What is the most horsepower at the flywheel I can achieve with my stock 1980 LM-1 350 block? I think it is only a 2-bolt main, not sure though, which is also another question I have if someone knows the answer. Never had the oil pan off before.

Thanks.

Renegade

http://www.chevelles.com/forums/showthread.php?t=38173

So basically what I need is to have a 2-bolt block with splayed caps?
I still don't know what my camaro has. 2 or 4-bolt?
thanks.

renegade

How much power do you want?
a Stock 1980 350 you can almost guarantee its a 2 bolt main

Let's just say I want to go to the max with my matching numbers block.

If you know the best way, that would be awesome.

Also, i'm pretty new to alot of this stuff so most of it has to be spelled out to me as if I were a kindergartner learning the alphabet, know what I'm sayin'?

"Splayed Caps"? etc.

Thanks,

Renegade

P.S. I most definitely know the general concept behind engines but I'm illiterate to alot of the vocabulary, and what works with what, costs etc.

I run that very block. I have an easy 400 healthy horses pulling my chariot. Balance the rotating assembly and it'll live.

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Objects In Mirror Are LOSING

I think 400hp is a very achievable goal with a head swap. Did you want to run the stock heads? or is just the block your concerned with. I would just install ARP studs in the mains. From what Ive read on another post "if you need splayed mains you need a aftermarket block"

just remember this, too much horsepower out of that engine and you may no longer have a numbers matching engine...i highly recommend an engine swap if you plan on running it often or hard because if it's a numbers matching car, you don't wanna ruin it. hence why my car will not sport my 305 so long as i'm power crazy. i don't care if i throw a rod in my 355, the 305 i care about a LOT.

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Click here, it'll explain it all (http://memimage.cardomain.net/member_images/1/web/265000-265999/265597_11_full.jpg)

thanks.
400 is pretty respectable for a street machine. I thought it would be less actually. Cool.
Thanks for the help.
Now what exactly would you suggest for internals, can I achieve 400 horses on only a head swap and new ARP studs? Can I have a 9.5:1 comp. ratio and achieve 400 hp? Right now as it stands, I definitely could use a bottom end rebuild, my compression in psi ranges from 40-70, I can't believe it runs so good. Any parts suggestions for that, do I need an aftermarket steel crank, or can I use a remachined stock crank? I need the car to be streetable (above 14 mpg)because of gas prices but I also would like power, can it be done? Would I have to use a special type of piston for 400 hp. Can I make 400 hp at 14 mpg? Thanks.

Renegade

luda,

A buddy of mine said something about that too. If I were to just pull my orginal out, what is a good way to store it so that it doesn't rust shut? Around where I live a performance built 350 can be bought for $1350 rated at 350 hp. Which isn't bad, right? My problem really is storage, I don't have much more room in my garage, and I worry about the block rusting.
Any further suggestions?
Thanks.

Renegade

well, honestly, i haven't stored mine yet...however, i'll tell you how my dad has kept my 355 from rusting shut under the el camino...he keeps it full of fluid and every 6 months or so, he'll take a drill out there and turn the engine over so that it goes through a few cycles and works itself lose from any point it may have been starting to rest at. also, they have anti-seize that will keep your pistons from seizign in the cylinder or will break them free if they do seize. OR, you can break it completely doesn't and store it in a really dry spot...covers up of course, and a thin layer or oil wouldn't hurt it either.


as for that street motor, it's not too bad but can be done for much cheaper. it'll take a lil more time, work, and effort to find deals and do the work yourself. assuming i was buying my cam and got ceramic coated headers, i'd be building mine for about $960, but that also includes doing my exhaust too. that's cam, headers, mufflers, intakes, and machine work. but then again, i also don't know exactly what my engine will put out when all is said and done, which i kinda like...some folks might not like that. it's really up to you about how you wanna tackle your quest for horsepower...so long as you make it there.

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Click here, it'll explain it all (http://memimage.cardomain.net/member_images/1/web/265000-265999/265597_11_full.jpg)

A 1980 LM1 block should be a 2 bolt 207 casting.

I have one in my turbo camaro making well over 400 crank HP.