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  Mustangsandmore Forum Archive
  '64 1/2 to '68 1/2 -- The Classic Mustang
  itty bitty intake question

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Author Topic:   itty bitty intake question
sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-04-2001 01:26 AM     Click Here to See the Profile for sigtauenus        Reply w/Quote
Alex, I got a ? about the C9OX intake. I think I remember you saying its a really good for small blocks, but for some reason I thought it might have come originally on 351W's, in which case it wouldn't work on my 302.

Is it a 289/302 intake or a 351W intake?

TomP
Gearhead

Posts: 6376
From: Delta BC Canada
Registered: Dec 99

posted 04-04-2001 03:50 AM     Click Here to See the Profile for TomP        Reply w/Quote
there is one for both types... easy the visually see the difference, the 351W intake is at least 2" wider.

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-04-2001 09:45 AM     Click Here to See the Profile for sigtauenus        Reply w/Quote
oh, so I have to trust this guy on it then. Otherwise I might buy something only to have to turn around and try to sell it again.

Tom351
Journeyman

Posts: 93
From: Marietta,GA
Registered: Mar 2001

posted 04-04-2001 11:53 AM     Click Here to See the Profile for Tom351        Reply w/Quote
You could have him measure the distance across the width between bolt holes and make sure it matches what you need.

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67 Fastback - Arctic White Pearl paint
351W ,Trick Flow Aluminum Heads, Edelbrock TorkerII, Carter 750 CFM, Comp. Cam 477/510 219/[email protected], Performance Automatic C-4 Trans, 3.55 gears, Front Disc Brakes, 1-1/8" Fr. 3/4" rear sway bars.

cobraii351
Journeyman

Posts: 87
From: Altoona, PA
Registered: Jun 2000

posted 04-04-2001 12:08 PM     Click Here to See the Profile for cobraii351        Reply w/Quote
Also the 351 intakes will have 4 extra bolt holes in the corners.

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-04-2001 02:34 PM     Click Here to See the Profile for sigtauenus        Reply w/Quote
quote:
Originally posted by cobraii351:
Also the 351 intakes will have 4 extra bolt holes in the corners.

Ahah!, so I should be able to tell from a picture. I'll go check into it. Thanks guys!!

racin jason
Gearhead

Posts: 291
From: Sidney, OH
Registered: Jun 99

posted 04-04-2001 05:46 PM     Click Here to See the Profile for racin jason        Reply w/Quote
351w is C9OX-9424-A, 289/302 is -B

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-04-2001 08:14 PM     Click Here to See the Profile for sigtauenus        Reply w/Quote
quote:
Originally posted by racin jason:
351w is C9OX-9424-A, 289/302 is -B

ok, now Jason is the man. It is a -B and I checked the pic, only one hole in the corners. Thanks again guys.

mellowyellow
Gearhead

Posts: 8198
From: So. Fl.
Registered: Aug 2000

posted 04-04-2001 11:13 PM     Click Here to See the Profile for mellowyellow        Reply w/Quote
According to Alex, that manifold is basically the same as the old Cobra intake only he says the C9 flows better. Have looked at a few Cobras on the ground at swap meets, be careful of cracked ears or ends. I remember one at Pensacola MCA a few years back that had been heliarced. A neat job but it was damaged goods. I saw one here locally that was cracked. Not wanting to rain on your parade but.......let the buyer beware.

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-05-2001 01:03 AM     Click Here to See the Profile for sigtauenus        Reply w/Quote
quote:
Originally posted by mellowyellow:
be careful of cracked ears or ends......let the buyer beware.

Pete, already thought of that. I specifically asked that and got the reply that it had no such problems. I will of course pay with postal money order in case I'm not satisfied...my new way of doing business since I heard that seller can be charged with mail fraud if he misrepresents a part.

Moneymaker
Administrator

Posts: 29200
From: Lyons, IL, USA
Registered: May 99

posted 04-05-2001 11:11 AM     Click Here to See the Profile for Moneymaker        Reply w/Quote
C90X-9424-B is the correct FoMoCo Muscle parts intake number for installing 351W heads on a 289 block. It is the best 180 degree intake ever made for a 289-302 W! No brag, just fact!

------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-05-2001 05:01 PM     Click Here to See the Profile for sigtauenus        Reply w/Quote
one other thing fellas. Will it work with both autolite and holley carbs? I'm still using a 4100 but would like the option to upgrade in the future.

SteveLaRiviere
Administrator

Posts: 48752
From: Saco, Maine
Registered: May 99

posted 04-05-2001 05:03 PM     Click Here to See the Profile for SteveLaRiviere        Reply w/Quote
Yes, the 4100 and the Holley pattern are the same.

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'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L Disposable Commuter
"Keep your driveway all Ford!"

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-05-2001 05:57 PM     Click Here to See the Profile for sigtauenus        Reply w/Quote
COOL!! I hear what you're saying and I like it alot.

Moneymaker
Administrator

Posts: 29200
From: Lyons, IL, USA
Registered: May 99

posted 04-05-2001 08:18 PM     Click Here to See the Profile for Moneymaker        Reply w/Quote
Remember if you ever want to sell that intake I get first dibs! It works especially well with a 1.12 600 CFM Autolite carb with mechanical secondaries.

------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-05-2001 08:30 PM     Click Here to See the Profile for sigtauenus        Reply w/Quote
My 4100 is a 1.08, so 480 cfm? For some reason the core charge at Pony Carbs is higher for the 1.08 than it is for the 1.12, so I'm going to see if I can't trade them mine 1.08 for a rebuilt 1.12 when I'm ready for the upgrade.

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-08-2001 01:06 AM     Click Here to See the Profile for sigtauenus        Reply w/Quote
Alex, I'm afraid I let that first C9OX slip through my fingers, BUT I'm talking with somebody else about another...we'll see what happens.

Anyhow, I heard that Ford Motorsports is putting out the same casting under part # M-9424-A321. Is that true? I think he said it lists for about $175.

Would you say the motorsport intake is as good as the original C9OX is?

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-09-2001 02:47 PM     Click Here to See the Profile for sigtauenus        Reply w/Quote
I've got two sellers on the C9OX, one wants $250, the other $275, which is higher than I expected but they're both in the same ballpark, and its still cheaper than a Shelby intake.

I have heard that the Motorsport intake I listed in previous post is so close to the original intakes that its authorized in vintage racing. It looks the same anyhow.

If the only real difference is the name cast into it, I think I'd rather have a new one for $175 than a used one for $250.

Alex,if you want the emails of those guys who have them for sale, let me know, or if you think the price is too high or a deal, let me know that too.

sprcoop
Gearhead

Posts: 780
From: Tucson, AZ usa
Registered: Jan 2000

posted 04-09-2001 08:48 PM     Click Here to See the Profile for sprcoop        Reply w/Quote
How does the CX90 compare with the RPM Air-Gap? Are they for different applications?

Alex, what do you mean by 180 degree? If it is the same or better I would rather have the Motorsport # M-9424-A321 for $175 than the Air-Gap for $200 or better.

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Candy Apple Red
66' Coupe
Wide Ratio Toploader
2V 302 (icky!)
15" Styled Steel Wheels

Moneymaker
Administrator

Posts: 29200
From: Lyons, IL, USA
Registered: May 99

posted 04-10-2001 11:35 PM     Click Here to See the Profile for Moneymaker        Reply w/Quote
FRPP and C90X are not the same! They are similar in appearance only. Much smaller runners on the FRPP intake. I would use an Edelbrock Air Gap over the new FRPP 180 degree intake. 180 degree intake has over and under runners which feed cylinders on opposite sides with a siamized plenum. Unlike an open plenum Victor Jr with straight on runners.

------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

sigtauenus
Gearhead

Posts: 3969
From: Va Beach
Registered: Jun 2000

posted 04-11-2001 12:21 AM     Click Here to See the Profile for sigtauenus        Reply w/Quote
quote:
Originally posted by Moneymaker:
FRPP and C90X are not the same! They are similar in appearance only. Much smaller runners on the FRPP intake. I would use an Edelbrock Air Gap over the new FRPP 180 degree intake.

Thanks Alex, guess that means I'll have to ante up to the $250 bucks!!

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