirement for overhead cams? If they can make the motor breathe sufficiently with 2 valves, push-rod actuation, what is the problem?

cheers,
melby
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Old 03-16-2013, 05:49 PM   #2375
baloneyskin daddy
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I think to most people on here the problem is the cost. Why does it have to cost so much?They keep fuggin around and the Japs will build the damn thing and sell it for half as much.
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Old 03-16-2013, 07:30 PM   #2376
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Originally Posted by baloneyskin daddy View Post
I think to most people on here the problem is the cost. Why does it have to cost so much?They keep fuggin around and the Japs will build the damn thing and sell it for half as much.
They already did, back in 1990.


Funny how that works.
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Old 03-16-2013, 07:54 PM   #2377
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Strip a little bodywork off that ,upgrade the suspenders,give it a little pep talk and most people would'nt know the difference.
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Old 03-16-2013, 08:39 PM   #2378
madeouttaglass
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Originally Posted by kraven View Post
They already did, back in 1990.


Funny how that works.
Bazinga.
I was thinking the same thing a while ago. (I had an ST just like that and upgraded to an FJR a few years ago.) I check in on this thread every few weeks to see if this bike actually has made any progress. Sadly I never see anything new reported. I hope it works but don't see it happening. I'm outta here for a few more weeks/months/years.
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Old 03-16-2013, 10:35 PM   #2379
RedRocket
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Quote:
Originally Posted by JSharp View Post
I'm surprised anyone is holding the Motus engine up as some kind of technological marvel. I admit the amount of engineering it took to produce it ( if they ever do ) is impressive. But what they built is a 2 valve pushrod water cooled V4.

This is 2013 not 1960, and I don't see the pushrod Chevy inspiration as anything to brag about.
You're missing the maintenance aspect, but more importantly the engine's specific output which is strong.
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Old 03-16-2013, 10:43 PM   #2380
kirb
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Quote:
Originally Posted by kraven View Post
They already did, back in 1990.


Funny how that works.
Not really....the ST is a nice bike, well built. I used to have one. Power not even close, power/weight ratio is worse. Motus has better bits as well.

Anyone looking at a 1990 st vs. Motus should pick the st....they wouldn't get it anyway.
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Old 03-17-2013, 05:54 AM   #2381
kraven
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Originally Posted by kirb View Post
Not really....the ST is a nice bike, well built. I used to have one. Power not even close, power/weight ratio is worse. Motus has better bits as well.

Anyone looking at a 1990 st vs. Motus should pick the st....they wouldn't get it anyway.
That's the joke. Come on, bro.
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Old 03-17-2013, 07:12 AM   #2382
baloneyskin daddy
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At least theres a chance in hell that you'll get the ST.
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Old 03-17-2013, 09:41 AM   #2383
stevie88
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Originally Posted by RedRocket View Post
You're missing the maintenance aspect, but more importantly the engine's specific output which is strong.
Do we really know what the Motus engines specific output really is? After all, no independent evaluation has been done of the prototypes or the new engines, correct?
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Old 03-17-2013, 11:43 PM   #2384
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Originally Posted by stevie88 View Post
Do we really know what the Motus engines specific output really is? After all, no independent evaluation has been done of the prototypes or the new engines, correct?

Nope

All we no is that they tossed the direct injection. I can't even find a published dyno.
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Old 03-18-2013, 12:47 AM   #2385
RedRocket
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Nope

All we no is that they tossed the direct injection. I can't even find a published dyno.
It's a conspiracy I tell ya!
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