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383 stroker questions for my 350  
z28camaroguy
New User | Posts: 16 | Joined: 06/08
Posted: 06/24/08
06:46 PM

i have this 1986 350 4bolt main motor that was ran on propain and it was bored out and new crank cam rods pistons were put in it and maybe 3k miles put on the new rebuild.

i was considering of turning it into a 383 stroker.

if i was to get a new crank and rods and pistons and a balancer would it be able to be done?

and ifso what kind of internal parts could i use if i was building this on a budget?

thanks guys, all the tricks and tech tips on making a lil more performance out of this is greatly appreciated.

oh and this would be going into my 81 z28 camaro. currently have the headers and full 3 in exhaust and edelbrock rpm performer intake and 750 edelbrock carb and a big loppy edelbrock cam and lifters to match it.

bought it for $300 form a friends  


 
GibTG
Guru | Posts: 1172 | Joined: 10/03
Posted: 06/24/08
07:22 PM

Don't forget the flywheel. All the rotating assembly components must match in balance.

Internal parts? Aren't those the crank, rods, pistons, etcetera?

Yeah, those Edelbrock cams are rough (wink, wink).  


 
Mighty_Mouse
User | Posts: 52 | Joined: 06/08
Posted: 06/24/08
08:11 PM

searck google for 383 stroker builds. you will find hundreds of builds to get ideas rainging from a crank and fresh bearings and pistons to all forged raceing motors.  


UGC ALL DAY! {UGC}<MOTOR>

 
z28camaroguy
New User | Posts: 16 | Joined: 06/08
Posted: 06/25/08
02:44 PM

thanks mighty mouse i will start there....and i was refering to brand names or what size parts to put in.
scat, eagle, etc. whats a decent crank and rods on a budget.

also i was wondering about block clearance as well for the added stroke  


 
GibTG
Guru | Posts: 1172 | Joined: 10/03
Posted: 06/25/08
09:00 PM

Size of the parts to put in? Please elaborate.

Both Scat and Eagle will have cheap Chinese-metal cranks for you to use that are fairly durable and will save the hassle of searching and machining a stock 400 piece. The most budget orientated crank would be a cast steel piece (the aftermarket has basically phased out cast iron cranks) which will safely support 450+ horsepower.

Some cheaper connecting rods are a 5140 steel but most are forged 4340 steel. Either would be fine for a 400 or so horsepower street machine.

Clearance between the connecting rods, camshaft, and block will need to be checked during a "mock" engine build. Aftermarket "capscrew" rods help gain added clearance here by design. You may have to notch the bottom of the cylinder bores, since every block is different the only thing I can tell you to do is mock-up the engine check.  


 
55Guy
Enthusiast | Posts: 473 | Joined: 08/07
Posted: 06/26/08
06:09 AM

www.enginekits.com, you canf ind a fulls torker kit there for cheap.  


 
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