C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Nov 28, 2012 | 05:12 PM
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Ok need input. Took out my 350 Engine have all the parts laid out. Some parts are High performance. Dont trust mechanics going to do it all myself. I want a high performance engine but dont know if i should build one or buy one. Would like to do it myself. Bought one crate engine 383 Fast Burn it through two rods. Bought this engine off of my Ex Friend it is blowing water into the 5 7 and 6 8 pistons.
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Old Nov 28, 2012 | 07:51 PM
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Originally Posted by mk8035
Ok need input. Took out my 350 Engine have all the parts laid out. Some parts are High performance. Dont trust mechanics going to do it all myself. I want a high performance engine but dont know if i should build one or buy one. Would like to do it myself. Bought one crate engine 383 Fast Burn it through two rods. Bought this engine off of my Ex Friend it is blowing water into the 5 7 and 6 8 pistons.
did he become an "ex" because of the engine?
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Old Nov 28, 2012 | 07:58 PM
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You need to "go to school" on this first. A good book store will have a variety of books about rebuilding and/or hotrodding the smallblock Chevy. Buy more than one.
But IMHO, find yourself a local shop that is well recommended, and let them rebuild it for you. That way it's warranteed if anything goes wrong. A local Corvette club may give you a lead to find one.
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Old Nov 28, 2012 | 11:41 PM
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probably need new head gaskets.find a good engine builder locally and see if you can supply the parts cheaper then them.look at competition products or summit for a 383 rotating assembly.
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Old Nov 29, 2012 | 09:34 AM
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Depends on how much you want to spend. There is a good amount of satisfaction in building you're own engine, if, it goes well. Pick out one or two folks you feel comfortable with their knowledge. Get your advice from them. Not from 25 different guys who all have their own way to the same end.
Decide what you want this engine to do for you when it's finished. I'd suggest not building big numbers just for big number sake. Building power that you'll probably never use, or a power range so high in the rpm range that you will rarely ever see it can lead to an engine that is less pleasing to you than one that fills your expectations.
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Old Nov 29, 2012 | 10:48 AM
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buy the crate, with a big warranty! make your life easy...
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Old Nov 29, 2012 | 11:15 AM
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Originally Posted by Indiancreek
Depends on how much you want to spend. There is a good amount of satisfaction in building you're own engine, if, it goes well. Pick out one or two folks you feel comfortable with their knowledge. Get your advice from them. Not from 25 different guys who all have their own way to the same end.
Decide what you want this engine to do for you when it's finished. I'd suggest not building big numbers just for big number sake. Building power that you'll probably never use, or a power range so high in the rpm range that you will rarely ever see it can lead to an engine that is less pleasing to you than one that fills your expectations.
Absolutely. You have to match the characteristics of the engine to your projected use of the car. Four hundred horsepower sounds great, until you find out it will drain the gas tank dry in half an hour.
These things work best when you consider the whole system, and design and build it so it all works together.
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Old Nov 29, 2012 | 11:35 AM
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If you trust your abilities in putting an engine together, which isn't hard if the proper tools are available, then do it yourself. My motto: "If you want it done right then do it yourself". Then you don't need an engine warranty.
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Old Nov 29, 2012 | 12:14 PM
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What makes you think you can build an engine any better than someone else? Have you ever done it before?


Scott
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Old Nov 29, 2012 | 12:50 PM
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I am all for DIY stuff but there is a LOT to properly assembling an engine than most would want to hear.

Looking back over the years I got lucky....real lucky on a few when I was young lol.
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Old Nov 29, 2012 | 12:53 PM
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Good thing about building your own engine is you know exactly who to blame if shrt cut were taken or bolts left untorqued.
There are plenty of guys who, by PM will help you with parts you have questions about. Someone said tools, there are some measuring tools you could use to help. Most shops I know would measure stuff for you. Most for free. I do it all the time around here. If you aren't planning on building several, I wouldn't buy all the stuff you may need. A GOOD torque wrench will be a must.
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Old Nov 29, 2012 | 01:00 PM
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Originally Posted by cuisinartvette
I am all for DIY stuff but there is a LOT to properly assembling an engine than most would want to hear.

Looking back over the years I got lucky....real lucky on a few when I was young lol.
That's not luck. That's an education. Many began that way. It would be interesting to see if there's someone here who can legit claim they haven't made an error in the beginning.
However any education can have some costs with it.

Anyone on here ever get one all the way finished and start second guessing remembering torque on all the internal bolt's? I have, and went back in to check to find everthing was fine. Taught me to mark all rods and mains after final torque.
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Old Nov 29, 2012 | 01:02 PM
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Originally Posted by mk8035
...Would like to do it myself...
Can you do it yourself?

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Old Nov 29, 2012 | 03:01 PM
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I have rebuilt several of my own engines,I have one now in the garge on an engine stand, waiting for me to decide what to put it in ( my vette or buy a roller chevy with a blown engine). Learned things the hard way..cam lobes are very easy to flatten, when starting an engine for the first time..after it warms..it needs more coolant (caught that one in time as I watched the gauge climb)oil lines to gauges can, and do, break.caught that one to by the gauge..backfiring carbs WILL burn the hair off your hand and arm,sparkplug wires WILL shock you..and last but not least....an engine fan WILL maul the heck out of your finger(s). Have fun, do it yourself. guess i am just to darn cheap to buy a crate engine..but maybe one day...smile.
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Old Nov 29, 2012 | 03:11 PM
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Originally Posted by Indiancreek
That's not luck. That's an education. Many began that way. It would be interesting to see if there's someone here who can legit claim they haven't made an error in the beginning.
However any education can have some costs with it.

Anyone on here ever get one all the way finished and start second guessing remembering torque on all the internal bolt's? I have, and went back in to check to find everthing was fine. Taught me to mark all rods and mains after final torque.
I have found that the only way I can keep from doing the second guess thing is to make a checklist. If I checked it off, I must have done it, right? Even then, I'm still not happy unless I have two checks for every item. I think that is where the term "double check" comes from. It is tedious, but it has to be done. Every once in a great while, I will utter this phrase: "Whew! I'm glad I double checked that, it could have been bad!"


Scott
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