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Clifford intake and Dutra Duals
https://www.slantsix.org/forum/viewtopic.php?t=2777
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Author:  Mike Latvala [ Wed Oct 17, 2001 5:33 pm ]
Post subject:  Clifford intake and Dutra Duals

I recently bought a 1975 Duster (my first Mopar), and I am planning to convert the slant to fuel injection. I already have access to an 85 Buick donor car. I would like to use the Clifford intake, but I don't really want to buy the header because they seem way too expensive for what you get. I would like to use Dutra Duals, front and rear. What cost am I looking at for two Dutra manifolds (I suppose a lot more than for the Clifford header)? Also, is it possible to machine the stock manifold to work with the Clifford intake?
This is a great site, and it's given me lots of ideas for what to do to my car. Thanks a lot, everyone.
Mike Latvala

latvalam@msoe.edu

Author:  Doc [ Thu Oct 18, 2001 5:42 pm ]
Post subject:  Re: Clifford intake and Dutra Duals

Quote:
: I recently bought a 1975 Duster (my first
: Mopar), and I am planning to convert the
: slant to fuel injection. I already have
: access to an 85 Buick donor car. I would
: like to use the Clifford intake, but I don't
: really want to buy the header because they
: seem way too expensive for what you get. I
: would like to use Dutra Duals, front and
: rear. What cost am I looking at for two
: Dutra manifolds (I suppose a lot more than
: for the Clifford header)? Also, is it
: possible to machine the stock manifold to
: work with the Clifford intake?
: This is a great site, and it's given me lots of
: ideas for what to do to my car. Thanks a
: lot, everyone.
: Mike Latvala


Yes, my cast iron manifolds are more expensive then tube steel headers but if you figure that headers last 3-5 years and the cast iron will last about 100, (give or take 25) then the cast iron is a much better value.

As for the Clifford intake, yes, it can be machined to work with the stock exhaust manifold, it just needs an angle-cut where the two manifolds meet.
DD

Author:  Mike Latvala [ Thu Oct 18, 2001 6:55 pm ]
Post subject:  Re:

Quote:
: Yes, my cast iron manifolds are more expensive
: then tube steel headers but if you figure
: that headers list 3-5 years and the cast
: iron will last about 100 (give or take
: 25)then the cast iron is a much better
: value.
:
: As for the Clifford intake, yes, it can be
: machined to work with the stock manifold,
: just needs an angle-cut where the two
: manifolds meet.
: DD


Doc,

Thanks for the info. I will definitely be considering getting a set of manifolds from you.

Once I get the motor built (with the fuel injection), I will probably add a nitrous plate under the throttle body. Which leads me to another question: Will it be necessary to add another fuel pressure regulator to manage fuel pressure to the nitrous plate? I'm assuming that the gas jets in nitrous plates are calibrated to operate at relatively low fuel pressures. I haven't been able to find this information with the search function, or elsewhere. Again, thanks for the help!

latvalam@msoe.edu

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