cam choice w/ 2500 stall 289ci - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #1 of 20 (permalink) Old 02-14-2003, 02:49 PM Thread Starter
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cam choice w/ 2500 stall 289ci

Correct me if I'm wrong, but I think My pakage would benefit more torque from a hydrolic roller cam. Great top end now but too soft on the bottom.
What's the biggest roller I can run to keep it a weekend street/strip ride?

289 1967 mustang fastback
ARP fasteners
forged pistons
Edelbrock Rpm intake and heads
9.3 comp ratio
Accel 300+ dist and ingnition 18deg initial 34 total
currently Lunati [email protected] .510 advanced 8deg
Full lenght headers ect.
C4 2700 stall w/gear vendor overdrive
3.55 locker 26" tires
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post #2 of 20 (permalink) Old 02-15-2003, 09:48 AM
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cam choice w/ 2500 stall 289ci

Go to a 3800 stall and at least 3:90 gears and you can leave the cam alone and you'll have more bottom end power and still be very streetable.
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post #3 of 20 (permalink) Old 02-15-2003, 11:39 AM
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cam choice w/ 2500 stall 289ci

Thats some duration for a 289 and 9.3 compression.
I was curious, why the 8 degree advance on your cam?
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post #4 of 20 (permalink) Old 02-17-2003, 12:40 AM Thread Starter
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cam choice w/ 2500 stall 289ci

I advanced the cam to bring in the torque a little earlier.

I thinking of going to 410's since I have the gear vendor.

3800 stall? Is that still streetable? I was thinking too much heat above 3000 stall.
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post #5 of 20 (permalink) Old 02-17-2003, 09:48 AM
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cam choice w/ 2500 stall 289ci

I drive a 3200 stall and at last's years Cruize Night I spent about an hour at near 25 MPH in heavy traffic. Use a good cooler and make sure that air is moving through it.





1967 Falcon 4 door 351C - 70 Mustang 351C
Owner built, owner abused.
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post #6 of 20 (permalink) Old 02-17-2003, 12:02 PM
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cam choice w/ 2500 stall 289ci

I drive around with a 4500 all the time, there's no extra heat just from regular driving , heat only builds up when you're racing or doing burnouts. As long as you have decent cooling it won't get any hotter than a regular tramsmission or converter. I run a trans. temp. gauge so I know this for a fact.
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post #7 of 20 (permalink) Old 02-17-2003, 01:35 PM Thread Starter
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cam choice w/ 2500 stall 289ci

I have a friend that has a 3500 stall in his 94 stang. I think it's an AOD. When we drive to the drags there's long hill to clime. He always pulls over to let his tranny temp to go down. I'm sorry I don't know what temp he's running, but I guess it's time to investigate. I live in Palm Springs Ca. where the temp in summer is avg 105 deg. Winter 75 deg. I'll have to check with him on everyday driving on this.
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post #8 of 20 (permalink) Old 02-17-2003, 03:35 PM Thread Starter
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cam choice w/ 2500 stall 289ci

I sent a messege to Crane and Comp. Totally different views on a hydrolic roller.
Crane 215-226 @ 50 112Ls
Comp 224-224 @50 110Ls
I think the Crane would be to soft for my set up. Which one per your opinion?
I was looking at the Holley/Lunati #51028 221-236 @50 111Ls.
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post #9 of 20 (permalink) Old 02-18-2003, 08:20 AM
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cam choice w/ 2500 stall 289ci

Yes, a roller cam will give you more torque and better idle quality and throttle response.
I would use the smaller Crane cam. It's very easy to overcam a street driven 289 and a 4500 stall is not much fun or efficient on the street. The Crane roller will match up to your current combo closely with awesome power from start to finish. I would install it straight-up. It will also allow a little NOS in the future if you choose.

1966 Mustang Coupe, Glass hood, 331 stroker, solid roller, Twisted Wedge, Stealth, 750 DP, 3.50, 4spd. \"borderline 11\"
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post #10 of 20 (permalink) Old 02-18-2003, 09:51 AM
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cam choice w/ 2500 stall 289ci

3.55 is a good street gear for a C4. I would
use about a 225 @ 050 cam with the same convertor. You might not get off the line perfectly, but it will be very drivable. If you are made of money, go to a 3000 stall, but I wouldn't go higher with current gas prices.

Will
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post #11 of 20 (permalink) Old 02-18-2003, 10:10 AM
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cam choice w/ 2500 stall 289ci

Hey Fasterdammit........

Howdy nieghbor!

Hemet, Ca. here. Your just over the Mt. I hope Banning happens soon............

Ed
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post #12 of 20 (permalink) Old 02-18-2003, 01:15 PM Thread Starter
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cam choice w/ 2500 stall 289ci

Wuts-up BFXComet? Banning drags, That will be the day.They have been talking for years!I've raced at the airport and spun almost all the way down the track. Lead foot.

I see I have two cam suggestions here. Thank guys.
How about this. Compare a hydrolic flat tappet to a roller. Is a 224-224 flat tappet similar to a 220-220 roller in idle and when the power comes on?
The reason ask is I think 224 is what I should have if I stay with a flat tappet. But I want to spend the bucks only once and step up to a hyd roller.
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post #13 of 20 (permalink) Old 02-19-2003, 12:15 AM
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cam choice w/ 2500 stall 289ci

I ran a 230/230 @.050 and 292 adv. duration Lunati flat hyd. cam in a 289 with a 3.50 rear. The idle was radical and the power came in about 3000 rpms even with Rhodes lifters. I lost a lot of e.t. down low with that setup (13.50 @ 101 mph). When I look back, I think a 220/226 would have been a lot better for the 9.5:1 compression.

1966 Mustang Coupe, Glass hood, 331 stroker, solid roller, Twisted Wedge, Stealth, 750 DP, 3.50, 4spd. \"borderline 11\"
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post #14 of 20 (permalink) Old 02-19-2003, 11:21 AM Thread Starter
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cam choice w/ 2500 stall 289ci

I think your right on with that. I can feel my cam come in at about 29-3000 but my stall is 2700. Lag!! That's why I am researching what other people use in this type combo. if I where to stay with a flat tappet it would be easy for me to fix. But I never used a roller so!!!
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post #15 of 20 (permalink) Old 02-19-2003, 12:52 PM
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cam choice w/ 2500 stall 289ci

A roller with similar specs as a flat tappet is much more forgiving on the bottom end and has a stronger power curve from start to finish. I run a mild 230/236 roller with bigger heads on my 331 street Mustang and the idle is still smooth and the bottom end power has doubled from the old 289 combo. I love it!

1966 Mustang Coupe, Glass hood, 331 stroker, solid roller, Twisted Wedge, Stealth, 750 DP, 3.50, 4spd. \"borderline 11\"
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