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questions about engine building


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I am planning out what to do to my 240 right now. I am pretty sure I am going with a 383 stroker. I am havent quite decided yet but I am also pretty sure I want it carburated not fuel injected. FI just seems a little too complex for me with the ecu, wiring, and all that stuff. eventually I am planning on slapping on a procharger supercharger. anyway on to my question. I am considering either buying a pre-built 383 off eBay (like this http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=1847915131) or buy all the parts seprate and put it together myself or take it to a shop or somthing? also I have seen cams that say they are 1800-5400 rpm and ones that are 2400-6000 rpm. what exactly is the difference preformance wise? ok I hope that made sence thanks for the input I will be posting more questions soon heh. thanks.

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Guest Anonymous

Nothing was said about "balancing" on the E Bay stroker motor. This is very important since the stroker could turn into a real shaker. I could not find anything on the Extreme Energy Comp Cam specs as described. Basically this cam grind (?) will cause the engine to come "alive" at 2400 RPM. I do not know whether the 1.6 ratio rocker arms will add low end torque to the unspecified upper RPM cam grind. Dart heads and 10 to 1 compression ratio pistons makes me a little curious about the chamber size of the Dart heads and overall compression making the claim of regular pump gas a fallacy.Questions to ask : balance?, cylinder combustion chamber size?, Dart head specifications?, cam grind?, make of roller lifters?, comression ratio? and a customer list to contact. This manufacturer may have been thrashed on this Forum before. I would like a stroker motor someday but would probably buy a balanced rotating assembly from somewhere like Speed Way Motors or Northern Auto Parts, have the block prepared and put it together very slowly by myself.

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Guest greimann

If you are indeed serious about putting a supercharger on it, then you need to buy / build a motor that is designed for it. A forced induction motor is built as a rather conservative motor that makes good power down low where there is little boost and has compression and cam choice that compliments that combination.

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well the supercharger is like 2 years down the road and is just a dream right now so I will worry about it when I get there. that eBay link is just an example it was the only decent one for a good price on there at the time. when I do go this route I will make sure it is ballanced and all that. would you go LT1 or carburated? thanks.

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