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12-13-2017, 12:06 AM | #1 |
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Join Date: Oct 2017
Location: Huntersville NC
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New GM Performance 350 crate question
Good evening,
Bought my 63 step with a 327 and 3 on the tree this summer. Didn't get to drive it much before the 327 gave out. Just got my 290 hp GM performance 350 crate and everyone says my intake and carb will work from the Sbc 327, the 327 intake has the oil filler neck and spring running to the carb, I have not seen this on a 350. Looking for input on if this will work on the new engine. And yes, I am a Noob. Thanks, love the site and the posts people share. Jim |
12-13-2017, 12:53 AM | #2 |
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Re: New GM Performance 350 crate question
Did you know it’s not good to ask the same questions in several different places. It’s actually agin the rules.
Just sayin’! |
12-13-2017, 12:54 AM | #3 |
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Location: Huntersville NC
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12-13-2017, 12:55 AM | #4 |
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Join Date: Oct 2017
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12-13-2017, 01:03 AM | #5 |
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Re: New GM Performance 350 crate question
If you get it in the wrong section you can always get it moved by a moderator. It might take a little while, but it can be done.
And welcome to the jungle!! |
12-18-2017, 12:05 AM | #6 |
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Location: Alcoa;Tn
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Re: New GM Performance 350 crate question
Yes. Your intake will bolt right up to a 350.I dont know if this motor has vortec style heads or not.If they are vortec, they wont work.The intake bolt pattern is different.
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'71 Cheyenne Super LWB - Second Owner in 39 Years! '70 CST/10 SWB - Soon to be Daughter's truck when finished |
12-18-2017, 11:57 PM | #7 |
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Re: New GM Performance 350 crate question
The 290 horse crate engine should not have Vortec heads. Your manifold will work with it. The reason you haven't seen the combination before is that the factory changed the design of the manifold about the same time as the 327 went away.
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I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson |
12-19-2017, 12:02 AM | #8 | |
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01-27-2018, 12:44 AM | #9 |
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Location: Oklahoma City Oklahoma
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Re: New GM Performance 350 crate question
The 350/290 DOES NOT have vortec heads on them. I'm in the slow process of doing this evil but hi hp and torque switchover. Smaller 64cc chamber. 8.9-9.0 to 1. Head gasket thickness- from .015 thou thick 9.43:1 work up from there. New intake manifold And Carburetor if working that angle. I am. I am a Weiand and Holley guy. New purchase Edelbrock 7116 Performer RPM and Either a Holley 1850-5 600 or a 3310-4 750. Weiand alum water pump MSD 6a ignition. Now the Hard part, 700R4. I was gonna use a Comp XE 268 kit because I already have it. I don't need 5800 rpm top end. Probably gonna go with K Kit w/XE 256 or 262 cam $335.00. Heads free but with machine work $500.00 for valve job. Edel 7116 =$186.00 it came wit intake gaskets and ARP intake bolts and ceramicote metallic finish.
Wish me money & luck. |
01-27-2018, 06:33 AM | #10 |
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Re: New GM Performance 350 crate question
If you are 100% period correct you will have to address the PCV; either hiding it or just using it and not be 100% period correct. That means you may or may not be able to use those pretty 327 valve covers.
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01-27-2018, 11:31 AM | #11 |
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Re: New GM Performance 350 crate question
No vortec heads on the 290 so you're fine. Should bolt right up. What's with all the hall monitors on this site being grumpy about? I bet very few people read the "rules" on posting. I think it's worse to see this rudeness towards new enthusiasts than a double post. Moderators jobs are to inform and correct not everyone elses. Welcome to the forum! You're going to have a lot of fun with these old trucks and there is tons of information here and lots of helpful people!
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http://67-72chevytrucks.com/vboard/s...25#post7532025 71 Cheyenne K10. 283/Th350/NP205. 3.07s non posi. 31x10.5 Bighorns.L31 350 Vortec swap in progress. 79 Suburban K20. 350/350. 6" lift. 35x12.5 Toyos. 93 Burb K1500. 350/4l60e Parting out. 2001 Tahoe LT, 5.3, autoride, 265/75s, leather, loaded, family hauler, 243k miles! |
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