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speaking of which, I recall hearing about the boost upgrade with
a cheap pressure regulator - did this function as planned? What kind of
The problem with "cheap" is, as dear ole Mom says: "You pay for what you
get; if you're lucky you get what you pay for" . . .
safety features am I loosing? Estimated HP?
Thanks for the info on the mod
So there you have it - sin, confession, redemption.
I haven't done it yet, but the cheapo mod that forgoes
ned's ignition advance is the pressure regulator feeding
into the high side of the wasste gate to act as a cockpit
adjustable "air spring" and a clamp circuit on around
the pressure transducer in the computer. Cost? <$50
HP, that depends upon the guts or stupididty of the
guy trurning the screw :-). I am thinking about a knock
sensor alarm to help detect when I overdo it.
If y'all'll hold your horses, I'll be eventually posting more-or-less
complete info on said upgrade for '83 UrQ (ECU mods specific to the
UrQ-genre MAC-02 ECU, but probably enough info for the creatively-
nerdistic of you lot to identify the appropriate info in at least some
of the later MAC-xx series of ECUs).
I will post it when *I* am ready (which means when *I* think I have it,
if not "right", at least "accurate"), which probably won't be for at
least a few weeks yet (pesky work commitments, ad nauseum). But I do
have definite positive "Proof of Concept" currently roaming the highways
and byways of the Royal Duchy [of Massachusetts, for those of you far
enough away to not have to know about it]. But still some "kinks" that
need "straightening" . . .