Cam install on my 2005 Mustang GT - Ford Mustang Forum
 
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post #1 of 15 (permalink) Old 03-24-2010 Thread Starter
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Cam install on my 2005 Mustang GT

whatsup guys I have a quick couple of questions.

What are your opinions on buying used cams? My friend is selling his cams and I was wondering if it was a good or bad idea.

My second question is After the cams are installed, does the engine need to be tuned right away? or would I be able to drive 40 or 50 miles to the dyno shop and have it tuned there.

My last question is could I get by with my stock 3.55's until I get enough money to move up to the 3.73's?

Im not cheap, Im just a 19 year old kid going to college full time and wanting to go fast.

All opinions are greatly appreciated, Thanks

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post #2 of 15 (permalink) Old 03-24-2010
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I would never install used cams in an engine.

3.55's are so close to 3.73's changing those probably aren't worth it at this point.

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post #3 of 15 (permalink) Old 03-24-2010
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1.)I would buy a used cam if it was the one i wanted and it wasn't showing visible wear.

2.)Depends on the cam. I am ONLY ASSUMING that this would be a NSR(no springs required) cam. and if that was the case you could drive 40/50 miles without hotdogging it.

question to you..how much money you got to blow? what other mods are done to it? Why is the guy selling his cam?
 
post #4 of 15 (permalink) Old 03-24-2010
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How many miles on the cams?

1965 Mustang Coupe
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post #5 of 15 (permalink) Old 03-24-2010 Thread Starter
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Not much. After car payments, and my $3200 a year insurance (no speeding tickets) I have about $375 to spend. I already have a c & l cold air, 62mm BBK throttle body, hurst short throw, slp exhaust, and its tuned with the diablo sport tuner. So I figure buy the cams and then I need to save up another 400-500 for installation lol.
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post #6 of 15 (permalink) Old 03-24-2010 Thread Starter
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they have under 3000
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post #7 of 15 (permalink) Old 03-24-2010
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I'm sure they'll be fine.

1965 Mustang Coupe
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post #8 of 15 (permalink) Old 03-24-2010
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+1, should be fine to use. What cams are they? I know I didn't need a tune after i installed my stage 3's but i did put it on a dyno just to check. They guy told me i could get a dyno tune but would probably only pick up around 10rwhp more, but i didn't want to spend that much just for the 10rwhp at that time. Everything looked fine and it was on a brenspeed tune.

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post #9 of 15 (permalink) Old 03-24-2010
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Unless they're really agressive cams they'd be ok to drive on.

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Find out what cam exactly it is. If it is NSR cam than you don't have to worry about purchaseing valve springs. Certain cams require not only valve springs, but also phaser lockouts/cam lockouts. That's mo money right there. $375 might be about half of what you need for a cam install. Then you need a dyno tune, probably $450-500. Long tube headers aren't cheap, but I think I would spring for a set of those before I went with a cam. A cam would greatly benefit from long tubes and if you read some of the dyno charts for cam's results they sometimes say they are done with long tubes(comp cams uses them in their test/BBR doesn't. Not having LT's will net you smaller results than what they list. All this to say, I would probably be leaning towards longtubes though they aren't cheap either. About the only thing I can think you could get done for $375 and really feel the impact would be putting some 4.10 gears in there or maybe a dynotune.
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back in the old days you wouldnt dare put a used cam in a motor unless maybe you got the lifters and had them marked to each cam lobe. But on these OHC motors it doesnt matter...well up to a certain millage I guess. but used low millage cams are ok.

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For $375.00 go with a 3.90 rear gear 4.10's are to much and 3.73's might not be enough.

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The "not buying/installing a used cam" is old thinking.....with overhead cams....in good shape, you'll be fine. Just check the cam lobes. But being that new....I wouldn't worry.

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Quote:
Originally Posted by MickMach View Post
back in the old days you wouldnt dare put a used cam in a motor unless maybe you got the lifters and had them marked to each cam lobe. But on these OHC motors it doesnt matter.
that's what I was thinking when I posted my original response...sigh...sucks gettin old (where have I heard that before??) as ususal, I learn a lot from AFM about these new motors so thanks everyone for "learnin" me and ignore my response above.

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Quote:
Originally Posted by hubkap View Post
that's what I was thinking when I posted my original response...sigh...sucks gettin old (where have I heard that before??) as ususal, I learn a lot from AFM about these new motors so thanks everyone for "learnin" me and ignore my response above.
I feel your pain, there is a definate learning curve when you've always delt with pony and muscle cars from the mid 60s to 73. There was no shuch thing as off road or emissions legal, and buying used engine internals was a no no.


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RWHP/RWTQ is adequate
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