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how can you tell the difference between a 305 and 350 easily

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Old Nov 27, 2007 | 12:57 PM
  #1  
impaled's Avatar
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Joined: Nov 2006
Posts: 504
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Car: 1985 Camaro and 1996 Mustang GT
Engine: 350 4bbl/281
Transmission: 700R4/4R70W
Axle/Gears: 9" rear/8.8" 4.10
how can you tell the difference between a 305 and 350 easily

I am looking to buy a 1985 camaro and the seller told me he had "the 350 rebuilt." i am wondering if he thinks that it is a 350 and is ignorant and doesnt know if it is a 305. or if he swapped a rebuilt 350 in there. he also said he has all of the receipts.

the carb that is on there is a Holly 650 Double Pumper, so would that make a difference or anything?

are there different bolt patterns on the valve covers or anything like that i can tell the difference?


i have been out of the camaro world for a while now and am excited to get back in.
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Old Nov 27, 2007 | 12:58 PM
  #2  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: how can you tell the difference between a 305 and 350 easily

Check the casting numbers at the back of the block, or take it apart and measure. There are no other ways.
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Old Nov 27, 2007 | 01:09 PM
  #3  
impaled's Avatar
Thread Starter
Senior Member
 
Joined: Nov 2006
Posts: 504
Likes: 1
Car: 1985 Camaro and 1996 Mustang GT
Engine: 350 4bbl/281
Transmission: 700R4/4R70W
Axle/Gears: 9" rear/8.8" 4.10
Re: how can you tell the difference between a 305 and 350 easily

i dont want to tear in the engine if i am not going to buy it. where exactly are the casting numbers and what would the casting numbers say different?
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Old Nov 27, 2007 | 01:11 PM
  #4  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
Likes: 11
From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: how can you tell the difference between a 305 and 350 easily

http://www.mortec.com/location.htm
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