Date: Tue, 10 Feb 2004 10:25:45 -0800
Reply-To: Kirk van Druten <kirk@LANSHARKS.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Kirk van Druten <kirk@LANSHARKS.NET>
Subject: Re: 2.4l Rebuilds
In-Reply-To: <003801c3efed$5b8905a0$6400a8c0@pacbell.net>
Content-type: text/plain; charset="US-ASCII"
Hi Al,
Thanks for the informative comments.
Any comments on or solutions for the rumors of clutch chatter with the
Subaru motors in Vanagons? Is this an issue of motor mounts or something
else with the adapter kits?
Thanks again,
Kirk out
Kirk van Druten ------------> kirk@lansharks.net
LANsharks Consulting -----> http://www.lansharks.net
510-601-5475 -------------> 510-601-5130 fax
> From: Al Knoll <al_knoll@PACBELL.NET>
> Reply-To: Al Knoll <al_knoll@PACBELL.NET>
> Date: Tue, 10 Feb 2004 07:48:41 -0800
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: 2.4l Rebuilds
>
>> Date: Mon, 9 Feb 2004 20:57:23 -0800
>> From: Kirk van Druten <kirk@LANSHARKS.NET>
>> Subject: 2.4L Rebuilds?
>>
>> Hello All,
>>
>> I was chatting with a local VW van repair place today (BusLab,
>> Berkeley, CA)
>> and they mentioned that someone in Los Osos is producing rebuilt motors in
>> several sizes: 2.1L, 2.2L, 2.3L and 2.4L...yada..
>
> The folks in question are gowesty.com. The 2.4 must use premium fuel. It
> is a CUSTOM motor with all that that may entail.
>
> If you choose the subaru 2.2 or 2.5 you will get a modern OBD motor with
> modern FI and Engine management. The fingerpointing issue is nebulous.
> Find a mechanic, not a 'technician'. Buslab would more than likely be happy
> to learn of the evolution and work on your bus should motor issues arise.
> There is a wealth of support on the subaruvanagon group and it is increasing
> by the day. I can recommend Seth Hatfield at H&R Motors in Santa Barbara as
> a fine conversion vendor. 1.805.965.6757. Give him a call. There are
> other vendors of lesser quality out there too, I recommend H&R.
>
> I can see no reason other than deutche-pride to continue to monkey with the
> 2.1 based motor system. It has design flaws that are not overcome by adding
> 300cc. I can provide torque curves comparing the subaru and vw stock
> motors.
>
> The subaru in my 180K syncro has a 'flat' torque curve yielding more torque
> from 1500 to 6000 rpm than the peak torque of the 2.1. Remember horsepower
> is essentially a derivative of torque at a particular rpm. The "thrust" is
> the force that moves your brick. It is the child of torque multiplied by
> the gearing and tire size parameters.
>
> Cuddle up to your favorite physics-person and have them do the math for you
> to give you a thrust vs gear vs rpm curve set. Knowing how much your bus
> weighs ready to rock (~5000lbs) I'd guess you can figure out how much thrust
> it will take to climb a 4% grade at 60MPH. Run that number backwards
> through the fine stuff the fizzixdude did and you will know how much engine
> shaft torque is required to do the deed. Then make your call on which
> powerplant will do what you want.
>
> "Its just fizzix, its always just fizzix" -- R. Feynmann
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