Comp Cams 163-201-5 Extreme 4x4

Performance mods and Advanced Stroker discussion.
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sink1978
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Vehicle Model: Wrangler

Comp Cams 163-201-5 Extreme 4x4

Post by sink1978 »

Hi,

I’m hoping for some advice. I have a 2001 wrangler. It only has about 80k miles but I have a couple of collapsed lifters. I’m thinking of replacing the cam when replacing the lifters. Below are the specs on the cam. I like that I can run stock springs and it plays well with the ecu. Does anyone have any experience with it? I’m not expecting huge things from it but just to be better than stock.

Grind Number: J4.0 X4 250H-13
Engine Family: 199-258 c.i. 4.0L 6 Cylinder (1999-2006)
RPM Operating Range: 900-5,500
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Xtreme 4x4
Valve Springs Required: No
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 250
Advertised Exhaust Duration: 258
Intake Duration at .050 Inch Lift: 205
Exhaust Duration at .050 Inch Lift: 213
Intake Valve Lift: 0.450
Exhaust Valve Lift: 0.450
Lobe Separation: 113
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Re: Comp Cams 163-201-5 Extreme 4x4

Post by Cheromaniac »

Looks like a nice upgrade over the stock cam.
1992 XJ 4.6 I6 - 5MT - Stroker build-up, Stroker "recipes" Sold
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illinoisjeep
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Re: Comp Cams 163-201-5 Extreme 4x4

Post by illinoisjeep »

I am looking at the same cam. How did it work for you?


Tim
Russ Pottenger
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Re: Comp Cams 163-201-5 Extreme 4x4

Post by Russ Pottenger »

Good upgrade choice for late 4.0’s that wanna retain the late thrust plate style camshaft thats going to keep a stock spec valve spring.
Another benefit is the nitride heat treat option is included.

I’ve sold a lot of these cams including the 163-301-5 that is a good choice with an upgraded valve spring.

I also offer this package with an upgraded lifter.
Feel free to hit me up.

Thanks,
Russ Pottenger
Bishop-Buehl Racing Engines
531 N. Lyall Avenue
West Covina, California 91790
Work (626) 967-1000
Cell (626) 673-2203
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Smoghog4
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Re: Comp Cams 163-201-5 Extreme 4x4

Post by Smoghog4 »

I believe I am experiencing Valve float between 4200 and 4400 rpm with this cam (163-201-05) on stock springs. Have any of you ran into this problem?

Also if any of you could help me with a few questions on the p5249464 spring setup it would be appreciated. There seems to be a bit of different information on the web. from what I have gathered you need the 3 components for this to work?

questions on the components

1. spring p5249464 ( is this a stock spring out of a vehicle or only an upgraded spring you can buy independently? ) are there any alternative part numbers?

2 keepers/valve locks p4529218 ( has this been superseded to pn 3300352 ) ???? is this 7 or 8 degree as they seem to differ when you look them up?

3. retainer p4452032 seems to be the hardest and most expensive to find. Is it for an 8mm or 5/16" stem?. is it 7 or 8 degree? can you use the retainers from 2.5l or 5.9l magnums around 1994-1999's when I look these up some sights say you can and there are aftermarket parts for these years. Even jegs shows them under the p4452032 pn as working for 2.2/2.5 5.2/5.9 magnums.

Also some info shows that there are steel, aluminum and titanium versions of this retainer pn 4286574 and 4349642. are these viable parts that anyone has used?


Lastly is this the only solution to springs on the 4.0l if you do not want to pull the head and have it machined to accept the comp cams spring kit? If these components are not available is there another solution where I dont have to pull the head and take it to the machinist.


thanks in advance
Last edited by Smoghog4 on November 23rd, 2021, 8:04 am, edited 1 time in total.
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Re: Comp Cams 163-201-5 Extreme 4x4

Post by Cheromaniac »

With only 0.45" of valve lift, stock valve springs should be fine. Perhaps yours are tired and need replacing if they are the 20 year old originals.
1992 XJ 4.6 I6 - 5MT - Stroker build-up, Stroker "recipes" Sold
1995 Mustang GT - 4AT - Modded Sold
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