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Chevy 305

This category covers questions about the Chevrolet small-block engine variant 305. The 305 had a displacement of 305 cubic inches, with a 3.7350-inch bore, and 3.4803-inch stroke.

1,733 Questions

You have a 2002 Chevy silverado with a multiple cylinder misfire code you've changed plugs wires cap and rotor The truck starts fine but after a few seconds it starts shaking and sometimes shuts off?

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Asked by Anonymous

The engine must be a V6 that we are talking about because the V8 does not have a distributor and you said that you have changed the cap and rotor. The first thing to look at is your fuel pressure. Has the fuel filter been replaced or checked? Perhaps your engine is running lean due to a plugged fuel filter? A plugged fuel filter will cause multiple cylinder misfires. I am sure that your coil is okay. One more thing to check is your crankshaft position sensor. It is located in the front timing cover to the bottom left of the harmonic balancer. Check to see that it is seated tight. Also, remove it and stick your finger in the hole and try to wiggle the reluctor. If the reluctor moves then you will need to replace it as it is causing an erratic reading and will cause multiple cylinder misfires. And the last thing to check is for vacuum leaks and also remove the EGR valve and see if there is any carbon stuck in the pintle of the valve.if the truck have never been messed with as far as extreme maintence then the problem probably lies in your coil packs these are located above each cylinder spark plug. check at night with no light to see if sparks are jumping (to test coil pack use a insultated pry bar/screwdriver and touch to connector on wire to coil pack and ground to engine block if there is spark its good if no no spark it need to be replaced) warning this will scar you tool

How do you install universal joints for 1999 gmc sierra?

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Asked by Anonymous

I would advise using an OTC brand 3-in-1 ball joint service kit or the equivalent. It comes with instructions.

How many quarts of transmission fluid does a 305 Chevy motor take?

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Asked by Anonymous

Seriously? A 305 Chevy motor does not take "transmission fluid"! The transmission takes transmission fluid, and the motor takes oil. The 305 should hold 5 quarts of oil I believe. As for the transmission, I believe that all depends on what transmission you have. Seriously? A 305 Chevy motor does not take "transmission fluid"! The transmission takes transmission fluid, and the motor takes oil. The 305 should hold 5 quarts of oil I believe. As for the transmission, I believe that all depends on what transmission you have.

What would cause a 4 speed automatic tranny stay in first gear until 35 mph on a 1983 Chevy K10?

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Asked by Anonymous

If your transmission doesnt shift until 35 mph then check your vaccum hose on your transmission.... i had the same prob. and that is what it was because it is a vaccum shift tranny and without the vaccum then it will shift at really high rpms.

What is the timing spec for a 91 Chevy 350?

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Asked by Anonymous

I believe my burban is supposed to be timed @ 0°. I time it to 8°

Does the pulleys on a 305 tbi fit or swap over to a 350 tbi engine?

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Asked by Anonymous

yes they will

What is the firing order for 1994 Chevy Caprice?

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Asked by Anonymous

typically the firing order for a small block Chevrolet:
Clockwise 1-8-4-3-6-5-7-2


In 1992, GM created a new-generation small-block engine called the LT1, recalling the 1970 LT-1 moniker. It displaced 5.7 liters and was a 2-valve pushrod design. The LT1 used a reverse-flow cooling system which cooled the cylinder heads first, maintaining lower cylinder temperatures and allowing the engine to run at a higher compression than its immediate predecessors. This engine was used in:

    • 1992-1996 Chevrolet Corvette C4
    • 1993-1997 Chevrolet Camaro Z28
    • 1993-1997 Pontiac Firebird Formula and Trans Am
    • 1994-1996 Buick Roadmaster
    • 1994-1996 Cadillac Fleetwood
    • 1994-1996 Chevrolet Caprice
    • 1994-1996 Chevrolet Caprice Police Package
    • 1994-1996 Chevrolet Impala SS
    • 1994-1996 Chevrolet Caprice Wagon
    • 1994-1996 Buick Roadmaster Wagon
There were a few different versions of the LT1. All feature a cast iron block, with aluminum heads in the Y and F bodies, and cast iron heads in the B and D bodies. Corvette blocks had four-bolt mains, while most other blocks were two-bolt mains. The 92-93 LT1s used speed density fuel management, batch-fire fuel injection and a dedicated engine control module (ECM). In 94 the LT1 switched to a mass airflow sensor and sequential port injection. A new, more capable computer controlled the transmission as well as the engine and got a new name: powertrain control module (PCM). Where the ECM held its calibration information in a replaceable "chip", the PCM was reprogrammable through the diagnostic port. The early Opti-spark distributor had durability problems and a revised version was introduced on the 1994 B-Bodies and in 1995 on the Y and F-Bodies. 1996 saw major revisions for OBD-II - a second catalytic converter on the F-body cars (which was standard since 1995 in California), rear oxygen sensors to monitor catalyst efficiency and a crank position sensor for misfire detection. Some OBD-II features had been added to the Corvette starting in 1994 for testing purposes. The 1997 model year Camaro and Firebird were the last year for this engine in a GM production car. The 1992 LT1 in the Y-body was factory rated at 300 hp and 330 ft-lb. 96 LT1 Y-bodies were rated at 300hp and 340 ft-lb. The 93-95 F-bodies were rated at 275 hp (202 kW) and 325 ft·lbf (439 Nm), while the 96-97 cars were rated at 285 hp (210 kW) and 335 ft·lbf (452 Nm). The 96-97 SS/WS6 F-bodies were rated at 305 hp. The 94-96 B and D-body version was rated at 260 hp (191 kW) and 330 ft·lbf (446Nm).

Do you realy need all the vacuum hoses in a 85 Chevy truck 305 engine?

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Asked by Anonymous

The only vacuum lines you need on the old carb moters is for ur break booster and vacuum advanced distributer

What is the stock piston size on a Chevy 305?

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Asked by Anonymous

3.740 x 3.480 / inches. Stock factory bore.

What is the stock block color for a 1986 Chevy silverado 350 big block?

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Asked by Anonymous

The 350 is the small block, and in 1986 it would be GM corporate blue.

If you have an 8 cylinder 5.0 liter 305 Chevy engine and it just hit 2.6 million kilometres and it is still running mint Theese engines are literally imposible to stop you got the proof?

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Asked by Anonymous

Theese engines are the best of the best. I totally believe you that you hit 2.6 million milometres. Trucst me, it will never die!

What are the Torque specs to tighten down tires on a 2002 Ford F-150 pickup?

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Asked by Anonymous

Listed in your owner's manual. On most ford trucks it says it on the lug nut but only with steel wheels

Can a 307 Chevy be borded to 4inch 350 Chevy v8?

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Asked by Anonymous

You would have to bore it .125 thousands to get it to a 4" bore. I highly doubt the 307 will take that much of an overbore and survive. Most blocks certainly can't be bored that much. 350 SBC are a dime a dozen. Better off just picking up one.

What transmission bolts to a Chevy 2.8 v6?

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Asked by Anonymous

Identify a 2.8 Chevy transmission

Most any Chevrolet transmission will work, but the 2.8 didn't have much power, so stay away from a 400. A TH200 would be your best bet.

What is the firing order for a Chevrolet 305 from cap?

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Asked by Anonymous

The order is: 1-8-4-3-6-5-7-2 clockwise rotation

If you had the timing belt front engine seal engine crank seal oil pump seal PVC valve valve cover gasket and cam seal replaced on a 1996 Toyota Camry should the car smoke and make ticking noises?

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Asked by Anonymous

Yes possibly the parts you refer to are general engine maintenance parts. These parts would not repair the problem you are describing if it pre-existed.

What is torque specs for head bolts on 1986 Chevy 305?

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Asked by Anonymous

75 lbs--rods 45 lbs

How much is a 1989 chev camaro iroc 305 worth today?

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Asked by Anonymous

Try nada.com

What is the timing for a 1985 305 Monte Carlo?

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Asked by Anonymous

6 degrees BTDC. ( BEFORE TOP DEAD CENTER)

Will a 1994 Chevy caprice dash broad fit in a 1993 caprice?

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Asked by Anonymous

Entirely different dash... 1994 - 1996 is the same

How much horsepower does an 85 stock gmc 2 wheel drive 1500 with a 305 have?

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Asked by Ace1392

Advertised horsepower is..........160HP @ 4400 RPMs. 4-barrel carb.

Should you hook up all of the vacuum line on a Chevy truck 305 V8?

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Asked by Anonymous

yes but. there are two "vents" that are part of the vacuum system that have no hoses connected to them. If more information go to www.autozone.com. Then click on repair info. Make sure you have entered the vehicle year, make, model and engine. then click on drive-ability & emission's look in the long gray column on the right hand side of the screen. at the bottom you will see a link for "vacuum diagrams" there are about 15 different configurations on how the lines should be hooked up. just find your engine and it will pull up the diagram. they are hard to read though

Will the rims off a 1994 caprice fit a 1985 caprice?

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Asked by Anonymous

they should so long as the lug nut patter is the same. it should be a 5 bolt with a 4 3/4 diameter. if not you can always get an adapter plate for it.

What is the bottom pulley on a Chevrolet 350?

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Asked by Anonymous

The "bottom" pulley is typically the one that is driven off the crankshaft. It's called the "harmonic balancer".

Firing order 305 Chevy?

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Asked by Anonymous

All V8 Chevrolet's firing order is 1,8,4,3,6,5,7,2. 1,3,5,7 is on the left bank and 2,4,6,8 is on the right bank. The distributor turns clockwise.

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