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Old 08-30-2003, 10:28 PM
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hmm....what to do?

I'm trying to decided what carb to use on my 350. I have an Edelbrock Torker II intake, headers, will soon have a Torker Plus cam (before the engine goes into the car), a Turbo 350 transmission, and I'm not sure what gear ratio (prolly around 3.00, it's stock '84 Grand Prix rear-end).

Should I use a Quadrajet carb that I already have and would need a rebuild kit and a very good cleaning, or pick up a Holley 670cfm carb for $40 that needs a rebuild kit. The Q-jet will need an adapter to fit the intake manifold, and I'm not sure if the holley will need one or not. This car will most likely never be used for racing and I don't really want a old, dingy carb on an otherwise well detailed engine. Will the quadrajet support the engine as well as the Holley? will the Holley be as reliable as the quadrajet?

I'm just looking for peoples opinions. I know I'm going to get people who will swear by either carb, I'm just trying to get an idea for myself. Thanks

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1984 Pontiac Grand Prix
-350 4-bolt main
-Torker II Intake
-Holley 600 cfm 4-barrel
-Flowmaster Afterburner headers
-Turbo 350 Transmission
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Old 08-30-2003, 10:49 PM
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if your going to use this as a race vehicle as you say, the gears have to go, if it`s the stock gears, I`m sure the ratio is in the 2:1 range. the Torker II is really made for more mid and top end power, and the Q-jet or holley will either serve you well, however, if you don`t know much about carbs, I`d say go with the Holley, they are somewhat easier to tune for the application. the Q-jet is a bit harder to tune, but really has the rewards for the efforts. A square bore Holley won`t need a adapter plate as the Q-jet will, I`ve never seen a torker with a Q-jet pattern. if I used the Q-jet, I`d use edelbrocks 4 hole adapter. you didn`t mention what size carb you intend on using, keep in mind the Torker is a open plane intake, and one cylinder is drawing off the entire mass of the carb, so less total cfm are acceptable. if you don`t plan to regear the car, I would recommend a Edelbrock performer and a different cam, as the car with the Torker set up will be a dead player out of the hole with those gears.
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Old 08-31-2003, 01:14 AM
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I said the car will probably never be used at the track, although I am looking at lower gears (numerically higher) in the future. I'm looking at using a 600-700 cfm carb. A carb in that range shouldn't be too much for the application, and they are fairly easy to find in this range for good prices.
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1984 Pontiac Grand Prix
-350 4-bolt main
-Torker II Intake
-Holley 600 cfm 4-barrel
-Flowmaster Afterburner headers
-Turbo 350 Transmission
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