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01-07-2009, 07:24 PM
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#21
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I, Vettezuki
Join Date: Feb 2006
Posts: 14,754
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Quote:
Originally Posted by 94cobra69ss396
That's good news.
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They should know, but I'm not sure I totally believe it. I guess we could proceed with the stock unit, knowing that it'll probably go boom sooner or later. I want us to use and enjoy this thing. 
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01-08-2009, 09:23 AM
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#22
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by Vettezuki
This is from a site that does nothing but sell conversion parts for RX-7s.
"...The RX-7's layout and structure is well suited to engine conversions. The rotary engine's eccentric shaft centerline is way up in the center of the rotary engine, dictating a much higher transmission location than that of a piston engine. The net result is that Mazda designed the RX-7 with a HUGE transmission tunnel, big enough to fit even the monster T-56 6 spd manual transmission which was used in the Viper and Corvette. The rotary engine's low torque output required Mazda to use a very heavy flywheel and a high rear gear ratio, a combination of factors that combined induce large amounts of stress on the RX-7's rear axles and hubs. Mazda planned accordingly, and designed plenty of strength into the RX-7's rear differential/axles/and hubs. Experience has shown that the stock NA RX-7 components are strong enough to withstand low 10sec 1/4mi passes, a feat that requires around 500hp. "
Well, that's interesting. . .
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Kinda surprising. Well, should we test that statement? 
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64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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01-08-2009, 11:28 AM
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#23
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I, Vettezuki
Join Date: Feb 2006
Posts: 14,754
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Quote:
Originally Posted by BRUTAL64
Kinda surprising. Well, should we test that statement? |
Obviously we have no idea what the internal condition of the diff is right now. We have three options.
1 - Stay with the stock unit til it go boom
2 - Replace with T II unit (if I can determine that it's up to the task)
3 - Replace with narrowed 8.8
For now we'll go with 1, research 2, and do basic planning for 3.
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01-08-2009, 11:47 AM
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#24
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by Vettezuki
Obviously we have no idea what the internal condition of the diff is right now. We have three options.
1 - Stay with the stock unit til it go boom
2 - Replace with T II unit (if I can determine that it's up to the task)
3 - Replace with narrowed 8.8
For now we'll go with 1, research 2, and do basic planning for 3.
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That is a GOOD plan. 
__________________
64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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01-08-2009, 11:52 AM
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#25
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Power's off.
Join Date: Dec 2008
Posts: 673
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Quote:
Originally Posted by Vettezuki
Obviously we have no idea what the internal condition of the diff is right now. We have three options.
1 - Stay with the stock unit til it go boom
For now we'll go with 1, research 2, and do basic planning for 3.
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Second or third pass. 
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Chrome don't get you home.
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01-08-2009, 11:57 AM
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#26
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Resident Avatar Gambler
Join Date: Nov 2006
Posts: 5,997
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Quote:
Originally Posted by big2bird
Second or third pass. |
LOL, I love your cynasism. I say we set the over/under at 3 passes. I'll take the over  |
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01-08-2009, 12:01 PM
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#27
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Graphics B*tch
Join Date: Dec 2006
Posts: 2,197
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I say we test that statement and when/if it blows up we can say for certain it can't handle it.
I will say over, but not by much.
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Adam
'13 Ford Fusion SE (2.0L EcoBoost)(Conor)
'03 Zinc Yellow Mach 1(Yazmine)
290HP / 305TQ
1/4 mile ET: 13.28 @ 101MPH (1.867 60')
'99 White F-150 (4.6L)(Bud Jr.)-gone but never forgotten
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01-08-2009, 12:04 PM
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#28
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Power's off.
Join Date: Dec 2008
Posts: 673
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Quote:
Originally Posted by SeanPlunk
LOL, I love your cynasism. I say we set the over/under at 3 passes. I'll take the over |
Under. (If I drive it first, 1 pass) 
Of course, without D/S and Axle Safety Hoops, I won't. 
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Chrome don't get you home.
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01-08-2009, 12:05 PM
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#29
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Power's off.
Join Date: Dec 2008
Posts: 673
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Quote:
Originally Posted by Leedom
I say we test that statement and when/if it blows up we can say for certain it can't handle it.
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Ever seen what 350 HP does to a 3 1/2" Vette Halfshaft? I have. Looks like a donut/twist. 
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01-08-2009, 12:05 PM
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#30
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by big2bird
Under. (If I drive it first, 1 pass)
Of course, without D/S and Axle Safety Hoops, I won't. |
Pussy!!! 
__________________
64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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