The Lunati ad I recently saw says 525RWHP from a 383 stroker with a mild cam...cost is $3,400 for the kit...

I'm considering the same project; I think I will stay away from a big bore engine since I have heard a bunch about dropped liners... besides, i like low end torque...

 

Well, I sqeeeeeeeeeezed my short block from MTI by under $5000. It uses the stock rods (so no offset ground crank *shrug*).

My thought on the classic ci number is similar. I absolutely totally want a 427 Camaro. But I am going to have to afford it one bit at a time (kids do that to you). So the 388 For now, and then a 4" stroke rotating assembly in a year or so after I determine these sleeves are here to stay. Probably another $5000 in bits bolts and peices at least, but thats easier to swallow than $9000 at one.

If you need a classic number, call it a 383 and you'd be lying on the high side a whopping 4.6 ci. I think most would be OK with that Call is a 396 when its a 388 is a little more lame.

I also dont think you will get the peak HP number from a 382 Stroker ( sorry, its not a 383 :/ ), but the torque SURE is fun. You get to have fun on the street instead of boasting about 1/4 times and peak HP #s. Thats not a bad trade off.

chris

 

It is a 383 if it's 3.905 bore. (.005 over)

 

I am having a an alum block 409 built as we speak. It is a Darton sleeved block 4.125 with the TSP offset ground crank. My motor blew so literally nothing internal was left. The only thing I am using off my old setup are the external excessories. All new block, crank, rods pistons, bearing etc. The difference between using the stock crank with good replacement pistons and rods, and replacing the crank too is not thta much. With TSP you get Carillo rods and Diamond pistons(I think)so U are all set. I am hoping top get all the benefits that people speak off with a big all bore 388, the add just a little more stroke to make up for some of my and my cars weight. We race at 3870 so that is a BIG problem, so to speak. JPR is doing the motor when all the parts arrive. The ONLY thing that sucks as far as I can see is the wait for the block. Takes a long time to get. I am excited to see the car and hear and feel what it is like.

 

Robert and Visceral, I can tell you both that with the 478 rwhp I made on my 388 all bore is plenty on the street....it almost borders on too much because it breaks the tires loose even from a role in second. A 382 Stroker in my opinion because you'd have too much torque for the street and not enough top end, and it's more expensive to boot. Just my .02

 

That's the same combo i had going through my head at this point. Glad to see someone is gonna be able to try it out before I do!

Chris

 

Well its either 525 flywheel or its bullshit. **** I dunno anyone else making over 465 on a Lunati stroker.

 

What heads are you guys running on ur allbores?

 

most are running 6.0L heads

 

6.0L heads for me yes. The LS6 weren't worth all that extra $$$ for the minimal (if any) gain in performace over the 6.0's

 

I put down 470rwhp with my lunati package, and that was with CNC LS6 heads from SDPC.

I am in the process of changing a few items (for one some much better heads) and expect to be over 500 in the next couple of weeks. I will let you know.

 

Bear

If you don't mind me asking how much was the TSP 409 set up. What RWHP do you expect out of it?

 

Good luck man. Let me know if you hit 500. I'd be interested to see if anyone is trying bigger valves on a Lunati package which basically has a stock bore.

 

I have a block for sell that comes honed, new hardened Dura-Bond cam bearings, and new ARP main studs. Some people think the dry sleeves are better than the wet sleeves. I called Darton who makes the dry sleeves for Agostino racing and the wet sleeves. The tec said the wet sleeves are far better and can take more abuse, and that the dry sleeves are milled very thin to get a 4.125" bore. He said Darton has been using wet sleeves for years in motors that make over 1000 hp with out any problems. Also with the wet sleeves you get better heat transfer. Morgan Machine Shop are setting the motor up for me. Naturally aspirated cars with 427 CI are running the ¼ mile the low to mid 10's, with NOS there hitting the mid to hi 9's. I would be willing to go 3000 shipped. I would be willing to go 3000 shipped. You can email me at NRKnause@midamerican.com

 

383 IS a classic GM motor size. they were in 68 and 69 camaro's as an option.

I have 68' 383 emblems on the sides of my 383 (YES it's honed .005) where the stock SS emblems where, and I think it looks BAD ***!!!


also, I think I could make damn near, if not, 500rwhp with a good set of heads and maybe an electric water pump and better headers....
my current heads cost me $800 and I'm making 457rhwp 448rwtq.

 

I have never heard of a stock 383 chevy in a camaro. the engines for 68 were
1968 Camaro
Engines Offered
Engine Size Engine Horsepower
230 V6 140 gross
250 V6 155 gross
327 V8 210 gross
302 V8 290 gross
327 V8 275 gross
350 V8 295 gross
396 V8 325 gross
396 V8 350 gross
396 V8 375 gross

1968 Model Production: 235,147

I would love to see some info on the production chevy 383 engine and find out what car's it came in.
I know Mopar had them but I didn't think gm did.

 

383s came about by installing 400 cranks in a 350. There has never been a 383 that came from the factory.

 

The only 383s GM has produced are the recently released crate motors.

 

What he said but I think 500rwhp would be really hard to get and ~470 to ~480 would be more realistic.