B303 or E303 - Page 3 - MustangForums.com

5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

B303 or E303

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Old 05-24-2007, 06:18 PM
  #21  
P Zero
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Default RE: B303 or E303

ORIGINAL: luckythirteen13

ORIGINAL: P Zero

ORIGINAL: Jasperstang308

its always recommended to upgrade the valve springs with any cam swap
Recommended but not required. Ive installed a lot of aftermarket higher lift cams with stock valve trains with no problems. My bro had a problem with his factory pushrods after he upgraded his springs, bent 2 in the first 10 minutes of running the car.
-P.
sounds like your bro was too stupid to upgrade his pushrods which is required when running stiffer springs.
He was inexperienced, hes not a car guy. I didnt do the install, and found out later about it. Of course he was too cheap to get a 90* fitting for his fuel line and started a fire under the hood . I've always run 1 piece hardened pushrods.
-P.
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Old 05-24-2007, 06:21 PM
  #22  
PX429
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Default RE: B303 or E303

ORIGINAL: 5.0liter_rice_eater

if you have to use one of the two letter cams I'd go with the B303 + 1.7 RR
What the hell are you planning on doing with a 529 lift? Do you know what your saying?
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Old 05-24-2007, 06:22 PM
  #23  
5.0liter_rice_eater
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Default RE: B303 or E303

wait this is a BRAND NEW motor? Why would you thro that old junk on there?
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Old 05-24-2007, 06:24 PM
  #24  
gambit90lx
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Default RE: B303 or E303

i had a b303 cam in my other engine but its blown and the car is in the shop right now my new engine has an e cam i am anxious to get my car back and see what kind of difference there is....i loved my b cam but i havent had anything else so i really cant compare......
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Old 05-24-2007, 10:05 PM
  #25  
aode08
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Default RE: B303 or E303

dont want valve float either
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