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> Using a 901 w/3.2-Any Problems?
ellisor3
post Aug 26 2010, 02:55 PM
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I am about to install my 3.2 engine and it is being paired with the 901. I was wondering if the 901 need to be regeared or use heavier gears for this application or is the standard gearing fine?

Any other things that should be considered?

It will be for street only.
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PRS914-6
post Aug 26 2010, 05:13 PM
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What you end up with is a 4 speed for that car. 1st will be so low it will be almost useless. In addition, if you stand on it in first, you will eventually break it so it won't get used much.

Gears and modifications are expensive and I would save your money and invest in a 915 if you want something re-geared and/or stronger.

I would rebuild and keep the 901 fresh and not invest a bunch of money for gears and improvements and if you blow it, throw another stock one in until you go to a 915 and then build the tranny with the gearing and modifications you want. It's VERY expensive to change gearing in either transmission but I don't see the practicality of investing in a 901 for big HP.

My 915 has a tall first, an "overdrive" for 5th and close between 1-4
53mph for 1st
81mph at 3000 rpm

It's expensive to do but it extracts maximum performance from your conversion.

There are plenty of people running 901's and plenty blow them up too but if you are willing to live with a mediocre setup, they are cheap to buy. Let your pocket book be your guide...... (IMG:style_emoticons/default/biggrin.gif)
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Posts in this topic
ellisor3   Using a 901 w/3.2-Any Problems?   Aug 26 2010, 02:55 PM
ArtechnikA   I am about to install my 3.2 engine and it is bei...   Aug 26 2010, 03:32 PM
MoveQik   I went from a 1.8 to a 3.2 and kept the same 901. ...   Aug 26 2010, 03:39 PM
ellisor3   I think it came from a standard 4. Sounds like fin...   Aug 26 2010, 03:57 PM
WaideS   I think it came from a standard 4. Sounds like fi...   Aug 26 2010, 04:38 PM
PRS914-6   What you end up with is a 4 speed for that car. 1...   Aug 26 2010, 05:13 PM
pcar916   I've been running a 3.6L since 1999 and it...   Aug 26 2010, 05:18 PM
9146986   It depends on the condition of the gearbox. A goo...   Aug 26 2010, 07:37 PM
Dr Evil   What Perry talks about is pretty much the extreme;...   Aug 26 2010, 08:23 PM
patssle   Good stuff. I will be putting a stock 3.0L into my...   Aug 26 2010, 08:41 PM
John   How you drive is the key to how long it will last....   Aug 26 2010, 08:58 PM
john rogers   No one has mentioned adding a trans lube and coole...   Aug 26 2010, 09:29 PM
pcar916   :agree: A cooler is essential as far as I'm ...   Aug 27 2010, 07:45 AM
ellisor3   :agree: A cooler is essential as far as I'm...   Aug 27 2010, 07:58 AM
pcar916   Where would you mount it? There is plenty of sp...   Aug 27 2010, 08:58 AM
JmuRiz   Great info on here, had no idea a 3.2 could be mat...   Aug 27 2010, 08:05 AM
PRS914-6   Lots of good info and suggestions here. I think i...   Aug 27 2010, 09:02 AM
pcar916   Unfortunately building a 915 and adding a WEVO i...   Aug 27 2010, 09:21 AM
brant   By the time Porsche released the 3.6 they had alr...   Aug 27 2010, 07:04 PM
ellisor3   Great Stuff Guys-thanks for your help.   Aug 27 2010, 09:26 AM
realred914   got a stock 901 in my 231 Cu in. (3.8 liter) Bui...   Aug 27 2010, 01:29 PM
john rogers   Here's a pict of the car car mounting. I went ...   Aug 27 2010, 02:31 PM
pcar916   Pretty :beer2:   Aug 27 2010, 04:31 PM
mepstein   I am about to install my 3.2 engine and it is bei...   Aug 27 2010, 04:41 PM
ellisor3   I am about to install my 3.2 engine and it is be...   Aug 27 2010, 07:55 PM
campbellcj   I am one of those guys who likes the relatively ...   Aug 28 2010, 10:51 AM


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