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Pontiac Forum: 301 What trans?
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  #11  
Old November 13th, 2017, 10:20 PM
D Berry D Berry is offline
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A 359 Pontiac would be dandy but they're kind of rare aren't they?
Sorry. I meant 350, after it was posted I saw what I had done and tried to edit it and was apparently unsuccessful even in that. The trans may very well be metric, and now I learn the brackets would probably have to be replaced because the 301 has a different deck height. Well I'm starting to think that an engine swap is not in my future unless I pay someone else to do it. A four barrel intake would be nice but do they even exist?

Last edited by D Berry; November 13th, 2017 at 10:51 PM. Reason: add more text
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  #12  
Old November 14th, 2017, 11:19 AM
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there are no aftermarket intakes for the 301
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  #13  
Old November 15th, 2017, 04:45 PM
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They did make stock 4bbl intakes for 301's, I had a 79 4bbl 301 powered Firebird Formula. Here is a site that lists a used one for sale

http://www.tacreationsusa.com/intake_manifolds.htm
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Old November 17th, 2017, 12:37 PM
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Originally Posted by melsg5 View Post
there are no aftermarket intakes for the 301
I looked on Amazon and they have a number of Edelbrock 71564 Performer RPM intakes listed, new for around $450. Of course they could have been out of production for years now. For twice that amount you could go a self learning FI setup like Holley, if they even make it for a two barrel Rochester intake.
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Old November 17th, 2017, 01:51 PM
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the 71564 is a current production manifold and does NOT fit the 301. You need a factory 4bbl for the 301, maybe from a junk yard.
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Old November 18th, 2017, 10:19 AM
D Berry D Berry is offline
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You are correct, I went back to Amazon and typed in "Pontiac 301 intake manifold" just like before and got the same page. It doesn't even say what size engine it fits which as I look around seems to be the theme with the ads for intakes. Apparently all the engines take the same intake except the 301. Hate to admit it but if there is a engine swap in my future it'll have to be SBC.
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Old November 18th, 2017, 10:33 AM
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thats not an ususual swap and is pretty easy other than the transmission bolt pattern being different and requiring an adapter.
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Old November 19th, 2017, 01:43 PM
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I just don't understand why it has to be a small block Chevy if you do the swap? If you plan on doing a LS or Gen V swap then I understand the thinking. But they will not be unexpensive.
To swap in a SBC you will have to change the Frame plates for the engine mounts, change the trans, or get an adaptor plate, (the adaptor plate is cheaper and easier, but then you have to shorten the driveshaft by the same measurement of the thickness of the adaptor plate. You will still have to swap out all the accessory brackets unless the doner engine comes with all of them you need.
Putting in a Pontiac 350, 400, or 455 would only require the accessory brackets to be swapped if the doner engine does not come with them. They bolt up to your trans, mount with the same motor mounts, and your drive shaft will work unmodified.
A SBC is really not that much cheaper to build than a 400 or 455 Pontiac, and definatly would require less work to install.
I only suggest you look at the cost of the complete conversion before making up your mind. All those little $100 dollar parts add up fast to real money. I know because I have gone down that road in the past.

And if you are looking for a 301 4bbl intake it would have to be a used stock part. The 301 intake only fits that engine and the even smaller Pontiac 265 V8

I did find a Forum dealing with the Pontiac 301 & 265 V8's it may help with your current engine. I am definatly not an expert on the 301's. I know just enough to be dangerous.

http://www.301garage.com/forum/
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