Can't Wait for 949 Clutch Anymore
You'd end up with pretty much the power i make, plus a little, in a lighter chassis.
09-01-2015, 11:50 AM
#43
mkturbo.com
iTrader: (24)
Join Date: May 2006
Location: Charleston SC
Posts: 15,176
Total Cats: 1,680
Top tranny-engine. You can break them loose with a bent 17mm wrench, but zip everything else off with an impact. Dropping the PPF is super nice too. Remember, the non-shouldered rear bolt goes into both holes, and a strong hit with a sledge pops off the nuts up top, to allow the PPF to slide off the diff.
I really wish you hadn't gone with the un-sprung though. I don't necessarily think it's about breaking a transmission, as it is about wearing it out. Think whining bearings and worn teeth.
I really wish you hadn't gone with the un-sprung though. I don't necessarily think it's about breaking a transmission, as it is about wearing it out. Think whining bearings and worn teeth.
Reply
0
0
09-01-2015, 11:53 AM
#44
That's what i did in reverse when i put the PPF back on the trans. On my car doing the diff swap i put the diff under the car with the PPF already attached. Then just moved it all around until it worked. No reason to drop the whole PPF for this job that i can see. I'd also rather not mess with the rear bolts/nuts under the car. They were un-fun enough outside of the car.
Reply
0
0
09-01-2015, 11:56 AM
#45
SADFab Destructive Testing Engineer
iTrader: (5)
Join Date: Apr 2014
Location: Beaverton, USA
Posts: 18,642
Total Cats: 1,866
<p>What lars said. Just push it to the side.</p><p>I thought it was going to be way harder than it was.</p><p>I dropped and lifted the trans by myself, just needed a helper to spin the driveshaft plug to get the input shaft to line up while I humped the bitch in there.</p><p>I'll take video next time.</p>
Reply
0
0
09-01-2015, 02:19 PM
#47
SADFab Destructive Testing Engineer
iTrader: (5)
Join Date: Apr 2014
Location: Beaverton, USA
Posts: 18,642
Total Cats: 1,866
<p></p><p>Yes, the happy meal is 1.8 only.</p><p>Probably not stiff enough. He likes it rock hard....</p><p> </p><p> </p><p> </p><p> </p><p>....in the butt</p>
Reply
0
0
09-01-2015, 02:22 PM
#48
I very specifically said in the first post that i am not interested in 1.8 stuff.
I like the feel of the FM2. It's stiff and has a very positive engagement. Both FM1s i've had feel like i'm sticking my foot into a 5 gallon bucket of spaghetti. With about the same feedback, and the same engagement point travel from the "rim" of the bucket to the "floor" of the bucket.
Moot point, as neither are available in 1.6 flavor.
Reply
0
0
09-01-2015, 03:47 PM
#49
Cpt. Slow
iTrader: (25)
Join Date: Oct 2005
Location: Oregon City, OR
Posts: 14,175
Total Cats: 1,129
On a lift, it's just as easy to use the impact to remove the rear 17mm bolts when you do the front, then pry the 30-50 battery cable clips off, and remove the PPF completely. One more thing out of your way, and adds maybe 5 minutes.
Reply
0
0
</p>
09-04-2015, 10:39 AM
#53
Senior Member
iTrader: (1)
Join Date: Jul 2014
Location: Silver Spring, MD
Posts: 659
Total Cats: -16
I very specifically said in the first post that i am not interested in 1.8 stuff.
I like the feel of the FM2. It's stiff and has a very positive engagement. Both FM1s i've had feel like i'm sticking my foot into a 5 gallon bucket of spaghetti. With about the same feedback, and the same engagement point travel from the "rim" of the bucket to the "floor" of the bucket.
Moot point, as neither are available in 1.6 flavor.
I like the feel of the FM2. It's stiff and has a very positive engagement. Both FM1s i've had feel like i'm sticking my foot into a 5 gallon bucket of spaghetti. With about the same feedback, and the same engagement point travel from the "rim" of the bucket to the "floor" of the bucket.
Moot point, as neither are available in 1.6 flavor.
Originally Posted by Flyin' Miata
The Happy Meal will fit any 1990-05 Miata, including 1.6 engined cars.
Reply
0
0
09-04-2015, 12:17 PM
#58
Moderator
iTrader: (12)
Join Date: Nov 2008
Location: Tampa, Florida
Posts: 20,645
Total Cats: 3,009
Can't Wait for 949 Clutch Anymore
No. It can increase the momentary stresses on the transmission gear teeth. The crankshaft rotation speed is always trying to change, even if you are traveling at a steady speed. Power comes in pulses that are evened out and steadied by the rotating mass. Speed up, slow down, speed up, etc. The crank twists and flexes between the throws every time a pulse acts upon it, too. Reduction in flywheel mass increases the variation in speed of rotation instead of storing some of the pulse energy to then release it between pulses to reduce the slowing effect. Additionally, you selected an unsprung clutch, which also will not offer any impulse absorption or release. The only place to absorb the variations in impulse energy is within the gear lash tolerances of the transmission and differential, and with whatever twisting and flexing occurs in the shafts and driveline. It isn't a really big deal with components that can handle the forces but our transmissions have proven to be marginal when pushed. Some say the stock oil pump failures are related to the lack of smoothness in our engines, exacerbated by increasing the severity of the pulses by increasing the power or by reducing the rotating mass.
Reply
0
0
