hf motor + si transmission a few questions...

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Old Jan 6, 2006 | 08:16 AM
  #1  
white90crxhf's Avatar
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From: Richmond, VA
Default hf motor + si transmission a few questions...

my hf transmissions bearings are going bad, i have a si transmission sitting in my mud room, i know the transmission will fit on the hf engine.

can i use my HF axles or will i need si ones? if i need si ones i imagine i need to swap the hubs also?

will the clutch on the HF fit onto the si transmission? how hard is it to swap clutches?

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Old Jan 6, 2006 | 08:25 AM
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shadycrx's Avatar
 
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From: Binghamton, NY, 13905
Default Re: hf motor + si transmission a few questions... (white90crxhf)

everything will fit BUT are either of the transmissions 88? 88 have different input shafts. your axles will fit , the inner joints are the same. i dont see why you would need to swap clutches id just leave the clutch there and bolt the new transmission right on unless you want to change it...
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Old Jan 6, 2006 | 08:39 AM
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e jay one's Avatar
 
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Default Re: hf motor + si transmission a few questions... (shadycrx)

the clutch is on the flywheel not the tranny. like he said 88 is different.
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Old Jan 6, 2006 | 08:54 AM
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white90crxhf's Avatar
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From: Richmond, VA
Default Re: hf motor + si transmission a few questions... (e jay one)

it's a 90 or 91 transmission, i forget. excuse my ignorance regarding clutch.

if the clutch does look bad, is it hard to change? doesnt look too bad in the manuals i've got but i'm still ignorant.

thanks for the answers
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Old Jan 6, 2006 | 09:10 AM
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splitime's Avatar
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Default Re: hf motor + si transmission a few questions... (white90crxhf)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by white90crxhf &raquo;</TD></TR><TR><TD CLASS="quote">it's a 90 or 91 transmission, i forget. excuse my ignorance regarding clutch.

if the clutch does look bad, is it hard to change? doesnt look too bad in the manuals i've got but i'm still ignorant.

thanks for the answers </TD></TR></TABLE>

If you get a clutchkit, a nice/decent one should come with new throwout/release bearing (easy, 2 spring clips) and an alignment tools. The bolts are 19ft/lbs and its simple to do a clutch.

Keep in mind that you might want to resurface the flywheel though. A clean flywheel will mate to the clutch faster/cleaner and provide a longer happier clutch life.

Once tranny is off... clutch = piece of cake.
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