[T2] [VB] Hot engine
cdreike at gmail.com
Thu Sep 26 22:14:34 PDT 2019
I too have a porsche pulley and the 3.88 r&p and the welded balanced fan.
On Thu, Sep 26, 2019 at 8:46 PM sglw <sglw at aol.com> wrote:
> I have a 1600 dp with typ 3 twin carbs and would overheat when driving in
> 100 degree weather. My solution was to use an early porsche 356 generator
> pulley, that is 10% smaller. This is because I have a 3.88 ring and pinion
> and only do 3000 rpm at 60 mph, I did put in a balanced and welded fan as
> it goes faster.
> Check to see if your fan is clear.
> Sam w
> Sent from my Galaxy Tab® E
> -------- Original message --------
> From: Chris Dreike <cdreike at gmail.com>
> Date: 9/26/19 7:16 PM (GMT-08:00)
> To: VW type 2 late aircooled <type2 at type2.com>, "<vintagebus at type2.com>" <
> vintagebus at type2.com>
> Subject: Re: [VB] Hot engine
> In poking around on The Samba, I saw a reference to maybe the vents on a
> splitty are not large enough to support the dog house size fan.
> Also my compression measures at 1-4, 150, 155, 155, 160. The engine builder
> was targeting 8:1 compression. Not sure if 155 is close to that. Anyone?
> On Thu, Sep 26, 2019 at 6:27 PM Sam Williams <sglw at aol.com> wrote:
> > I had a similar problem, and found some paper had been sucked into the
> > back of the fan.
> > I had to keep under 50 to get the oil temp down to 250
> > Sam,
> > 63 single cab
> > -----Original Message-----
> > From: Chris Dreike <cdreike at gmail.com>
> > To: VW type 2 late aircooled <type2 at type2.com>; <vintagebus at type2.com> <
> > vintagebus at type2.com>
> > Sent: Thu, Sep 26, 2019 3:56 pm
> > Subject: [VB] Hot engine
> > Hi,
> > My previous post talked about having hot heads on my engine. I gets hot
> > just accelerating from a stop light to 50mph.
> > The engine is a 1776cc. Scat cam (c25 grind similar to W-100) and Scat
> > Street heads with stainless valve covers. Dog house style, wide, balanced
> > fan and dog house oil cooler.
> > I am running both a air fuel ratio and a cylinder head temp gauge so I
> > what the engine is doing.
> > I have a megasquirt controlled fuel injection system so I have great
> > control over all the engine parameters. The engine is hot whether its
> > running rich or lean. 28 degrees max advance or 38 degrees when running
> > lean on a light load. Rich is 12.7:1 and lean is 17:1.
> > I need to check to see that the fan belt is not slipping, I have a tach
> > that. There does not seem to be anything caught in the fan that I could
> > feel (engine off).
> > The engine oil always ran hot in the past up to 260F until I recently
> > installed an external cooler in addition to the stock dog house and it
> > run consistently at 210F in town or on the freeway. I also have a full
> > filter.
> > I'll check compression before pulling the engine
> > Anyone have other suggestions?
> > Thanks,
> > Chris
> > .
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