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Old 04-11-2005, 09:33 PM
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Pushrods for 350sb chevy?

I finaly got my new motor for my camaro. About the only thing that I need is some decent push rods (sence I think maby 1 or 2 were laying with the motor). Also any one know what kind of hp I'm looking at with a decent carb, intake, cam, and headers?

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Old 04-11-2005, 09:41 PM
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Well, with a cam like that, and a carb, headers, 'bout a million and two thirds . Seriously, we need specs, compression ratio, cam lift, duration, LSA, heads, intake. With just
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a decent carb, intake, cam, and headers
, even a guess isn't possible.
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Old 04-11-2005, 09:41 PM
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More than 100 and less than 1000.

No way of telling based on the information you gave us.

We need compression, cam specs, carb size, intake type, exhaust system information etc. Just too many variables to start throwing parts together and guessing numbers.

Edit - Looks like someone beat me to the ******** answer lol
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Old 04-11-2005, 09:47 PM
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Alright well what about push rods?

I have no idea what cam I'm going to go with. I figure I might run it with the stock cam at first. I will have to post pics of the heads as the valves are realy big. Basicly I'm building this up to replace stock 305 thats in it. I think the 78 camaro with 305 was rated at 170 or so HP. I'm hoping to do 300-400 hp. Do you think this is resonable out of a 350 or no?
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Old 04-11-2005, 09:53 PM
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300-400 hp is not too hard in a 350. Costs money, though. As for push rods, the stockers are okay, if you feel the need to go aftermarket JEGS or SUMMIT or even GMPP can help you out. I have run 400hp on stock pushrods with no problem. If you are only replacing the old 305 with a 400hp 350, you probably will start toasting trannies & rear ends. Not to mention the brakes may not be up to par to stopping you now that you have a decent engine under the hood.
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Old 04-11-2005, 09:56 PM
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Quote:
Originally Posted by hcker2000
Alright well what about push rods?

I have no idea what cam I'm going to go with. I figure I might run it with the stock cam at first. I will have to post pics of the heads as the valves are realy big. Basicly I'm building this up to replace stock 305 thats in it. I think the 78 camaro with 305 was rated at 170 or so HP. I'm hoping to do 300-400 hp. Do you think this is resonable out of a 350 or no?
The valves are really big...like 4" - 5"?

300 to 400 hp is not hard to obtain, but you would do well to learn a bit more about engines...and don't worry, we will help if you want to learn.

This 350, what year is it and what is it out of?
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Old 04-11-2005, 09:59 PM
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How far do you think would be safe to go without replacing the rear end and tranny? Do places like advance auto sell stock push rods? About what are they going to run?

EDIT:
It came out of a 4wd truck I do beleave. I got it threw a friend for about $350 usd. Nothing seems to be locked up. Cylinders need honed sence the heads were off for a while. No lip on the top of the cylinders
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Old 04-11-2005, 10:02 PM
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Quote:
Originally Posted by hcker2000
How far do you think would be safe to go without replacing the rear end and tranny? Do places like advance auto sell stock push rods? About what are they going to run?
Advance auto parts should have stock pushrods. I bought some stock ones for a 350 about 2 weeks ago from oriellys for 18 bucks for the whole set. They are not that expensive.


Brad
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Old 04-11-2005, 10:09 PM
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For push rods I go to JEGS and get THESE I need hardened ones for valve guides but it's only $21 for a set for 16. Pretty darn good. They have worked well for me.
I needed hardened ones and when I went to AA they just looked at me like I was nuts and wanted to sell me reg. ones. I just smiled and said no thanks I don't need their special order $6 a rod ones lol.
As always with push rods make sure you check out inside the tube just in case there is dirt. If any is there normally a good blow from a compressor gets it done.

Chris
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Old 04-11-2005, 10:11 PM
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Quote:
Originally Posted by hcker2000
How far do you think would be safe to go without replacing the rear end and tranny? Do places like advance auto sell stock push rods? About what are they going to run?

EDIT:
It came out of a 4wd truck I do beleave. I got it threw a friend for about $350 usd. Nothing seems to be locked up. Cylinders need honed sence the heads were off for a while. No lip on the top of the cylinders
What are the casting numbers? Look on the back of the engine, drivers side on a pad right above where the transmission bolts up.

I don't think your going to have a problem with trans or rear unless they are in bad shape already.
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Old 04-11-2005, 10:13 PM
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Very cool I was thinking stock ones wouldent be. Also the big valve on the head is some thing like 2 inches and the other one is about 1 3/4.
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Old 04-11-2005, 10:17 PM
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Answer these questions:

1. Engine casting number?

2. Head casting number?

With these numbers we can help you far more than any other way.
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Old 04-11-2005, 10:18 PM
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Quote:
I don't think your going to have a problem with trans or rear unless they are in bad shape already.
Just assuming(I know, ***-u-me) that from 1978, they might be a little tired. Plus, that diff wasn't too stout to start with.
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Old 04-11-2005, 10:23 PM
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Car actualy only has 109,000 miles on it (not bad for a car of this age). I'll have to check on the casting numbers. I'm at work right now.
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Old 04-12-2005, 12:47 AM
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If ya got a camaro built an LT1 motor out of your 350 for it. I had thoughts of doing factory engine builts. Only hard thing about doing the LT1 is finding Fuellie heads and affording the 11:1 Forged pistons from TRW. I dont know what its like in the states tho. In New Zealand we are lucky to find uncracked fuellie heads at all
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