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Author
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Topic: cleveland heads on 302....intake question
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'69PonyRider
Gearhead Posts: 231
From: Hawthorne, CA
Registered: Sep 2001
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posted 11-22-2003 11:46 PM
   
Im asking this for one of my friends. He is planning on running a 302 block with cleveland heads, are there any intakes that will fit this type of combo? Is it possible to run an EFI intake, such as a 5.0? Im asking for either 2V or 4V heads. It would be cool to see a cleveland headed 302 with EFI.Aldo
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Hans olsson
Gearhead Posts: 622
From: Sweden
Registered: Apr 2000
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posted 11-23-2003 06:56 AM
All intakes that fits a Boss 302 will work.
You need to match the runner size,Boss 302 heads are the same as 4V cleveland heads.
Hans------------------
- 71 Mach 1 Ram-Air
- 351C 4V 285 HP
- F-G/Stock Aut
- Stockers are way cool!
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Mooney
Gearhead Posts: 1580
From: Marietta, Ga
Registered: Oct 2003
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posted 11-24-2003 10:07 AM
How much of a gain over valve size and combustion chamber volume would you gain by using Cleveland heads? And are they bolt ons?
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Mpcoluv
Gearhead Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001
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posted 11-24-2003 11:09 AM
quote:
Originally posted by Mooney:
How much of a gain over valve size and combustion chamber volume would you gain by using Cleveland heads? And are they bolt ons?
While they WILL bolt right on, this is a hard way to achieve more airflow.
Aftermarket windsor heads will be cheaper in the long run. IMHO there is no good reason to do this swap these days......
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'69PonyRider
Gearhead Posts: 231
From: Hawthorne, CA
Registered: Sep 2001
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posted 11-24-2003 12:13 PM
Why do you say in the long run? Are there some hidden expenses behind this swap?Aldo
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JCQuinn@work
Gearhead Posts: 826
From: Lakewood, CO, USA
Registered: Jun 2001
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posted 11-24-2003 01:04 PM
I'm not sure of the availability of Boss 302 manifolds. I suspect you will be shopping for used parts and rare ones at that.Cleveland heads physically bolt up but Clevelands have different water passages at the front of the heads. I can't remember exactly how to modify but you have to drill a water passage in the deck surface of the Cleveland head and plug a water hole in the manifold face. Some Boss 302 manifolds will seal the water hole and some won't. Hopefully someone who remembers the exact details will respond to the thread. I agree with Mpcoluv, it would be better to just use some aftermarket Windsor style heads. You will get much better mid-range torque and probably a much higher average horsepower. In order to make horsepower Boss 302's need to turn 10,000 RPM. That is very expensive. John
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JCQuinn@work
Gearhead Posts: 826
From: Lakewood, CO, USA
Registered: Jun 2001
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posted 11-24-2003 03:40 PM
I think I got it backwards. You have to drill a hole in the manifold face and plug one in the deck face.Confusion, confusion I haven't messed with Boss 302's since the mid 70's. John
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markboss
Journeyman Posts: 37
From: orlando,fl,usa
Registered: Apr 2003
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posted 11-24-2003 06:59 PM
You will need to change to Boss 302 pistons ($300 to $500), also need a Boss 302 intake ($300-$400, headers, or Boss 302 exhaust manifolds ($600-$800).....You would be better off using a roller 302, with aluminum after market heads....I own a 70 Boss 302!! Just my $.02 worth...[This message has been edited by markboss (edited 11-25-2003).]
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Moneymaker
Administrator Posts: 25883
From: Lyons, IL, USA
Registered: May 99
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posted 11-24-2003 07:20 PM
Not that I would do it again, but didn't somebody buy the tooling from B&A, the Track Boss outfit that produced the 351C head on a 289/302 bolt on intakes?  ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,&'03
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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markboss
Journeyman Posts: 37
From: orlando,fl,usa
Registered: Apr 2003
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posted 11-25-2003 02:40 PM
The B A trackboss was for the 351C 2 barrel heads.....then you had to drill a hole in the cleaveland heads for the water ports..
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n2oMike
Gearhead Posts: 2419
From: Spencer, WV
Registered: Jan 2001
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posted 11-25-2003 03:02 PM
Try this...http://www.themustangshop.com/clevor.cfm Good Luck! ------------------
Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/carbedstangs/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367
http://www.mustangworks.com/cgi-bin/moi-display.cgi?220
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