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comp cams 281hr

  • Thread starter Thread starter mobilly
  • Start date Start date Mar 20, 2025
M

mobilly

Member
Mar 20, 2025
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mi.
Mar 20, 2025
#1
  • Mar 20, 2025
  • #1
does anyone have any experience with the comp 35-440-8 cam? i can't find much info on it like dyno or performance data. are they worth a crap or what?
 

89ripper

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Jun 3, 2002
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Rockford, Illinois
Mar 21, 2025
#2
  • Mar 21, 2025
  • #2
This?
https://www.summitracing.com/parts/CCA-35-440-8
 
M

mobilly

Member
Mar 20, 2025
15
2
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mi.
Mar 21, 2025
#3
  • Mar 21, 2025
  • #3
89ripper said:
This?
https://www.summitracing.com/parts/CCA-35-440-8
Click to expand...
that's the one. comp recommended this cam to me but i'm not really sure what to expect how it will run other than the cam description and that's a little vague. any info would be great.
 

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
5,782
3,914
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Claremore, OK
Mar 21, 2025
#4
  • Mar 21, 2025
  • #4
So like any build it will depend on the rest of the motor. Cubic inches, which heads (ported or not), which upper and lower intake (ported or not), rpm range, manual or automatic trans, rear gear, etc.
 

89ripper

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#5
  • Mar 21, 2025
  • #5
Exactly what Aero says. The lift reminds me of a f303 cam, which is what i run. What are you runnin?
 
M

mobilly

Member
Mar 20, 2025
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Mar 21, 2025
#6
  • Mar 21, 2025
  • #6
89ripper said:
Exactly what Aero says. The lift reminds me of a f303 cam, which is what i run. What are you runnin?
Click to expand...
.030 over explorer engine. stock p heads, alex's beehive spring kit, 9.4-1 compression, .040 quench, rpm intake, 600 street avenger, shorty headers, pertronix ign., edge 3000 stall, 3.73 gears. i was shooting for about 300 fwhp but idk. street car, short bursts of speed. says mild rough idle.
 

89ripper

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Jun 3, 2002
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Mar 21, 2025
#7
  • Mar 21, 2025
  • #7
If i knew what I know now, I would have gotten something different. I was young and someone was selling the fcam in my area so I picked it up. I do like the sound, has a nice lope to it.

That cam is pretty pricey I dont remember these costing that much! Think I paid 100 for mine
 
M

mobilly

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Mar 20, 2025
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Mar 22, 2025
#8
  • Mar 22, 2025
  • #8
89ripper said:
If i knew what I know now, I would have gotten something different. I was young and someone was selling the fcam in my area so I picked it up. I do like the sound, has a nice lope to it.

That cam is pretty pricey I dont remember these costing that much! Think I paid 100 for mine
Click to expand...
it looks closer to the e303, 281 overall dur, 220@ .050, .512 lift, 110 lobe sep, 106 intake c/L as it is ground 4 degrees advanced.
 
M

mobilly

Member
Mar 20, 2025
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Mar 22, 2025
#9
  • Mar 22, 2025
  • #9
mobilly said:
it looks closer to the e303, 281 overall dur, 220@ .050, .512 lift, 110 lobe sep, 106 intake c/L as it is ground 4 degrees advanced.
Click to expand...
i guess i will go by e303 data, ecams seem to do well with some other mods.
 

89ripper

Founding Member
Jun 3, 2002
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Rockford, Illinois
Mar 22, 2025
#10
  • Mar 22, 2025
  • #10
Its a mixed bag, the reviews for that cam
...people have good and bad results with it according to what i read. I think you mentioned comp cams recommended it to you? Then i would counter them with why, based on what i had in my combo.

Since its comparable to the ecam, in your words, then you will probably have good results since people seem to like it in general for mild builds. I only saw the valve lift, which does match the f303, and i know most people ive talked to dont like it!
 
M

mobilly

Member
Mar 20, 2025
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mi.
Mar 22, 2025
#11
  • Mar 22, 2025
  • #11
i was hoping to make 300fwhp with this set up, from what i have seen it's probly pretty close. the 4 degree advance should start the power band a little lower, idk if that will make much difference with the higher stall and gears.
 

89ripper

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#12
  • Mar 22, 2025
  • #12
Im thinkin you should be fine. Just curious what trans do you have?
 
M

mobilly

Member
Mar 20, 2025
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Mar 22, 2025
#13
  • Mar 22, 2025
  • #13
89ripper said:
Im thinkin you should be fine. Just curious what trans do you have?
Click to expand...
aod with shift reprogram, 1 piece shaft, edge c-6 convertor, hayden 698 cooler. i figured this would be a peppy combination. if i felt if it needed more power i could just swap for some better heads. idk if it would be much of a tire burner but it should take off pretty quick. this will be my first hot rod i built for myself in 40 years. thinking i can run this holley off the low pressure pump in the tank and omit the one on the frame. has anyone done this?
 

89ripper

Founding Member
Jun 3, 2002
926
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103
Rockford, Illinois
Mar 22, 2025
#14
  • Mar 22, 2025
  • #14
I run a Lentech. Do you have lockout for OD? You might get some burn off the line since the power band will sit lower than an fcam
 
M

mobilly

Member
Mar 20, 2025
15
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mi.
Mar 22, 2025
#15
  • Mar 22, 2025
  • #15
89ripper said:
I run a Lentech. Do you have lockout for OD? You might get some burn off the line since the power band will sit lower than an fcam
Click to expand...
it's a non lock up situation. traction would be good to have
 

89ripper

Founding Member
Jun 3, 2002
926
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Mar 22, 2025
#16
  • Mar 22, 2025
  • #16
Traction? Absolutely! Hopefully you have a hardened input shaft, i broke mine due to entering OD at the strip. Im not even making serious HP either....good luck on your build mobilly
 
M

mobilly

Member
Mar 20, 2025
15
2
13
mi.
Mar 22, 2025
#17
  • Mar 22, 2025
  • #17
89ripper said:
Traction? Absolutely! Hopefully you have a hardened input shaft, i broke mine due to entering OD at the strip. Im not even making serious HP either....good luck on your build mobilly
Click to expand...
yup hardened shaft. thanks
 
M

mobilly

Member
Mar 20, 2025
15
2
13
mi.
Mar 23, 2025
#18
  • Mar 23, 2025
  • #18
89ripper said:
I run a Lentech. Do you have lockout for OD? You might get some burn off the line since the power band will sit lower than an fcam
Click to expand...
no lock out for od
 

89ripper

Founding Member
Jun 3, 2002
926
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103
Rockford, Illinois
Mar 23, 2025
#19
  • Mar 23, 2025
  • #19
Yeah I learned the hard way on that!
 
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