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Author Topic:   351C Cam?
timjk
Journeyman

Posts: 55
From:
Registered: Oct 2001

posted 01-23-2003 02:58 PM     Click Here to See the Profile for timjk   Click Here to Email timjk     Edit/Delete Message   Reply w/Quote
Can you racers help we with a cam selection for my '72 Gran Torino Sport, 351C 4V, 3.25 gear ratio, auto trans.?
I'm looking for a hot street machine with good low end torque.
Also I'm a little confused about LDA, what's the best way to go here for my application?
Another question, is there room in my heads for 1/2" O.D. valve guides without hitting water? Looks like this could be close!
Any help apreciated,
Tim

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timjk
Journeyman

Posts: 55
From:
Registered: Oct 2001

posted 01-23-2003 03:13 PM     Click Here to See the Profile for timjk   Click Here to Email timjk     Edit/Delete Message   Reply w/Quote
LDA? = Lobe Center Angle!

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kid vishus
Gearhead

Posts: 4538
From: middle of NC
Registered: Oct 2000

posted 01-23-2003 05:00 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by timjk:
Can you racers help we with a cam selection for my '72 Gran Torino Sport, 351C 4V, 3.25 gear ratio, auto trans.?
I'm looking for a hot street machine with good low end torque.

Sorry, with that combo it's not going to happen. The car is too heavy, the gear ratio too tall, and those heads tend to not make much low end torque as it is. 4v heads like rpm to make power.
Easiest way to get more "seat of the pants" acceleration of out of it, put a 4.11 gear in it.

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Dubz
Gearhead

Posts: 443
From: Manitoba Canada
Registered: Oct 2002

posted 01-23-2003 05:56 PM     Click Here to See the Profile for Dubz   Click Here to Email Dubz     Edit/Delete Message   Reply w/Quote
good to see another torino owner out here

i'd go with a 110 LDA for the street

------------------
1974 Gran Torino, 351W
1970 Mustang Grande, 289

Just a young buck

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Dubz
Gearhead

Posts: 443
From: Manitoba Canada
Registered: Oct 2002

posted 01-23-2003 06:02 PM     Click Here to See the Profile for Dubz   Click Here to Email Dubz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by kid vishus:
Sorry, with that combo it's not going to happen. The car is too heavy, the gear ratio too tall, and those heads tend to not make much low end torque as it is. 4v heads like rpm to make power.
Easiest way to get more "seat of the pants" acceleration of out of it, put a 4.11 gear in it.


the cars not that much heavier than a stang (mine according to a printout that came with the car from the factory says it weighs only 3600)...and i have 2.75 in my car at the moment


Tim, which tranny do you have in it?? i would strongly suggest a shift kit if it's a c6.

[This message has been edited by Dubz (edited 01-23-2003).]

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kid vishus
Gearhead

Posts: 4538
From: middle of NC
Registered: Oct 2000

posted 01-23-2003 07:00 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Dubz:
the cars not that much heavier than a stang...and i think i have 2.75 in my car at the moment



It may nbot be much heavier than a 71-73 mustang, but it is heavier, and they were some of the heaviest mustangs made. I would guess that Torino is somewhere around 3600-3800 lbs if not more, and that is heavy.

Anyways, nevermind then. I forgot that I really dont know anything about 351 clevelands.

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SteveLaRiviere
Administrator

Posts: 33371
From: Saco, Maine
Registered: May 99

posted 01-23-2003 07:03 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
My brother's '72 Torino is MUCH heavier than my '72 Mustang. {full frame vs unibody, not to mention it's much bigger}

------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

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Dubz
Gearhead

Posts: 443
From: Manitoba Canada
Registered: Oct 2002

posted 01-23-2003 08:29 PM     Click Here to See the Profile for Dubz   Click Here to Email Dubz     Edit/Delete Message   Reply w/Quote
mine weighed in at 3600 lbs, and it's longer than the 72...mustang is around what 3300?? 300 lbs difference...it's a bit but it's not like it's a 3 ton car

------------------
1974 Gran Torino, 351W

Just a young buck

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kid vishus
Gearhead

Posts: 4538
From: middle of NC
Registered: Oct 2000

posted 01-23-2003 08:35 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by kid vishus:
Sorry, with that combo it's not going to happen. The car is too heavy, the gear ratio too tall, and those heads tend to not make much low end torque as it is. 4v heads like rpm to make power.
Easiest way to get more "seat of the pants" acceleration of out of it, put a 4.11 gear in it.



I stand by my statement.

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Mpcoluv
Gearhead

Posts: 945
From: Charlotte NC usa
Registered: Apr 2001

posted 01-24-2003 06:38 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by timjk:
Can you racers help we with a cam selection for my '72 Gran Torino Sport, 351C 4V, 3.25 gear ratio, auto trans.?
I'm looking for a hot street machine with good low end torque.
Also I'm a little confused about LDA, what's the best way to go here for my application?
Another question, is there room in my heads for 1/2" O.D. valve guides without hitting water? Looks like this could be close!
Any help apreciated,
Tim

If you are only concerned about low end torque, put some Aussie 2V heads on it.
This of course will hurt top end power....
Really though you need more gears.....
Gears + 4V heads = more fun.....

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64FalconF-16
Gearhead

Posts: 191
From: Republic Of Texas!! Temporarily living in KY
Registered: Feb 2002

posted 01-24-2003 07:21 AM     Click Here to See the Profile for 64FalconF-16   Click Here to Email 64FalconF-16     Edit/Delete Message   Reply w/Quote
Comp Cams 268H. Put a set of 411 gears in it. Edelbrock performer dual plane intake.

You will not get hardly any low end torque out of a C with 4Vs. This combo is about as close as you can get. The 4V heads like high RPMS.

An even better combo is 268H cam with 2V aussie heads. They make a bunch more torque on the bottom end.

I have the 268H and Aussies on my Bronco and that motor (400) will haul that heavy truck real well.

------------------
Rick Austin

64 Pro-Street Falcon
351C 4V 8.1s in 1/8
79 Ford Bronco 4 X 4
400 9.9s in 1/8
2000 F-150 XLT 5.4L
1932 Ford 3 window Coupe
http://mustangsandmore.50megs.com/64FalconF-16.html

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timjk
Journeyman

Posts: 55
From:
Registered: Oct 2001

posted 01-24-2003 01:58 PM     Click Here to See the Profile for timjk   Click Here to Email timjk     Edit/Delete Message   Reply w/Quote
I think the best way to go would be a 460!But for now,I was just looking for the best set up for what I have, not wanting to over cam and all So what do you know about the 1/2" O.D. guides kid?

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timjk
Journeyman

Posts: 55
From:
Registered: Oct 2001

posted 01-24-2003 02:04 PM     Click Here to See the Profile for timjk   Click Here to Email timjk     Edit/Delete Message   Reply w/Quote
Oh, by the way Dubz, it is a C-6. A overhaul with a kit is in the works. That is if I really do stay with the 351. If I go for
a 429 or 460, It'll be another C-6.
What to do.....

Tim

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64FalconF-16
Gearhead

Posts: 191
From: Republic Of Texas!! Temporarily living in KY
Registered: Feb 2002

posted 01-24-2003 02:25 PM     Click Here to See the Profile for 64FalconF-16   Click Here to Email 64FalconF-16     Edit/Delete Message   Reply w/Quote
Can't help with the Valve guides. I am not sure what you are asking.

I still think the Aussies are less expensive than putting in a 429/460. More bang for the buck IMO.

The C has a small block bell housing so you would have to get a Big block C-6 too.

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kid vishus
Gearhead

Posts: 4538
From: middle of NC
Registered: Oct 2000

posted 01-24-2003 03:04 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by timjk:
ISo what do you know about the 1/2" O.D. guides kid?


Sorry, I'm no help. I dont know much about that stuff. I usually let the machine shop decide all that.

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timjk
Journeyman

Posts: 55
From:
Registered: Oct 2001

posted 01-24-2003 06:52 PM     Click Here to See the Profile for timjk   Click Here to Email timjk     Edit/Delete Message   Reply w/Quote
Actually, this particular Torino is quite light. I was an factory experimental all aluminum model that was accidently shipped out to a dealer and then sold. Don't tell anybody!

Tim

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Dubz
Gearhead

Posts: 443
From: Manitoba Canada
Registered: Oct 2002

posted 01-24-2003 08:54 PM     Click Here to See the Profile for Dubz   Click Here to Email Dubz     Edit/Delete Message   Reply w/Quote
i sence some sarcasm....

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timjk
Journeyman

Posts: 55
From:
Registered: Oct 2001

posted 01-25-2003 03:17 PM     Click Here to See the Profile for timjk   Click Here to Email timjk     Edit/Delete Message   Reply w/Quote
So back to one of my original questions. Has anyone heard of hitting the water jacket with 1/2" O.D. cast iron replacement valve guides in 351C heads?

Tim

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Scott (69Mach)
Gearhead

Posts: 451
From: Walnut Creek, CA USA
Registered: Jun 99

posted 01-27-2003 12:19 PM     Click Here to See the Profile for Scott (69Mach)   Click Here to Email Scott (69Mach)     Edit/Delete Message   Reply w/Quote
As I recall, by machinist mentioned something about it when he redid mine. Don't know much more about it than that.

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