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Old 02-21-2005, 02:16 PM
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need help selecting parts and help planning a chevrolet 383 stroker buildup

hi all,
im posting to get help with an engine buildup im planning..Im wanting to build a 383 stroker for a third gen camaro.I have a basic understanding of what the motor is exactly but Im not sure how to build it exactly.I know that a 383 stroker is pretty much a 350 with a 400 crank in it....any help with this would be extremly appreciated...my other questions is what parts to be on the lookout for because i have an extremly small budget to work with and would like to buy used parts as much as possible...thanks,
Brandon

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Old 02-21-2005, 03:06 PM
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build a 350. It will be cheaper, make nearly the same power and NO External Balancing!
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Old 02-21-2005, 03:19 PM
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if i build a 350 for my third gen ..what block would be the best to use? for instance what year and model of car would you recomend for the swap.I dont want fuel injection as im trying to keep this kinda old school and this car is gonna be a daily driver that i might once in a while wind out..thanks
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Old 02-21-2005, 03:30 PM
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the blocks with the casting # 3970010 tend to be good blocks and many are four bolt mains. Some are even high nickle content... but basically any 350 block will work.

Find a $100 builder at the salvage that is guaranteed against cracks and spun bearings. If you get lucky you might even find a 96-98 Vortec 350 from a truck for $200-250. Although not exactly "old school" they are very similar in looks, have the late model one piece rear main seal, are tapped for mechanical fuel pump, have PM rods and a factory windage tray not to mention great heads.
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Old 02-21-2005, 03:33 PM
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NXS -You really think you make the same power? I would say the 383 would make much more TQ and slightly more HP given nearly same parts such as heads/valve size and even cam. In most street cars that have some steel in them more TQ is a good thing. As for cost a 383 vs a 350 kit is nearly the same price. Now If he buys a 350 and just uses it then of course it will be cheaper. However, if he he starts with just a block and has to buy all the parts what would not make a 383 a good idea? Almost all good 383 are made for int. bal.

Goth- Any of the 350 blocks will work for you.If your lucky you can get a later model block with a roler cam setup and be able to use a rolelr cam. More then likely though you will find an older block and just use a hyd. which is just fine. A 383 eats up a little more cam then a 350 so talk to your cam. company and see what they suggest for your set up. All in all the same top parts go on the intake is the same (go with dual plane--stock one for carb will work fine for now--) The carb will be a little bigger for a 383 nothing bigger then 750 will be needed(look to the old qjets--smaller carbs will work but you won't be able to spin it as high). Talk to a machine shop and see what they have to say about blocks and pricing on maybe putting together the bottom end for you.



Chris

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Old 02-21-2005, 04:25 PM
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He's on a budget. Probably no aftermarket so no internal balance 383 for him.

Nearly as much power VS slightly more power. 'Bout the same. As far as Tq, that's another story. The longer stroke will give more leverage(like a breaker bar). But "power" is Horse power in my book and Tq is torque!
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Old 02-21-2005, 04:28 PM
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True about the power is power that I agree with and of course the longer stroke makes more TQ. In my thinking though if your buying a kit. Now I know he is on a buget so stock parts would come in play there but he has to think about machine shop cost to get them in order and such. Some of these rebuild kits have gottne so cheap in the range of most people and a 383 kit is normally very close to that of a 350.

If it was me I would save my money now doing a full engine build on an exremely tight budget is not the best thing. It tends to make people cut corner that they later wish they had never done. Thats why I suggested a kit he may have to save but the pay off is there. You get a very sound engine and can pick just how you want the engine to be. In all it's up to him.
Chris
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Old 02-21-2005, 04:50 PM
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Right on. He did ask for a 383.
So he'll need a 350ci block, a 400 sbc crank, a sbc 400 balancer, a 400 sbc flexplate/flywheel, 350ci rods and 383 pistons.

They will need to be acquired then taken to the machine shop for balancing($150-300 depending).

An internally balanced kit is 10 times better.
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Old 02-21-2005, 05:28 PM
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I dont know how much money you have to spend, but here is a decient build up with fairly strong parts that will make around 400 hp and 430-450 tq.

Here is the short block, it's the first one in the list. It includes the cam, balancer, flywheel, and timing set, assembeled for $1549. I am sure you can have them use whatever piston you would need in order to get the compression you would want. As far as the cam goes, I would go with the comp XE274H.

http://www.revolutionaryperformance.com/short%20blocks.htm

As far as the heads and intake, I would get this kit from scoggin dickey for $900

http://www.sdpc2000.com/catalog/2172/products/108807/Upgraded-Vortec-Head-Kit-Edelbrock-Performer-RPM.htm

all you would need from here is a carb, oil pan, and push rods.
Carb: holley 650 $350
http://www.jegs.com/cgi-bin/ncommerce3/ProductDisplay?prrfnbr=2303&prmenbr=361

oil pan and push rods wont be over $200, so for around $3000 you could have a 400 hp 383 with all new or reconditioned parts.

Adam
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Old 02-21-2005, 05:58 PM
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Here is a better kit
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=46098&item=7954541 649&rd=1
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Old 02-21-2005, 06:08 PM
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NXS, would you enlighten me on why an internally balanced motor is 10 time better than externally balanced. After all, balanced is balanced. You might also explain why most late model stuff is going with external balance. My externally balanced, blue printed and balanced 383 is the smoothest motor I have owned.

Trees
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Old 02-21-2005, 06:10 PM
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Biuld a 400

Only a couple hundred more to build.
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Old 02-21-2005, 06:18 PM
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Haven't we been through that before? Most people can't just walk out and get a 400 block anymore not around here at least. A 350 is about the easiest thing to find and a 383 is one of the better things you can make out of them. For most people starting out a 350 is just what the doc. ordered and to spice up your life the 383 is the little pill.

I think the int. bal. as always been better because the older ext. where not up to par with what we would call bal. today. More then likely a good bal. job int. or ext. will give you a very smooth engine and won't wear the main bearings like some of the older ext. used to.

Chris
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Old 02-21-2005, 09:26 PM
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thanks for all the feedback..I do have a new question tho...what would yall recomend the four bolt block or the two bolt block for my engine? in my mind the four bolt might be abit stronger but would it matter? thanks again
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Old 02-21-2005, 11:46 PM
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400 sbs

Quote:
Most people can't just walk out and get a 400 block anymore not around here at least.
Since one of you live in SC and the other Pa. What do you mean around here? I live in a town of 60,000 people and bought 2 last year.
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