Just got my Holley and Edelbrock intake put on. You guys would not believe the improved operation of the engine. I havent done the headers yet, so there wasnt a big power gain, but she runs much smoother and isnt choking to death on smog equipment. I cant wait to get the Headers bolted up, I'm hoping for at least a 15 h.p. gain, but I will settle for 10. The old intake looked awful inside, so the engine looks and runs great now. Any thoughts?

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---Grady---
1984 Berlinetta.
LG4 305
Holley #1850 600 c.f.m. carb.
Edelbrock Performer intake.
TH-700R4.
Flowmaster 80 series/ 3" cat-back pipe.
Accel Superstock Coil.
7.5 10-bolt rear/ 3.08's.
Edelbrock Pro-flow air cleaner.
Pioneer head unit, Pioneer front 4X6's, Cerwin Vega rear 6x9's.
Daily Driver.

Personal Quote: "The Rice-Boys all tremble with fear when the old American V8 draws near."

 

Good news!!! With the addition of headers, you will notice about 30hp!

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Rob
'86 TA 305 TPI
Gutted MAF, Ported Plenum
TB Bypass, Home made Cold Air Intake,
Edelbrock T.E.S.

 

Good to hear. it's always good to hear how happy people are when they put a holley on

One thing..just to be a bit redundant..you did replace the distributer with a non computer controlled one right?

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"American made baby. 100% American iron. The muscle among the masses. My hero. Yep, you can take your ergonomically designed, space age, computer controlled, 4 door, cup holding map lighted split double wishbone split fold down retractable cargo covered moon roof piece of transportation and keep it. For I have felt the thunder. And I know the difference!"
JSP Motorsports
ICON Motorsports

 

I put a vacuum advance one on there. Ive only got one problem now, dialing in the Holley. Im still having trouble with my RPM dropping below 500 and trying to stall if I brake quickly. Im thinking something in the fuel line, so Im gonna have to work on that. But otherwise, shes running smooth as silk. Ive got my idle set to 800 in neutral/park, which puts it at around 630 in drive,,,,,sound too low? Let me know what you guys think.

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---Grady---
1984 Berlinetta.
LG4 305
Holley #1850 600 c.f.m. carb.
Edelbrock Performer intake.
TH-700R4.
Flowmaster 80 series/ 3" cat-back pipe.
Accel Superstock Coil.
7.5 10-bolt rear/ 3.08's.
Edelbrock Pro-flow air cleaner.
Pioneer head unit, Pioneer front 4X6's, Cerwin Vega rear 6x9's.
Daily Driver.

Personal Quote: "The Rice-Boys all tremble with fear when the old American V8 draws near."

 

That idle sounds fine for a stockish motor.

Problems when braking too quickly is probably the float level being set wrong. you want it so that fuel just barely leaks out of the sight holes when you rock the car.

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"American made baby. 100% American iron. The muscle among the masses. My hero. Yep, you can take your ergonomically designed, space age, computer controlled, 4 door, cup holding map lighted split double wishbone split fold down retractable cargo covered moon roof piece of transportation and keep it. For I have felt the thunder. And I know the difference!"
JSP Motorsports
ICON Motorsports

 

Hmm, I had a similar problem but with my Qjet. It turned out to be the centrifugal advance weight and springs under the distributor cap were kinda stuck together. Go figure. A healthy dose of WD40 fixed that and it idles quite well now


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1986 Camaro Sports Coupe
T-tops, power hatch, third brake light
LG4 305 V8, "Damonized" Q-Jet 4bbl, K&N filter
Crane ignition kit, TH700R4 transmission
Air, pw, pl, pb, ps
Kenwood cassette, Pioneer 6x4 component front speakers
Rockford Fosgate 6x9 Punch rear speakers
Aluminum slots and Goodyear 225x60R15 Eagle HP tires

 

Yeah, but its a new distributor, so I hope its not a problem with it. Im leaning more towards the maladjusted float settings on the Holley. I set my idle up to about 950 which is keeping it from stalling, I will take it and have the carb. dialed in by my mechanic. This is one of the situations where I would rather pay and have it done right.

------------------
---Grady---
1984 Berlinetta.
LG4 305
Holley #1850 600 c.f.m. carb.
Edelbrock Performer intake.
TH-700R4.
Flowmaster 80 series/ 3" cat-back pipe.
Accel Superstock Coil.
7.5 10-bolt rear/ 3.08's.
Edelbrock Pro-flow air cleaner.
Pioneer head unit, Pioneer front 4X6's, Cerwin Vega rear 6x9's.
Daily Driver.

Personal Quote: "The Rice-Boys all tremble with fear when the old American V8 draws near."

 

What were the factory idle settings were on the carburated LG-4s?

------------------
---Grady---
1984 Berlinetta.
LG4 305
Holley #1850 600 c.f.m. carb.
Edelbrock Performer intake.
TH-700R4.
Flowmaster 80 series/ 3" cat-back pipe.
Accel Superstock Coil.
7.5 10-bolt rear/ 3.08's.
Edelbrock Pro-flow air cleaner.
Pioneer head unit, Pioneer front 4X6's, Cerwin Vega rear 6x9's.
Daily Driver.

Personal Quote: "The Rice-Boys all tremble with fear when the old American V8 draws near."