Author Topic: Will an oval port manifold fit my 454?  (Read 2807 times)

Offline 1976Scottsdale

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Will an oval port manifold fit my 454?
« on: February 10, 2009, 09:41:43 PM »
Okay so I got my 454 home and was wondering, since I have pulled the intake a verified that it has the peanut port heads on it, I was wondering if an oval port intake will work with those heads or does it have to have an intake for the peanut port heads?  I plan to at some point get some better heads, but for the first year or two this thing is around... mostly while I finish school, it has to keep the peanuts.

Offline 80stepsideguy

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Re: Will an oval port manifold fit my 454?
« Reply #1 on: February 11, 2009, 02:41:03 AM »
I think it is the same but you probably wont get the perfomance your looking for with them heads.Look for a set of 781 or 049 oval port heads.Those i am told are good heads for a big block.And square ports are good for 1/4 mile and higher RPMS.IIRC

thanks
pat
1980 Chevy c10 restomod:  350/700r4 12 bolt 3.73 rearend iris blue metallic
1998 Chevy 1500 S/B 2wd
1970 cougar convertible: triple white 1 of 1
2014 Hyundai Tucson Limited(my everyday driver)
2017 Hyundai Tucson Limited(her everyday driver).

Offline Captkaos

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Re: Will an oval port manifold fit my 454?
« Reply #2 on: February 11, 2009, 11:03:26 AM »
There isn't a specific aftermarket "peanut" port intake, so use the Oval.  I ran mine that way for a couple years until I got better heads.

Offline 1976Scottsdale

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Re: Will an oval port manifold fit my 454?
« Reply #3 on: February 12, 2009, 01:04:16 PM »
Cool. I Found One Peanut Port Aftermarket Intake In Jegs But I Would Prefer Not To Buy Two Intakes If I Can Use One For Both.

Offline 80stepsideguy

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Re: Will an oval port manifold fit my 454?
« Reply #4 on: February 12, 2009, 01:29:43 PM »
If you put the peanut port on a set of open chamber oval port heads the performance will still not be as good.Its like sucking a golf ball thru a garden hose(full metal jacket quote). Your better off staying with a stock intake for now or look on craigslist for a set of heads.I`m sure theres a set in your area for sale for like 300.00-500.00.

thanks
pat

p.s. i know you already know this but  remember big blocks ARE NOT CHEAP. I am piecemailing mine little by little before you know it you`ll have a engine that runs like a raped ape.
1980 Chevy c10 restomod:  350/700r4 12 bolt 3.73 rearend iris blue metallic
1998 Chevy 1500 S/B 2wd
1970 cougar convertible: triple white 1 of 1
2014 Hyundai Tucson Limited(my everyday driver)
2017 Hyundai Tucson Limited(her everyday driver).