RE: [DML] Questions Re: B280 .... Im so confused (DMC Joe)

["DMC Joe" <dmcjoe@xxxxxxx>]

Bill,

On my last reply I believed I may have misled you when I said the B-280 is
in my garage. Although that is correct I should add that it is installed in
my Volvo 760 which happens to be my daily driver. I can't do any disassembly
but I can certainly pass on other information that you may need. Also keep
in mind that this engine has been so reliable that the only service
procedure that I have performed on it was a water pump replacement.

To answer your questions the injector seals look similar to the B-28F, I
don't know about the head bolts. The throttle assembly is bolted directly to
the rear of the intake manifold and could be easily capped off with a small
plate.

DMC Joe


-----Original Message-----
From: content22207 [mailto:brobertson@xxxxxxxxxxxx] 
Sent: Sunday, January 16, 2005 12:25 AM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Questions Re: B280 .... Im so confused (DMC Joe)

Since the owners I've been in contact with are looking primarily for
experimentation, temporary removal of the engine cover shouldn't be a
problem. They just need something to bolt up.

An adapter may indeed be necessary to mate the carb. I even had to make one
to mate a Motorcraft 2150 to my A Series manifold (see the pics in #5939's
photo album). This is actually a very easy task -- aluminum is easier to
work with than oak. I used plain steel hole saws and bits in my router to
knock it out in less than a day.

A couple of questions from your B280:

How are the injectors sealed? I am recommending 3/8" or 10mm bolts in stock
boots to cap off the B28 head bungs. Would something similar work in the
manifold?

How is the throttle assembly mated to the manifold? That entrance to the
central air passage would of course need to be blocked off. Does it look
possible to do so with a simple plate & gasket?

Would you be willing to pop the intake off and measure the diameter of its
head mating ports?

Thanks!

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, "DMC Joe" <dmcjoe@xxxx> wrote:
> 
> Bill and Alex,
> 
> Bill first,
> 
>  I was bale to locate some information 
> http://robskorner.org/faqs/3litrefaqs/3litrefaqs.html that may be
useful to
> you concerning the Chrysler intake manifold. I just looked at by
B280 and
> one of the problems the I see with a carb modification is height.
The flat
> sections at the top of the B280 are only about 2" wide, not wide
enough for
> carb mounting. You could maintain the Chrysler upper plenum but by
the time
> your finished mounting a carb and fresh air intake you would be well
above
> the engine cover. You could cut a hole in the cover or completely
remove it.
> With that set up you would be able to watch your carbs at work while
your
> driving, through your rear view mirror. 
> 
> If you need more details on the B280 let me know, I have one in my
garage.
> 















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