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Comp Cams Stage 3 Xtreme Energy XE270HR Camshaft (86-95 5.0L)

Item 30146
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$279.99 (each)

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Mild Upgrade Over Stock
      • Increased Street Performance
      • Noticeable Idle
      • Hydraulic Roller Lifter
      • For 1986-1995 Mass Air Equipped 5.0L Mustangs


      Street Performance. This cam is a good upgrade from stock for improved street performance. With increased responsiveness and a step up duration, a greater performance can be felt from the Xtreme Energy Camshaft.

      Noticeable Idle. Give your 5.0 Pony a nice noticeable idle that is louder than stock, but is not overbearing or obnoxious.

      Application. This Comp Cams XE270HR Camshaft is designed for use in Mass Air equipped 1986-1995 5.0L V8 Mustangs with modifications such as better flowing heads, Intake, exhaust and steeper 3.55 to 3.73 rear gears for peak performance. Compatible with O.B.D.4.

      Fitment: 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Details

      MPN# 35-351-8

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (2)

      Write a Review

      Ratings Summary

      5 out of 5 overall rating from 2 customers

      Installation Time: Weekend

      Installation Cost: 0-$100

      • May 19, 2014

        5 1989 Other - Cobra99Dave Installation Time: Afternoon

        Sounds Awesome!

        The cam installed as expected with no unusual issues. Fired right up afterwards and idled after adjusting the idle screw on the throttle body. Has a nice lumpy idle and revs cleanly. I am using this with GT40P heads and intake and it works well. One thing to note if you do have GT40P heads make sure you replace the valve springs as the factory ones are not strong enough to use with this cam.

        Helpful (16)
      • July 03, 2013

        5 1994 GT - 5point0sleeper Installation Time: Shop Install Installation Cost: 0-$100

        Comp Cam

        Got this cam to go with AFR heads on a 1994 GT. The car is driven almost daily. Cam pulls HARD as advertised from just under 2000 all the way up to 6000 with proper valve springs. Noticeable Idle, but not over powering. Fast hassle free shipping from AM as always. THANKS GUYS!

        Helpful (17)

      Questions & Answers (4 answers)

      4 Top Rated Questions

      how big of a cam can i use with stock short block. i can install springs if needed. just worried about valve to piston clearance

      • Chevy, There are a number of things you need to get the thru put performance intended: Note* "The 1.7 Roller Rockers" so go ahead & Get the Springs! This cam is intended for Mass Air Equipped 86-95 Mustangs with Good Flowing Cylinder Heads, Intake Manifold, and Headers. Perfect for a "bolt-on" Modified Mustang. Your Mustang needs a minimum of a 3.23-3.73 rear-end. Features: * Comp Cams Xtreme Energy XE270HR * For use with 1.7 Roller Rockers * 270 / 276 advertised duration * 218 / 224 duration @ .050" * .544 / .544 lift (with 1.7 rockers) * 112° lobe separation angle * 1800 - 5800 RPM operating range * Hydraulic Roller camshaft for use with 1.7:1 rockers. Mild modifications, 3.20 - 3.73 gears, larger throttle body and mass air, good heads and manifold. Fits Vehicle: Ford Mustang LX, GT Cobra Stay with the 1.7:1 rockers and there should be proper clearance for valve to piston! Hope this helps, BobH98

      Helpful (2)

      Will i need to upgrade to a high stall converter ? Will it work fine with a gt40 setup? Or with bored e7 heads and 1.7 roller rockers ?

      • A high stall converter is highly recommended with the Comp Cams Stage 3 Xtreme Energy XE270HR Camshaft for automatic vehicles. This should have no issues with stock heads or gt40 heads, though piston to valve clearance should always be checked.

      Helpful (0)

      If I was to buy this cam what are all the things I need to upgrade in my stock 88 5.0 mustang

      • This Comp Cams XE270HR Camshaft is designed for use in Mass Air equipped 1986-1995 5.0L V8 Mustangs with modifications such as better flowing heads, Intake, exhaust and steeper 3.55 to 3.73 rear gears for peak performance.

      Helpful (0)

      Will this cam need custom length push rods or are the stock ones a good length? I have SVE heads from lmr (not very good quality) with 1.6 ratio rockers

      • This cam is a mild upgrade over stock so you can reuse your stock rods with this cam. You do not need to get custom length push rods.

      Helpful (0)
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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Camshaft

      Tech Specs

      Comp Cam Data Sheet
      Part Number: 35-351-8 Grind Number: XE270HR
      Lifter Type: Hydraulic Roller Lifter Engine Type: FORD 5.0 (1982-2001)
      RPM Range: 1800 to 5800 Valve Timing : 0.006
      Lobe-Center Angle 114 Intake Center Line: 110

      Intake Exhaust
      Valve Lash: Hyd. Hyd.
      Duration: 270 276
      Duration @ .006" Lift: 218 224
      Valve Lift: 0.512 0.512
      Lobe Lift: 0.321 0.321

      Valve Timing @ 0.006" Lift: Open Close
      Intake: 23 BTDC 66 ABDC
      Exhaust: 74 BBDC 21 ATDC

      Will It Fit My Mustang

      • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95
      • LX - 87, 88, 89, 90, 91, 92, 93
      • Other - 86

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