[DeTomaso] Intake gaskets

Wed Mar 17 22:25:22 EDT 2021

Dave,

You didn’t know who was driving? I’ve been driving my Pantera for years.  Larry’s is still coming together....

Mike

Sent from my iPad

> On Mar 17, 2021, at 19:13, Dave Londry <davel at trguys.com> wrote:
> 
>    I didn't know you were driving yet.
>   Congratulations!!
>   Dave
> 
>   On 2021-03-16 8:45 p.m., Mike Drew via DeTomaso wrote:
> 
>   Larry,
> 
>   Ah yes, good!
> 
>   I have the same heads and actually used a hybrid solution. I used
>   conventional Mr. Gasket on the heads, and I cut the ports portion away
>   from a MS96012 valley pan and suspended the center of it from the front
>   and back, to help prevent oil splash on the intake.  I can't take
>   credit for that idea--it came from Dave McLain.
> 
>   [1][1]https://www.summitracing.com/parts/mrg-214
> 
>   Mike
>   Sent from my iPad
> 
>     On Mar 16, 2021, at 20:33, Larry Finch via DeTomaso
>     [2]<detomaso at server.detomasolist.com> wrote:
> 
>   Mike,
>   Thanks. But......
>   My CHI 4V heads have no crossover.
>   That likely changes your recommendation??
>   and what happened to the Victor reinz gaskets??
>   BTW  the MS96012 is a valley pan design.
>   What is a good conventional gasket if not using the valley pan style?
>   Larry
>   <image0.jpeg>
>   Sent from me using a magic, handheld electronic gizmo.
> 
>     On Mar 16, 2021, at 8:14 PM, Mike Drew [3]<MikeLDrew at aol.com> wrote:
> 
>     Larry,
> 
>     The engineers who designed the 351C insisted that a valley pan
>     gasket must be used. This is because the intake manifold has an
>     exhaust crossover that routes some of the gas from the exhaust ports
>     into the intake under the carb, to promote faster warmup and better
>     fuel atomization.
> 
>     This makes the underside of the intake very hot. The valley pan
>     gasket shields the underside of the intake from the oil splashing in
>     the lifter valley. Otherwise, the result can be coking of the oil,
>     leaving nasty deposits that can then pollute the oiling system, clog
>     passages etc.
> 
>     For years the standard 351C gasket was the Fel-Pro MS96012.  That's
>     for 4V heads. The 2V version is MS96010.
> 
>     If your intake has been modified to weld up the exhaust crossover,
>     you can use conventional gaskets.
> 
>     Whatever you do, under NO circumstances should you even remotely
>     consider using the Fel-Pri Print-O-Leak gaskets. They are beyond
>     horrible and have failed time and time again.  The normal failure
>     mode sees the engine sucking oil from the lifter valley into the
>     inlet fir one or more cylinders, leading to poor running, high oil
>     consumption, fouling of the plugs and smoke out the exhaust. I have
>     no idea how Fel Pro can continue to make these things considering
>     how awful they are, in virtually every engine I've ever dealt with.
> 
>     You and I mutually know a guy who decided his engine had gone bad
>     and pulled it from the car and commissioned a full rebuild when
>     there was nothing wrong except a bad intake manifold gasket!
> 
>     Mike
> 
>     Sent from my iPad
> 
>     On Mar 16, 2021, at 19:55, Larry Finch via DeTomaso
>     [4]<detomaso at server.detomasolist.com> wrote:
> 
>     All,
> 
>     2511 shakedown miles have revealed oil leaking where the intake
>     manifold mates to the cylinder heads.
> 
>     My notes show Dan Jones once recommended Victor Reinz 95078SG
>     gaskets but they seem to no longer be available?
> 
>     Also mentioned by Dan were Mr. gasket 214 and the Fel-Pro
>     Printo-seal 1228 which at one point had a bad reputation for
>     leaking.
> 
>     Did Fel-Pro fix their leaking problems and can the 95078SG gasket
>     still be found somewhere?
> 
>     Wisdom and advice appreciated,
> 
>     Larry
> 
>     Sent from me using a magic, handheld electronic gizmo.
> 
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> References
> 
>   1. [9]https://www.summitracing.com/parts/mrg-214
> 
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> --
> Dave Londry
> TRGuys.com
> 
> [12]davel at trguys.com
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> References
> 
>   1. https://www.summitracing.com/parts/mrg-214
>   2. mailto:detomaso at server.detomasolist.com
>   3. mailto:MikeLDrew at aol.com
>   4. mailto:detomaso at server.detomasolist.com
>   5. mailto:DeTomaso at server.detomasolist.com
>   6. http://server.detomasolist.com/mailman/listinfo/detomaso
>   7. mailto:DeTomaso at server.detomasolist.com
>   8. http://server.detomasolist.com/mailman/listinfo/detomaso
>   9. https://www.summitracing.com/parts/mrg-214
>  10. mailto:DeTomaso at server.detomasolist.com
>  11. http://server.detomasolist.com/mailman/listinfo/detomaso
>  12. mailto:davel at trguys.com
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