Is the HF clutch the same as the SI

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Old Oct 26, 2006 | 11:28 PM
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Default Is the HF clutch the same as the SI

Yes/No i know they are interchangeable but form the factory are they the same i need a new clutch and i am getting 2 different prices hf clutch 170 si clutch 200.
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Old Oct 26, 2006 | 11:37 PM
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Default Re: Is the HF clutch the same as the SI (SFlCrx)

Hmm i thought 89-91 dx, si, std, hf clutches were all the same. the only ones i thought were differnt are the 88 models. Bump for a answer
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Old Oct 27, 2006 | 07:48 AM
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Default Re: Is the HF clutch the same as the SI (Magick211)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Magick211 &raquo;</TD></TR><TR><TD CLASS="quote">Hmm i thought 89-91 dx, si, std, hf clutches were all the same. the only ones i thought were differnt are the 88 models. Bump for a answer</TD></TR></TABLE>

thats what i thought but when am i getting charged more for one ?
bump
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Old Oct 27, 2006 | 08:27 AM
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Default Re: Is the HF clutch the same as the SI (SFlCrx)

from my experience they are the same...its only the 88 models that require a different spline tranny shaft.
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Old Oct 27, 2006 | 08:33 AM
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<FONT COLOR="green">One of them may be bigger.</FONT>


Modified by driveahonda at 9:55 AM 10/27/2006
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Old Oct 27, 2006 | 08:43 AM
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Default Re: Is the HF clutch the same as the SI (SFlCrx)

I believe that the clutches are the same but there is one difference. The model of the vehicles, your paying because you have an SI either way. Its all in the name of the model of the car. If its an SI part I garauntee that it will be more expensive then the DX or STD part even if they are the same thing. It happens all the time.

TJ
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Old Oct 27, 2006 | 08:53 AM
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Default Re: Is the HF clutch the same as the SI (90Burgandykilla)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 90Burgandykilla &raquo;</TD></TR><TR><TD CLASS="quote">I believe that the clutches are the same but there is one difference. The model of the vehicles, your paying because you have an SI either way. Its all in the name of the model of the car. If its an SI part I garauntee that it will be more expensive then the DX or STD part even if they are the same thing. It happens all the time.

TJ</TD></TR></TABLE>

<FONT COLOR="green">No it doesn't. You are full of lies</FONT>
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Old Oct 27, 2006 | 08:54 AM
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Default Re: Is the HF clutch the same as the SI (90Burgandykilla)



1991 HF
83433 001 COVER, CLUTCH CASE NO COLOR 20.57 15.43 Qty: Buy
83439 003 FLYWHEEL NO COLOR 286.27 214.70 Qty: Buy
83440 003 FLYWHEEL NO COLOR 286.27 214.70 Qty: Buy
83450 004 DISK, FRICTION NO COLOR 92.95 69.71 Qty: Buy
83454 005 DISK, PRESSURE NO COLOR 125.63 94.22 Qty: Buy
18546 008 BOLT (12MM) NO COLOR 4.10 3.08 Qty: Buy
11399 010 BOLT, TWELVE POINT (8MM) NO COLOR 4.67 3.50 Qty: Buy
3572 012 BEARING, CLUTCH PILOT (TOYO) NO COLOR 18.20 13.65 Qty: Buy
11400 017 ROLLER (6X17.8) NO COLOR 0.37 0.28 Qty: Buy

1991 SI
83433 001 COVER, CLUTCH CASE NO COLOR 20.57 15.43 Qty: Buy
83441 003 FLYWHEEL NO COLOR 286.27 214.70 Qty: Buy
83450 004 DISK, FRICTION NO COLOR 92.95 69.71 Qty: Buy
83455 005 DISK, PRESSURE NO COLOR 125.63 94.22 Qty: Buy
18546 008 BOLT (12MM) NO COLOR 4.10 3.08 Qty: Buy
11399 010 BOLT, TWELVE POINT (8MM) NO COLOR 4.67 3.50 Qty: Buy
3572 012 BEARING, CLUTCH PILOT (TOYO) NO COLOR 18.20 13.65 Qty: Buy
11400 017 ROLLER (6X17.8) NO COLOR 0.37 0.28 Qty: Buy



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Old Oct 27, 2006 | 09:24 AM
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Default Re: Is the HF clutch the same as the SI (Loserkidwac)

I've heard the HF flywheel is a lighter version of the Si. True?
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Old Oct 27, 2006 | 10:44 AM
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Default Re: Is the HF clutch the same as the SI (fireant)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fireant &raquo;</TD></TR><TR><TD CLASS="quote">I've heard the HF flywheel is a lighter version of the Si. True?</TD></TR></TABLE>OEM HF flywheel weighs 15 lbs - all others weigh 18 lbs
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Old Oct 27, 2006 | 10:56 AM
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i think there is a difference of about 20mm in diameter but i could be mistaken
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Old Oct 27, 2006 | 11:43 AM
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Default Re: (unusual71)

i thought 90-91 were all the same and 89 88 were both different.
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Old Oct 27, 2006 | 12:34 PM
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Default Re: (janz3n)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by janz3n &raquo;</TD></TR><TR><TD CLASS="quote">i thought 90-91 were all the same and 89 88 were both different.</TD></TR></TABLE>

i thouhgt 90-91 was 212 mm flywheel
89 was 200
and 88 was 190 with a different # of splines on the tranny shaft
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Old Oct 27, 2006 | 12:35 PM
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Default Re: (Boosted Chemist)

i meant the 89 and 88 were different from each other aswell.
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Old Oct 27, 2006 | 11:20 PM
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wow everyone has different info. anyone know for sure
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Old Oct 28, 2006 | 12:37 AM
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FWIW

cx/vx flywheel is 15 lbs
others are 18 lbs

but that's for 5g/6g


88 trans uses the 84-87 style clutch (hence the different spline count on input shaft
89 trans uses same splines as 89-00, but smaller clutch diameter
90 trans = first year of the 90-00 standard

got an 88 trans that you need to put on a 90 engine/flywheel?
I believe you use a 89 prelude clutch
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Old Oct 28, 2006 | 11:16 AM
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Default Re: (Bense)

For an 88 tranny you use an 85-87 Prelude Si/86-89 Accord disc (21 spline, 212mm).
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Old Oct 28, 2006 | 11:22 AM
  #18  
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there ya go
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Old Oct 29, 2006 | 08:34 AM
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so instead of just getting a new clutch for my 88 crx get one for a 85-87 prelude si or 86-89 accord
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Old Oct 29, 2006 | 08:39 AM
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Default Re: (SFlCrx)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SFlCrx &raquo;</TD></TR><TR><TD CLASS="quote">so instead of just getting a new clutch for my 88 crx get one for a 85-87 prelude si or 86-89 accord</TD></TR></TABLE>

if your using a 90+ flywheel
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Old Oct 29, 2006 | 10:45 AM
  #21  
EFATE16
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All i know is if your changing clutches from factory dont put in another FACTORY clutch

both the HF and Si clutches for factory d16's ( not including the sir b16 model ) are ****.
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Old Oct 29, 2006 | 10:19 PM
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Contender25
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Well, my old clutch i took out today is TOAST, whats funny is i already had a extra flywheel, it IS bigger then my old clutch and flywheel of course.

I took my new clutch, lined it up with my old one, the new clutch is taller, and has a more wider area outwards for more contact surface, im excited because it fits on my transmission fine and im suppose to go get my flywheel, "the 90/91" i got, tommorow at a shop, hopefully see if they can lighten it a few pounds possible.
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