datsun-roadsters
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Re: [Roadsters] Low compression

To: RWM <RWM@rwmann.com>
Subject: Re: [Roadsters] Low compression
From: Dave Cooke <cookefam314@gmail.com>
Date: Wed, 22 Sep 2010 08:13:39 -0500
I used a full quart of ATF, it smoked heavily for about 20-30 minutes at
2000RPM in my garage, then I took it for an aggressive 10 minute drive.
Still had some residual smoke on the drive, but I think it was mostly gone
by the time I returned. I checked the compression on cylinder #2 when I got
back & it's still only at 60psi. So, I guess I'll have to start on the
valves...

Regarding the 7 blade fan, both my roadsters have them, no fan clutch
though. I know they're noisier than the 4 blade model, but they do keep the
engine cool.

-Dave

On Tue, Sep 21, 2010 at 2:35 PM, RWM <RWM@rwmann.com> wrote:

> As far back as 1975, I don't think I've ever seen a Roadster fan clutch
> that worked.
>
> Replaced my 7-bladed fan with an electric a few years back.  No more
> takeoff thrust above 3000 RPM....
>
> - Bob Mann, '68 2000 Solex
>
>
>
> Kemp LaMunyon Sr. wrote:
>
>> Hey dave,
>>  I noticed you have a 7 blade fan on your car. Does it still have the fan
>> cluch or has it been change out?
>> I read something about those being recalled because the clutch had a
>> defective
>> design.
>>
>> http://www.311s.org/pmwiki-311/pmwiki.php?n=TechSection.ClutchFan
>>
>>
>> Thanks
>> Kemp
>>
>>
>>
>>> From: cookefam314@gmail.com
>>> Date: Tue, 21 Sep 2010 10:56:41 -0500
>>> To: datsun-roadsters@autox.team.net
>>> Subject: [Roadsters] Low compression
>>>
>>> After a low compression reading in cylinder 2 of 60psi, I tried the
>>> Seafoam
>>> solution with no change. So today I tried the ATF solution, Wow! Now
>>> that's
>>> some smoke! http://gallery.me.com/cookefam314/100178/ATF%20smoke.
>>>
>>> Dave Cooke
>>> Going out for an aggressive drive now, will report back
>>>
>>
>


-- 
Dave Cooke
Roadster owner since '83
Lake in the Hills, IL
Chicagoland Chapter of the Dairyland Datsuns
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