Bob:
Thanks for the input! Definitely not hitting the 6k revs, although I'd like
to be able to :) 5300 max for me with current engine. Looks like I will be
pulling the extension , installing my new Spal super slim electric puller
fan, and installing Rick Patten's extension eliminator kit.
Jim Henningsen
----- Original Message -----
From: "Robert Lang" <lang@isis.mit.edu>
To: "James Henningsen" <trguy@cfl.rr.com>
Cc: <6pack@autox.team.net>
Sent: Tuesday, January 06, 2009 7:00 PM
Subject: Re: [6pack] Engine Front Damper Question
> On Tue, 6 Jan 2009, James Henningsen wrote:
>
>> Team:
>>
>> There is a kit that allows you to remove the front hub (fan connects to
>> it)
>> that connects to the harmonic dampener if using an electric fan. The kit
>> includes a new bolt and small round "whosey watchit" to attach to the
>> harmonic
>> dampener. Is the front hub needed for additional dampening or is it ok to
>> remove and install this kit? I had heard that the extra hub was needed
>> to
>> help dampen the crank. My engine is tweaked but I never balanced the
>> crank.
>
> You don't need the weight of the fan extension. In fact, that weight is
> not damped, it's connected to the crank (as opposed to the actual
> dampening which is done by the outer ring of the stock dampener.
>
> The power increase the the other Bob refers to is really realized loss of
> parasitic drag from the mechanical fan (which can be as much as 8 HP - BIG
> GAINS FOR LITTLE OR NO $$$).
>
> About the only possible issue with the crank extension eliminator is
> something that you might see if you turn your motor to big revs (like
> above 6000). I've seen the issue and can discuss off list. Interestingly,
> if you turn your motor to 6k+, you should be looking at a higher
> performance aftermarket dampener anyway (unless you're cheap, like me).
>
> :-)
>
>> Thanks in advance,
>> Jim Henningsen
>> Maitland, FL
>> 75 TR6 CF35914U
>
> regards,
> rml
> ---------------------------------------------------------------------------
> Bob Lang NER/SCCA | This space for rent
> Solo Chair 2008 TR6 40 F Prepared | Triumph!
> Voice:781-438-2568 FAX: 617-258-9535 | Cell: 339-927-4489
> ---------------------------------------------------------------------------
_______________________________________________
Support Team.Net http://www.team.net/donate.html
6pack@autox.team.net
http://autox.team.net/mailman/listinfo/6pack
http://www.team.net/archive
|