Flywheel Dimension 1.8 Chromoly
01-19-2016, 12:34 PM
#1
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Flywheel Dimension 1.8 Chromoly
Wondering if anyone has a lightweight chromoly flywheel kicking around, such as the XTD for example?
I'm looking for one dimension... thickness from crankshaft flange (crankshaft side) to friction surface.
If your straight edge is too long to sit on the friction surface, crankshaft flange to pressure plate step face will also work, since the step is a known dimension.
If anyone's unsure what i mean let me know & i'll sketch out a nice cutaway view in MS paint.
Thanks in advance!
I'm looking for one dimension... thickness from crankshaft flange (crankshaft side) to friction surface.
If your straight edge is too long to sit on the friction surface, crankshaft flange to pressure plate step face will also work, since the step is a known dimension.
If anyone's unsure what i mean let me know & i'll sketch out a nice cutaway view in MS paint.
Thanks in advance!
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01-21-2016, 01:17 PM
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Do you need the red line or green line measured? How accurate do you do need. I have a 1.8 light weight flywheel in my garage, but I have no clue of the brand or what it is made out of. I could possibly get some measurements tonight, but most likely would be tomorrow.
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01-21-2016, 03:39 PM
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Thanks for the replies guys! What i am trying to work out is if there is any difference between a lightweight steel miata flywheel and a stock FWD BP flywheel in this dimension. I am trying to reduce my clutch stack height by a few mm for various toyota transmission swap reasons.
aidandj - Unfortunately the 1.6 flywheel is different and will have different dimensions.
shuiend - Either the red or green line would work. The difference between them is the flywheel step, which is a known dimension (20.0mm). As far as accuracy, +/- 1mm or better would be ideal, if possible.
aidandj - Unfortunately the 1.6 flywheel is different and will have different dimensions.
shuiend - Either the red or green line would work. The difference between them is the flywheel step, which is a known dimension (20.0mm). As far as accuracy, +/- 1mm or better would be ideal, if possible.
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01-21-2016, 03:40 PM
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Thanks for the replies guys! What i am trying to work out is if there is any difference between a lightweight steel miata flywheel and a stock FWD BP flywheel in this dimension. I am trying to reduce my clutch stack height by a few mm for various toyota transmission swap reasons.
sean - Unfortunately the 1.6 flywheel is different and will have different dimensions.
shuiend - Either the red or green line would work. The difference between them is the flywheel step, which is a known dimension (20.0mm). As far as accuracy, +/- 1mm or better would be ideal, if possible.
sean - Unfortunately the 1.6 flywheel is different and will have different dimensions.
shuiend - Either the red or green line would work. The difference between them is the flywheel step, which is a known dimension (20.0mm). As far as accuracy, +/- 1mm or better would be ideal, if possible.
info on trans swap?
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01-21-2016, 10:26 PM
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Yes it's FWD for now but there's an AWD trans sitting in my garage 
. A few years ago when i did the conversion I had to clearance the bellhousing of the FWD trans to clear my clutch. I'd rather not have to do the same to the AWD trans.
The transmission i'm using is a Toyota E-Series, used in basically anything 3SGTE powered, plus some of their heavier V6 cars like the Camry and Solara 3.0 v6. The trans in the car now is from a 00 Camry, the trans in my garage is from an ST205 Celica GT4.
Sean, that's perfect, if you don't mind measuring it, I'd greatly appreciate it!
Edit: I hadn't thought about this before but... if there is a beefy RWD toyota transmission out there which bolts up to Toyota S-Series motors (3S, 5S, etc.), I will very shortly be selling BP adapter plates...
. A few years ago when i did the conversion I had to clearance the bellhousing of the FWD trans to clear my clutch. I'd rather not have to do the same to the AWD trans.The transmission i'm using is a Toyota E-Series, used in basically anything 3SGTE powered, plus some of their heavier V6 cars like the Camry and Solara 3.0 v6. The trans in the car now is from a 00 Camry, the trans in my garage is from an ST205 Celica GT4.
Sean, that's perfect, if you don't mind measuring it, I'd greatly appreciate it!
Edit: I hadn't thought about this before but... if there is a beefy RWD toyota transmission out there which bolts up to Toyota S-Series motors (3S, 5S, etc.), I will very shortly be selling BP adapter plates...
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02-02-2016, 11:38 AM
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6 speed gear ratios:
1st 3.760
2nd 2.269
3rd 1.645
4th 1.257
5th 1.000
6th .843
W58 as found in Supra's and such....
First Gear: 3.285:1
Second Gear: 1.894:1
Third Gear: 1.275:1
Fourth Gear: 1.00:1
Fifth Gear: 0.783:1
A W58 would reduce the need for a 3.6 that many have in order to make 1st gear actually useful, its less aggressive overall. The splits between gears are pretty durn similar between it and a 6 speed though, which is the important thing?
Really neato; the NT Supra transmissions use a steel sandwich plate vs an alloy one and I guess this is a big deal. I bet the alloy one would be fine even for psycho-spec NAs and NBs. And the alloy plate ones are far cheaper according to the magic of wiki.
1st 3.760
2nd 2.269
3rd 1.645
4th 1.257
5th 1.000
6th .843
W58 as found in Supra's and such....
First Gear: 3.285:1
Second Gear: 1.894:1
Third Gear: 1.275:1
Fourth Gear: 1.00:1
Fifth Gear: 0.783:1
A W58 would reduce the need for a 3.6 that many have in order to make 1st gear actually useful, its less aggressive overall. The splits between gears are pretty durn similar between it and a 6 speed though, which is the important thing?
Really neato; the NT Supra transmissions use a steel sandwich plate vs an alloy one and I guess this is a big deal. I bet the alloy one would be fine even for psycho-spec NAs and NBs. And the alloy plate ones are far cheaper according to the magic of wiki.
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02-02-2016, 02:50 PM
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I have a fidanza flywheel I can measure tonight.
Concerning RWD trans adaptability, I'm unsure about the S series, but the 3VZ-FE is rumored to bolt to an R series trans, which is quite beefy indeed.
It's found in about every toyota/ jeep/ dodge truck or RWD car from the late 80s and 90s.
I have a bunch of W56/58s and a few R series laying around if you need some measurements.
Concerning RWD trans adaptability, I'm unsure about the S series, but the 3VZ-FE is rumored to bolt to an R series trans, which is quite beefy indeed.
It's found in about every toyota/ jeep/ dodge truck or RWD car from the late 80s and 90s.
I have a bunch of W56/58s and a few R series laying around if you need some measurements.
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02-02-2016, 05:22 PM
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Thanks guys. Oh yeah, I was actually looking into the whole RWD toyota transmission thing the other day, forgot to post about that....
Monk, if any of those W's or R's that you have lying around have a 3VZ bellhousing on them, and you're feeling kind enough to pull it off and loan it to me, I'd be happy to physically match it up against one of my adapter plates and see how well it might work.
The 3VZ should have (mostly) the same bolt pattern as the 1MZ and 3S. (My adapter plates work with the 1MZ and 3S 2WD/AWD e-series transmissions). The rotation of the engine in relation to the trans is what I'm unsure about as far as these plates working in a miata.
Monk, if any of those W's or R's that you have lying around have a 3VZ bellhousing on them, and you're feeling kind enough to pull it off and loan it to me, I'd be happy to physically match it up against one of my adapter plates and see how well it might work.
The 3VZ should have (mostly) the same bolt pattern as the 1MZ and 3S. (My adapter plates work with the 1MZ and 3S 2WD/AWD e-series transmissions). The rotation of the engine in relation to the trans is what I'm unsure about as far as these plates working in a miata.
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