[DeTomaso] Intake installation tips?

Asa Jay Laughton asajay at asajay.com
Thu Oct 5 10:19:10 EDT 2006 

Will,
Take a closer look, I think that hole goes nowhere.  on the right bank, 
it can't go anywhere because there isn't enough metal.  On the left 
bank, it's too high to hit the water jacket.  Look more to me like a 
couple of boss holes for something, but what I can't tell you.  Kind of 
like the two extra holes on the heads in my AMC(Kaiser) 327 that go 
nowhere, they just fill up with dust, dirt, and crap.

The steam relief you are mentioning is usually (if I recall correctly) 
drilled a bit lower into the end of the head to make sure it hits the 
water jacket.

Asa Jay


Will Kooiman wrote:

> I just noticed something else.
> 
> Take a look right above the water jacket hole.  There's a steam hole drilled
> into the intake face that mates to that squarish section at the end of the
> heads.  You know how people drill that at the back of 351C heads to relieve
> the steam?  Apparently Boss 302 heads took care of this from the factory.
> 
> 351C heads don't have that steam hole drilled.
> 
> If you take a look at most 351C intakes, they have a boss cast that mates to
> this hole.  My intake gaskets have a hole for this as well.  My A3 heads
> have the hole drilled and plugged with a threaded allen plug.
> 
> I wonder what the boss 302 intake did with the steam.  Probably nothing.
> 
> -----Original Message-----
> From: Will Kooiman [mailto:wkooiman at earthlink.net]
> Sent: Thursday, October 05, 2006 1:43 AM
> To: redvobra at aol.com; detomaso at realbig.com
> Subject: RE: [DeTomaso] Intake installation tips?
> 
> 
> 
> Bad news, bro.
> 
> Those are Boss 302 heads not 351C heads.
> 
> The intake face will probably seal with 351C gaskets, but your engine is
> going to overheat.
> 
> The water enters the block at the front.  It goes in the two holes right
> behind the water pump.  It goes all the way to the back, up into the heads,
> and back to the front.  On the 351C, the water goes back into the block and
> out the water neck/thermostat.  On the windsors to include the Boss 302, the
> water goes into the intake and to the water neck/thermostat.
> 
> Since you have Boss 302 heads, the water isn't going back into the block, so
> it's never getting back to the radiator.  If you look at 351C head gaskets,
> you'll see a square hole about the size of a quarter near the front.  Your
> heads won't have a hole there unless they've been modified to fit a 351C.
> Consequently, the water will stop, and you're going to overheat.  One of the
> first signs will be pinging followed by boiling water.
> 
> Boss 302 intakes had a thermostat housing cast into the intake.  351C's
> don't have that.
> 
> Now, as I mentioned, if the heads have been drilled on the head gasket side,
> maybe they'll work.  You should be able to tell by looking through the
> existing water jacket hole.  You could maybe stick your pinky or a piece of
> wire through the hole to see if it makes it several inches below the head
> gasket area.  If the wire stops, so will your coolant.
> 
> The good news is the heads are probably worth more than standard 351C heads.
> You could either pull them and sell them for a rebuilt 351C set of heads, or
> you could drill the proper coolant holes using a head gasket as a guide.
> Either way the heads will need to come off.
> 
> The other good news is once you fix this, it will run better than ever.
> 
> Will.
> 
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com]On Behalf Of redvobra at aol.com
> Sent: Thursday, October 05, 2006 1:19 AM
> To: detomaso at realbig.com
> Subject: Re: [DeTomaso] Intake installation tips?
> 
> 
>  I hear ya, so something wacky is going on! Take a look at this photo, I
> have marked the holes in red:
> 
>  http://augerresources.com/ashtonsgarage/misc/waterjackets.jpg
> 
>  They were full of coolant. I thought it was weird as hell that the gasket
> just covers them and that there are no corresponding holes that match up to
> the intake. Let me know what you think!
> 
>  -Chris
> 
>  -----Original Message-----
>  From: asajay at asajay.com
>  To: detomaso at realbig.com
>  Sent: Wed, 4 Oct 2006 8:47 PM
>  Subject: Re: [DeTomaso] Intake installation tips?
> 
>   Um. No.
> 
>  The 351C head has a water jacket in it yes, but it is ONLY accessible from
> the block side (combustion chamber side) of the head. The side facing the
> intake has zero, zilch, nada, none, as in it ain't got any holes at all for
> water on the intake side.
> 
>  Therefore if it is leaking, it is coming from the head gasket, not an
> intake gasket (because there are no coolant holes facing the intake.
> 
>  Now, if that is what you meant Chris, my apologize, I didn't understand
> your post properly.
>  :)
> 
>  Asa Jay
> 
>  redvobra at aol.com wrote:
> 
>  > There are water jackets in the head though, which are capped off by
>  > the gasket and air intake. It's leaking from the head side of the
>  > gasket.
>  > > -Chris
> 
>  -- Asa Jay Laughton, MSgt, USAFR, Retired
> 
>  & Shelley Marie
>  Spokane, WA
> 
>  1973 Pantera L 5533
>  [ASASCAT]
> 
>  ******************************
>  http://www.asajay.com
>  http://www.351c.info
> 
> 
>  _______________________________________________
> 
>  Detomaso Forum Managed by POCA
> 
>  Archive Search Engine Now Available at http://www.realbig.com/detomaso/
> 
>  DeTomaso mailing list
>  DeTomaso at realbig.com
>  http://ftl.realbig.com/mailman/listinfo/detomaso
> 
> ________________________________________________________________________
> Check out the new AOL.  Most comprehensive set of free safety and security
> tools, free access to millions of high-quality videos from across the web,
> free AOL Mail and more.
> _______________________________________________
> 
> Detomaso Forum Managed by POCA
> 
> Archive Search Engine Now Available at http://www.realbig.com/detomaso/
> 
> DeTomaso mailing list
> DeTomaso at realbig.com
> http://ftl.realbig.com/mailman/listinfo/detomaso
> 
> _______________________________________________
> 
> Detomaso Forum Managed by POCA
> 
> Archive Search Engine Now Available at http://www.realbig.com/detomaso/
> 
> DeTomaso mailing list
> DeTomaso at realbig.com
> http://ftl.realbig.com/mailman/listinfo/detomaso
> 
> 

-- 
Asa Jay Laughton, MSgt, USAFR, Retired

& Shelley Marie
Spokane, WA

1973 Pantera L 5533
[ASASCAT]

******************************
http://www.asajay.com
http://www.351c.info

More information about the DeTomaso mailing list