[DeTomaso] Port Stuffers

[hemipanter at hemipanter.se]

Perfect description, myself I used 2 bolt each port to make sure the inlay
is keept straight. Bolt was M5mm.
Goran
> Dear Paul,
>
> I have one too. I did an experiment with a stock 4V open chamber head. I
> had the head tested by my machine shop. The head has no port work only the
> bowl have been opened up. The stock baseline max flow was about 285 cfm,
> IIRC. The port with a glued in port stuffer went up a bit more. The port
> with the stuffer in place plus some clay around the edges to smooth things
> out {mimicing epoxy} and fill the crevices resulted in an impressive 304
> cfm! Wow.
>
> IIRC, the application says to glue them in place with epoxy. There is a
> favorite epoxy glue used for these sort of automotive applications. It has
> more than one name and the one I can think of now is: :"Marine Spar
> Epoxy". {I'll have to check on all this when I get home from the office
> and I have access to my files and records.} I have read from another
> source that port stuffers should be bolted in place from below with a
> machine screw or bolt as the primary method of fixation. The procedure is
> to have the holes drilled and tapped in the underside of the intake port
> opening. Apply the epoxy goop to the port. Place the stuffer on the goop
> in the port. Apply screw/bolt and proceed to tighten. Once torqued down
> into position, then wipe out the excess goop and permit the epoxy to set.
> Finish up when dry with judicious use of a grinder and voila!: over 300
> cfm heads (with stock intake port plus an opened bowl).
>
> JB Weld alone is seductively convenient and easy, but I would doubt that
> it would be satisfactory in the long run.
>
> Warmest regards, Chuck Engles
>
>
>
>
> ---- Paul Timko <thedrol at pobox.com> wrote:
>> So I have a Parker Funnelweb intake that I'm going to put on my engine
>> and it uses port stuffers. How do people install the port stuffers in
>> the head? The website says epoxy. Is there a particular type of epoxy
>> that is used or do people just use JB Weld?
>>
>> Paul
>> #9270
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