84CUCV
3/4 ton status
complete, wants 350 for it. all he can tell me is that it spins. doesnt know a thing about it. what can you guys tall me about it. thanks
84CUCV said:complete, wants 350 for it. all he can tell me is that it spins. doesnt know a thing about it. what can you guys tall me about it. thanks
!I'm building a 455 for my blazer. Of course, mine is going to be bored .030, hot street cam put in and some other work. I'm hoping to get 500hp at the flywheel and more than 600ft/lbs of torque. All in all, I'll have about $2k in the whole motor with labor and everything.Snowman1000 said:Great engine grandpa swore by it TORQUE MONSTER give it a good lookover and id say sure but id wait for someone elses opinion. But I would,great reliable engine

I run one in my 74 chev pickup. WOW! If you have the letter ''c'' they are the best heads from the factory that you will find. The ''f'' heads are better, but very rare. if ''c'' heads, it probally has 10.5 compression pistons, and if it had the W-30 cam from a 442, it would have 390 h.p., 510 tourque. These numbers were from Olds, and were way under rated for insurance reasons. In the early diesel days, before chips,big exhaust etc, I could blow the doors off of powerstrokes, and cummins thru the lights. Of course they had better towing power, and overdrives, and the freeway was all abuot them. If the engine is in good shape, or could be rebuilt to high performance specs, you'll have a great engine.84CUCV said:complete, wants 350 for it. all he can tell me is that it spins. doesnt know a thing about it. what can you guys tall me about it. thanks
The sand wasn't the difference. Olds used a higher nickel content in their blocks. A 2-bolt Olds engine is greater than or equal to a 4-bolt Chevy motor.Snowman1000 said:One of the reasons my grandpa told me that he chose the 455 was that when it was cast they had a different way of doing it other than sand or somthing like that. Because I guess other companies were leaving some sand in the cooling passages of the engines and it would create hot spots and cause engine problems. Which olds did not I guess ill have to ask him again.
This is true to a point... it's a problem, yes. However, it's not a starvation problem. The Olds design flows too much oil to the upper end, starving the main and rod bearings in higher RPM's. There's a couple of mods to counter act this. Using press or screw in restrictors (I suggest the latter) to restrict oil flow to the top end and enlarge the return orifices in the head and block.Brians89K5 said:olds engines are good, but they ave oil flow problems up around 4500 RPM. Good torque engines though. If your not going to spin it a lotta RPM then have a blast.
~Brian
Brians89K5 said:olds engines are good, but they ave oil flow problems up around 4500 RPM. Good torque engines though. If your not going to spin it a lotta RPM then have a blast.
~Brian
