350 intake manifold fit on 305? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

OrrieG · 10-23-2010, 01:28 PM

I have a guy that wants to buy a 350 manifold from me for his 305. Wiill it fit?

sgtusmc · 10-23-2010, 02:37 PM

Older model carb manifolds 350/305 engines will interchange. Newer F/I engines are somewhat different (I think) I remember hearing something about a different bolt pattern or 2 extra bolt holes somewhere.

raycow · 10-23-2010, 03:42 PM

Quote:

Originally Posted by OrrieG

I have a guy that wants to buy a 350 manifold from me for his 305. Wiill it fit?

Maybe, depending on the year. The heads/intake changed in 87. If both engines are before or after the break you will be good to go.

Ray

OrrieG · 10-23-2010, 04:32 PM

Thanks for the info, I'll let him be the judge. Patrick

mr48chev · 10-23-2010, 09:12 PM

If both are pre 1986 it will work and if both are post 1986 it will work but the two don't mix well.
The later intakes have at least some of the bolts going straight up while the early intakes have the bolts going in at a 90degree angle to the intake surface of the heads.

Here are two links off ebay
later style intake http://cgi.ebay.com/ebaymotors/SBC-e...item230afa82ac

Early style
http://cgi.ebay.com/ebaymotors/Edelb...item2c584a6d1a

Once you look at both the differences become pretty obvious.

OrrieG · 10-24-2010, 12:16 AM

Thanks for the photos.

10-23-2010, 01:28 PM	#1
OrrieG Registered User Join Date: Jun 2006 Location: Idaho Posts: 8,800	350 intake manifold fit on 305? I have a guy that wants to buy a 350 manifold from me for his 305. Wiill it fit? __________________ 1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread 1964 Chevelle Malibu w/ 355-350TH (daily driver) Helpful AD and TF Manual Site Old Car Manual Project

10-23-2010, 02:37 PM	#2
sgtusmc Registered User Join Date: Mar 2008 Location: Cali. Posts: 958	Re: 350 intake manifold fit on 305? Older model carb manifolds 350/305 engines will interchange. Newer F/I engines are somewhat different (I think) I remember hearing something about a different bolt pattern or 2 extra bolt holes somewhere. __________________ My build, 53 GMC / S10 swap http://67-72chevytrucks.com/vboard/s...d.php?t=305723 My build, 59 Chevy / 88 fullsize swap http://67-72chevytrucks.com/vboard/s...hlight=sgtusmc U.S. Marines - Certified Counselors to the 72 Virgins Dating Club.

10-23-2010, 04:32 PM	#4
OrrieG Registered User Join Date: Jun 2006 Location: Idaho Posts: 8,800	Re: 350 intake manifold fit on 305? Thanks for the info, I'll let him be the judge. Patrick __________________ 1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread 1964 Chevelle Malibu w/ 355-350TH (daily driver) Helpful AD and TF Manual Site Old Car Manual Project

10-23-2010, 09:12 PM	#5
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,410	Re: 350 intake manifold fit on 305? If both are pre 1986 it will work and if both are post 1986 it will work but the two don't mix well. The later intakes have at least some of the bolts going straight up while the early intakes have the bolts going in at a 90degree angle to the intake surface of the heads. Here are two links off ebay later style intake http://cgi.ebay.com/ebaymotors/SBC-e...item230afa82ac Early style http://cgi.ebay.com/ebaymotors/Edelb...item2c584a6d1a Once you look at both the differences become pretty obvious.

10-24-2010, 12:16 AM	#6
OrrieG Registered User Join Date: Jun 2006 Location: Idaho Posts: 8,800	Re: 350 intake manifold fit on 305? Thanks for the photos. __________________ 1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread 1964 Chevelle Malibu w/ 355-350TH (daily driver) Helpful AD and TF Manual Site Old Car Manual Project



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