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Old 05-17-2008, 12:17 PM
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283

i got a 283 and i dont know what to do. its 30 over with flat tops its got the heads with no ac holes and a wierd looking single plane. are 283s anycount????
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Old 05-17-2008, 02:30 PM
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It all depends on your goal. If you're thinking performance, there are better motors to start a project with. If you're thinking using it in a vehicle just to get it running on a daily basis, then it will work fine as long as you don't need engine-driven accessories such as power steering, AC, smog pump, etc. Of course, you could use heads off a 305 to get the accessory mounting holes and make the whole thing work.

Now of course, there are rodders who will tell you that the 283 is the greatest thing since sliced bread, but like I said, there are better motors to start with for performance. Any motor you consider is just an air pump. The more air you run through it, the more power you make. You can run more air through it by increasing the displacement or by revving the motor higher or both. The problem with revving a 283 high enough to compete with a garden-variety 350 is that you have to use a cam that will operate from....for instance.....4,000 to 7,500 rpm's. That requires stronger and more expensive rods, crank, pistons, yada, yada, yada and you have moved the motor out of the realm of a street motor. A motor that begins to make power at 4,000 will be miserable to drive on the street. Way too little return for the money invested.

There may be a market for the motor by selling it to someone who is doing a numbers-correct restoration. See if there is a number stamped on the block deck, passenger side, just in front of the head. Also, check the casting numbers on the heads.
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Old 05-17-2008, 03:47 PM
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If you want to run it on the street I'd find a set of 305 heads and clean the ports up a little bit.
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Old 05-17-2008, 09:07 PM
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283s are great engines.............. if youre running a light car that doesnt need a lot of torque to get rolling, or if you have plenty of gear to run it at a higher rpm.
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Old 05-18-2008, 04:08 PM
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283

the block is 3834810 the heads are 3917291 the car is an 83 camaro with 5 speed and a 9inch with 4.56 gear and a 28 m/t tire
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Old 05-18-2008, 06:10 PM
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The block is PROBABLY a 1964 283
The heads are PROBABLY ....67-68...302/327/350..camel hump, no accessory holes, 64cc chamber.

Now, back to your original question:
"i got a 283 and i dont know what to do."

What do you think you want to do?
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Old 05-19-2008, 07:40 AM
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http://www.alangrovecomponents.com/

adapter brackets for mounting late model alternator/PS (long water pump) etc on a motor with pre 1969 cylinder heads.

Whats the problem?
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Old 05-20-2008, 04:01 PM
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283

i want perf and reliability. is it worth using a 283.i dont want to run 7s or anything. also how can i find specs on pistons it is stamped L2163 030.i know its 30 over but what else?????
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Old 05-20-2008, 04:32 PM
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http://cgi.ebay.com/ebaymotors/Parts...m250248597653&

Last edited by techinspector1; 05-20-2008 at 04:39 PM.
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