Re: TBI pressure regulator mod

["Bruce Plecan" <nacelp@bright.net>]

That's just pretty pictures of what was a thread here years ago.
BTW, be careful with the drill, the weld is harder then the steel around it.
Spares never hurt.
You really need to use a Pressure guage to set it.
Gm has more part nos for any one item then anyone I've seen.
Probably a slight difference in pressure setting.
Might look for an ol cross fire, generally the regs aren't welded on them
Grumpy

> > Does anyone have any thoughts on changing fuel pressure for TBI
> > applications by doing the following instead of purchasing a regulator?
> > http://www.dynosources.com/dyno_sources_GM_Pressure_Regulator_Hat.htm
> >
> > I'm trying to be economical (OK, cheap!) rather than buy a $70-80
> > regulator.
> >
> > Also, does anyone know if there is a difference (& what it is) between
> > the a late 80s car TBI and the 87-91-ish TBI regulators? I have a car
> > TBI that looks like the one on my '93 Suburban (not the project - yet!),
> > which is different than the one on my '88 Blazer & I wanted to hack one
> > with a spare in case I screw up (me? Never! Well, maybe...).
> >
> > Is one TBI unit preferred over the other? I don't see them as readily
> > interchangeable.
> >
> > Last question - if I go to a 2" TBI (Holley offers one inexpensively for
> > my year truck as an option to a BBC TBI, plus it comes with bigger
> > injectors - 53# I think), should I punch out the intake holes in my
> > intake to 2" as well or buy an aftermarket TBI (or dual plane?) intake ?
> > I have a spare intake in case I screw my original one up.
> >
> > TIA!
> >
> > Eric D
> > 88 K30 Blazer
>
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