[DeTomaso] Intake installation tips?
redvobra at aol.com
redvobra at aol.com
Thu Oct 5 14:41:33 EDT 2006
Will look this weekend, unless they are easy to see with the intake still on. Where are the casting numbers located?
-Chris
-----Original Message-----
From: danielvschultz at earthlink.net
To: detomaso at realbig.com
Sent: Thu, 5 Oct 2006 7:30 AM
Subject: Re: [DeTomaso] Intake installation tips?
What are the casting numbers?
Dan
----- Original Message ----- From: "Asa Jay Laughton" <asajay at asajay.com>
To: <detomaso at realbig.com>
Sent: Thursday, October 05, 2006 10:19 AM
Subject: Re: [DeTomaso] Intake installation tips?
> 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
>>
>>
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>
> -- > 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
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> Archive Search Engine Now Available at http://www.realbig.com/detomaso/
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