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Old 05-19-2010, 06:55 PM
WesTXmc's Avatar

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Mild 350 SBC Build

It's been 4 months since my last post! Please forgive me. I have been neck deep into a 4.9 Caddy swap into an 88 Fiero and it is now time to get back to my Monte.

Here's what I have:

1970 Monte - 350/350. I have taken the motor apart and had the machine work done - it was the original 300hp 350 4 bolt. It is now 0.30 overbore and I have pruchased flat top 4 valve relief hyperutectic Sealed Power pistons.

What I want:

I want to bump up the performance a little with a cam/intake setup. Looking for any and all suggestions on what combo I should use. I have a stock - new Q Jet carb or an Edlebrock 700 or 750 CFM carb (can;t remeber what it is) and I have an accel elecronic dizzy or can use the stock point setup. The car will be driven on Rod runs and an ocaisional trip to work, etc. Not looking to make a rumpty rump fire breather but want a little Hot Rod rumble.

I have everything setup and ready to go except for intake and cam. Thanks in advance for your replies.


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Old 05-19-2010, 07:19 PM
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depends on how mild you mean by mild, but for about $140 you can pick up a 327 350hp cam and lifter kit (.447 lift 290 duration) off of ebay. has a mild rough idle but is pretty street friendly not requiring thwe purchase of a stall convertor. And and Edelbrock Airgap intake or performer with either carb.

But not know what heads and exhaust your running and what your horsepower goals its really hard to say much more then the things above
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Old 05-19-2010, 07:31 PM
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Thanks for the reply - using the stock heads - 041 castings with stock valves /hardened seats. The motor was rated @ 300hp. Anything above that that is driveable on the street is good. It will be more of a cruiser/driver than anything else. Will also be using stock exhaust manifolds to start as I just hed all new exhaust built prior to tearing it down. I may go with some headers down the road.
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Old 05-19-2010, 10:05 PM
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I wouldn`t use the 350 horse 327 cam, that`s 40 year old technology.
I`m curious do you know the part number of the pistons you got? They could be "rebuilder" pistons that have a lower compression height, if they are not only will you lose power, you`ll loose efficiency.
Since you want a noticeable idle, I recommend this cam:
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Old 05-20-2010, 03:20 AM
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Please post the compression height of the pistons. The ones to use have a C.H. of 1.560". Cheapo "rebuilder specials" are 1.540". Setting the squish properly depends on getting this right.
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