Glen,
If a person is going to go to all that trouble "modifying" the Holley, why
not just go for the Edelbrock 500cfm, or the Carter.
(How about an older Holley "Pro-jection" unit. Can it be used? Iv'e seen
several very cheap at swap meets)
later
Perry
> -----Original Message-----
> From: Glen R. Wilson [SMTP:GlenWilson@worldnet.att.net]
> Sent: Thursday, March 25, 1999 10:32 AM
> To: PROBINSO@flower-mound.com
> Cc: 'buick-rover-v8@autox.team.net'
> Subject: PERRY
>
>
> Just between us, Dan, the Holley needs some changes to work with the
> Buick. I'm pretty much a rookie and have found that people on this
> list frequently gloss over essential stuff they assume everyone
> knows. There's also some difference of opinion.
>
> Here's what I've gleaned. The stock Holley 390 needs to be rejetted
> to run right on this little engine. I've got some numbers at home I
> can send you. Also, the stock carb does not have the metering block
> for the secondaries, and you need that to make it run right. It's
> around $60-70 and allows you to adjust all of the factors for the
> secondary. You will also probably have to change the spring in the
> vacuum secondary that controls when they kick in. They say that it
> pays to pick a slightly different cam for the accelerator pump
> linkage so that it squirts less gas. You apparently need to drill
> three nickle-sized holes on the choke plate to keep it from
> overchoking. Other than that, you just toss it on there....
>
> At least that will give you some basis for asking questions.
>
> Don't believe everything you read either here or in Hardcastle's
> book. Watch out for advice from people who are getting 400 hp
> out of their engines with wild cams and superchargers; that's not
> what you have.
>
> Glen Wilson
>
>
>
>
>
> > From: Perry Robinson <PROBINSO@flower-mound.com>
> > To: "'Daniel Jones'" <djones2@mdc.com>
> > Cc: "'buick-rover-v8@autox.team.net'"
> <buick-rover-v8@autox.team.net>
> > Subject: RE: Parts Interchangeability -Reply
> > Date: Thu, 25 Mar 1999 14:57:10 -0600
> > Reply-to: Perry Robinson <PROBINSO@flower-mound.com>
>
> > Thanks Dan!
> >
> > Sounds like you have some hard data to back that up with. I currently
> am
> > running a bone stock (junkyard pullout) 1980 SD1 3.5l, with a 4bbl buick
> > intake(with adapter plate) and a Holley 390. Installed the Holley
> straight
> > out of the box, just set the float level, and go. Carb. seems to flood
> at
> > idle, and seems to run very rich. What jets does this carb come with
> stock,
> > and which are preferred? Also, engine seems to cut out at high rpm.
> Can't
> > tell if its fuel starvation, or whether its valve float. (no working
> tach
> > yet!) I am running a Autozone generic electric fuel pump throught the
> stock
> > TR7 fuel lines.
> >
> > Any advise?
> >
> > PS-the 4bbl buick w/adapter creates some clearance problems with the
> hood,
> > with all but the slimmest air cleaners, is the Edelbrock any lower? (or
> > HIGHER?)
> >
> > Thanks!
> > Perry
> >
> > > -----Original Message-----
> > > From: Daniel Jones [SMTP:djones2@mdc.com]
> > > Sent: Thursday, March 25, 1999 2:03 PM
> > > To: buick-rover-v8@autox.team.net; PROBINSO@flower-mound.com
> > > Subject: Parts Interchangeability -Reply
> > >
> > > >Does anyone (other than Silv-o-lite) make a performance piston
> (9.5comp)
> > > or
> > > >higher piston for the Rover? I have been told that Chevy Vega
> pistons
> > > are
> > > >the same 3.5 in. bore size, and on a recent post, someone mentioned
> that
> > > >Chevy 2.8 V-6 pistons would fit the Buick. I am assuming (and WE ALL
> > > know
> > > >what that means) that the Chevy parts are going to be more available,
> and
> > > >inexpensive, than an aftermarket item.
> > >
> > > You assume too much. While there are several different pistons
> > > that will fit the bore, the pin heights are not necessarily in the
> > > right place for a stock rod and crank. The pistons mentioned
> > > yield the desired compression with a 300 crank and heads.
> > > There may be pistons that will work but you'll need to do the
> > > research with the piston catalogs for the proper pin heigth and
> > > diameter.
> > >
> > > Ted and Woody both deal with pistons. You might see what
> > > they have.
> > >
> > > >What cam do you recommend? Glen Towery says to stick with the
> stocker.
> > >
> > > You might want to contact Woody Cooper. He's done a number of
> > > custom Sig Erson cams for the 3.5.
> > >
> > > >What about carbs? I've been running the Holley 390, but I'm not real
> > > happy
> > > >with it. Has anyone used the Edelbrock Performer 500 cfm carb? I
> have a
> > > >stock 4bbl bop intake, what is the "best" intake. (I have read
> > > Hardcastle's
> > > >book, but don't think the Offy is the way to go anymore) Has anyone
> > > >actually used or is running, the Edelbrock Performer?
> > >
> > > Ted Schumacher is doing an dyno intake comparison and has a couple
> > > of my intakes (Offy Dual Port and Buick 4 bbl). I think he also plans
> > > to test the Edelbrock intake. He's using a Holley 390 with some carb
> > > guru modifications.
> > >
> > > I've got several carbs to play with (holley 390, Carter 400, Edelbrock
>
> > > 500, Edelbrock 600) but it will be awhile before I actually finish the
>
> > > engine to see which one I like best. I tend to prefer the
> > > Carter/Edelbrock
> > > carbs but I've made Holleys work too.
> > >
> > > >My car is mostly used for highway use, and I like the idea of passing
> > > with
> > > >lots of power at highway speeds. I'm not really into the "stoplight
> drag
> > > >race" type engine, but I also don't want an engine that doesn't make
> > > power
> > > >until 5,000 rpm!
> > >
> > > You definately want compression. Shoot for 10:1 compression
> > > and a cam with 110 lobe centers and whatever duration fits your
> > > rpm range. Probably a little extra duration and lift on the exhaust
> > > to crutch up the smal exhaust port. Bowl port the heads and consider
> > > oversize valves. Run headers - both Ted and woody carry the
> > > tri-y's for TR8's. Buick/Olds 4 bbl intake with spacer or Edelbrock
> > > Performer.
> > >
> > > Dan Jones
> >
>
> Glen R. Wilson <GlenWilson@worldnet.att.net>
>
> Suburban Philadelphia, Pennsylvania, USA
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