Need Cam Shaft for F-150 SVT - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 17 Old 01-20-2009, 07:24 PM Thread Starter
 
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Need Cam Shaft for F-150 SVT

I need help to get the correct cam shaft for this truck: Ford SVT F-150 Lightning 1994. Stock with Intake GT40 tubular, cast iron GT40 Heads in 351W engine. Some aftermarket modifications as Hookers Headers, Air Intake, FlowMaster pipes. The truck does not have Massflow (stock).

Vehicle used mostly as street car. Want to get more power from the engine and change the sound without affecting vacuum. Recommendations and comments welcome.

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post #2 of 17 Old 01-20-2009, 07:49 PM
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Not sure about the programming for the Gen 1 Lightning, but the Speed density Mustangs barfed all over the place with aftermarket cams unless a mass air conversion was done.


93 SSP 3220 lbs,W/C T-5,3.90's,ported gt40 irons,stock valves,cut/ported Cobra upper,ported lower.30# inj.SVT MAF,Bcam/1.7'sN/[email protected] 1/[email protected] DA 1083,1.74 60',old Nitto Dr's Catted UPR X, stock airbox and full emissions equip still on the car.passes Cali emissions
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post #3 of 17 Old 01-20-2009, 09:33 PM
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No need for MAF conversion if you get a custom tune.. Comp XE274HR wouldn't be a bad choice for a cam.
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post #4 of 17 Old 01-20-2009, 09:37 PM
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Since it is a '94 it has a roller block. A lot of guys go with the stock HO Mustang cam. I believe they install them 4 degrees advanced. You are not really going to change the sound. If you have a lope it will not be happy with the sd.

There are a lot of other upgrades I would do before getting inside the engine. With the stock heads and sd a cam is not going to do much for you.

'94 Lightning 383ci w/Vortech S-Trim +too much to fit in the sig.

Last edited by gn87gt2000; 01-20-2009 at 09:49 PM.
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post #5 of 17 Old 01-20-2009, 09:39 PM
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Originally Posted by SVTCobra347 View Post
No need for MAF conversion if you get a custom tune.. Comp XE274HR wouldn't be a bad choice for a cam.

A custom tune is not going to make a non-sd friendly cam work with sd. If you go with too much duration or too tight of a lobe seperation a tune will not fix it. Also it is getting hard to find someone who will even make a tune for a Lightning eec.

Comp XE274HR, this cam will not work with the Lightning sd. It has 224 intake and 232 exhaust duration with a 112 lobe seperation. 218 duration is about the limit, 220 if you are lucky.

A lot can be done with sd, I have been running my 383ci engine with it, but you have to be careful with the cam selection. I have .600 lift, but the duration is still low. It idles at 800rpm and does not lope. I have been tuning with a Tweecer and a wideband.


Check out www.nloc.net , or www.lightningrodder.com . The cam options have been done to death over there. They know what does and does not work with the Lightning. If it can be done to a Gen 1 Lightning, someone over there has done it.

'94 Lightning 383ci w/Vortech S-Trim +too much to fit in the sig.

Last edited by gn87gt2000; 01-20-2009 at 09:59 PM.
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post #6 of 17 Old 01-21-2009, 08:55 AM
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If you have a knowledgable tuner they can do it. I've seen a few SD cars that were nastier than anything with a MAF, they just can't adjust for much change after the tune.
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post #7 of 17 Old 01-21-2009, 09:15 AM
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Sure you cam run a nasty cam if you use a sd system like FAST, I am talking about a Ford sd eec which I have learned just a little about in dealing with it for many years now.

Your best bet is to go to the Lightning forums and read about what can be done. Don't chance putting in a cam that your truck will not run with no matter how much it is tuned.

The cam listed above will be nasty alright. It will be nasty every time you come to a stop when it surges and stalls. Unless you like a 1500rpm idle.

'94 Lightning 383ci w/Vortech S-Trim +too much to fit in the sig.

Last edited by gn87gt2000; 01-21-2009 at 09:42 AM.
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post #8 of 17 Old 01-21-2009, 10:17 AM
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Have to agree, that cam recomendation is all wrong for a stock eec speed density truck, it wont idle and it will surge like a [email protected] The HO cam will work but you wont be able to install a cam with enough overlap to sound [email protected] and still run worth a crap.

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post #9 of 17 Old 01-21-2009, 11:22 AM
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Go with the 5.0 HO cam and 2* advanced which will require a 9 index timing chain. More HP up to 5500 and about the same tq as stock. By advancing the cam you change the RPM band and get it a little lower, which is what these heavy trucks need to get off the line without bogging. You will need pushrods and a cam gear (or distributor) for a 96 bronco with 5.8 as they were roller motors. Also, change to 1.7roller rockers to maximize lift.

This set up works great for me. It idles better than stock and runs really well all around.

David

95 Lightning-Black #772
Edelbrock Heads / FMS 1.72 RR's
5.0 roller conversion-2* advanced
Bassani headers / x-pipe / side exit catback
MSD 6al / timing control / coil / wires / cap
ASP underdrives & smog pump delete
Modine 2" radiator / Dual efans

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post #10 of 17 Old 01-21-2009, 11:53 AM
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There is a cam that allot of guys on the F150 forums talk about that works with SD. It has duration that the SD can deal with... Not sure of the exact specs, but incase you want to search, ----> http://www.ford-trucks.com/forums/forum28/


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post #11 of 17 Old 01-21-2009, 11:54 AM
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Quote:
Originally Posted by gn87gt2000 View Post
Check out nloc , or lightningrodder. The cam options have been done to death over there. They know what does and does not work with the Lightning. If it can be done to a Gen 1 Lightning, someone over there has done it.
+1 Atleast check out nloc since there seems to be a more constant stream of people on there. Search for SD friendly cam selections, and you will hit alot of threads. But if you do nothing else sighn up there you'll learn ALOT about these gen1 lightnings
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post #12 of 17 Old 01-21-2009, 06:25 PM
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cam

The key statement I saw in the op was he didn't want to affect the vacuum.
I ran a 224, [email protected] 555, 565 cam on 114 lobe seperation, so I know it can be done, but you will definately need some tuning. If you are going to go to the trouble of doing a cam, you might as well plan on doing some tuning to get the most out of it. problem is i doubt you can have a nice cam sound without losing vacuum. Jump on nloc.org and do some searching you will find alot of help there.

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post #13 of 17 Old 01-21-2009, 06:31 PM
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I agree with the 5.0 cam swap, listen to gn87gt2000 he knows what he's talkin about...!

-Matt
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post #14 of 17 Old 01-21-2009, 08:23 PM
 
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You want nloc.net not nloc.org, I have the 5.0 ho cam adv. 4* and 1.7rr & it made for a nice improvement. Many of the guys on the nloc have tried every combo & they know what works and what doesn't. The guys over there have everything from 2k mile bone stock garage queens to 10 second tow pigs to street driveable 9.40 big block trucks to 7 second all out race. Check them out, you'll be glad you did.
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post #15 of 17 Old 01-21-2009, 08:52 PM
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Quote:
Originally Posted by Red 93 L1 #3383 View Post
You want nloc.net not nloc.org,


Or just go to post 5 and click the link

'94 Lightning 383ci w/Vortech S-Trim +too much to fit in the sig.
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post #16 of 17 Old 01-23-2009, 11:15 PM Thread Starter
 
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Wao thanks for all the feedback on this topic. After reading, I will start using the 5.0 cam from a 1989 Mustang LX. I think it's the best option with a minimum investment. When I buy the truck I though it was easy to modify, but I see it's just the beginnig. Thanks a lot for those advices at the forum. I'll keep you update on results.
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post #17 of 17 Old 12-22-2011, 05:16 PM
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Another option is to go with a Cobra cam that came in the 93-95 Mustang Cobras. It has a bit more lift then a HO cam and a bit less duration. This works well in a 351 engine, good low end torque but with GT40 heads and 1.7RRs it has enough flow to make good power up to 5K+.

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