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Author Topic: 5.0 Cam I.D.  (Read 1790 times)
jasonwthompson
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« on: July 28, 2016, 08:54:49 pm »

I have a cam from a XXX 5.0 block.  The only stampings anywhere are on the end and read 1F3 or lF3.  Could anyone identify if it is a GT or Explorer cam?
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jasonwthompson
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« Reply #1 on: July 30, 2016, 04:54:44 pm »

So after measuring the lobes, they are all .278 lift indicating a H.O. roller.  I have heard that rollers can be reused, is that true, and if so must new roller lifters be used?
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liljoe07
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Feed your MILD side


« Reply #2 on: July 30, 2016, 05:09:34 pm »

No, new lifters are not needed. With roller stuff, you can pretty much mix and match new with old on everything. But new lifters are pretty cheap depending on the application.
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89 Coupe:
347- Canfield 195's, Holley Systemax II, Jones Cam, 3" Exhaust, 3" Spintechs, QuarterHorse, BE/EA

Well since you friggin disagree with every damn suggestion, just rebuild the piece of shit.
jasonwthompson
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« Reply #3 on: July 30, 2016, 05:33:21 pm »

Thanks Joe.  I thought I would use new lifters even if the cam was reusable.
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David Claflin
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« Reply #4 on: July 30, 2016, 06:18:52 pm »

If the rollers are good, they'll be fine, if you've absolutely got to burn up that $130 or whatever the new FMS rollers are going for then get them.
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1990 Red LX, 306, 75MM, ported gt40's, Holley SMII, accufab longtubes, 3" exhaust, 4.10's, 318RWHP/316RWTQ
1985 LTD LX 302, ported TW's, XE-264 cam, ported Holley SMII, 75MM-R TB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
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