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post #1 of 11 Old 04-08-2010, 04:27 PM Thread Starter
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intake plenums

ok so i am wondering if anyone has taken their stock intake plenums and increased the size of the inlet pipe on them? i am considering doing this to make them the same size as the e-99 spyder which is 2.75. does anyone know if this would be a worthwhile mod. I have an extra set of plenums off of a 7.3 to play with so it would not cost me anything but some new 2.75 boots and clamps and a lil pipe.
input and ideas are welcome

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post #2 of 11 Old 04-08-2010, 05:19 PM Thread Starter
shaking things up

 
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no one has any thoughts on this???

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post #3 of 11 Old 04-08-2010, 05:31 PM
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I have my intercooler setup with the E99 spyder and I just kept my stock plenums. Just played hell getting the smaller boots over the E99 inlets. I do have a set of SD 3" plenums sittin in the garage that I plan on using when I have the time to install them.

MATT

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post #4 of 11 Old 04-08-2010, 05:35 PM Thread Starter
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so this may be a worthwhile mod? i have the e99 plenums that came with my spyder

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post #5 of 11 Old 04-08-2010, 05:39 PM
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IIRC the e99 plenums are the same size outlet as the obs, or am I completely wrong? The only reason I bought the SD plenums is because it is a 3 inch plenum which is larger than the obs

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post #6 of 11 Old 04-08-2010, 05:39 PM
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got my 3" ones from beansdiesel.com. they were fairly cheap. the e99 spyder should be th same size as the OBS plenums. if i remember right the e99 spyder i used to hav necked down from 3" to 2 or 2 1/4" watever OBS is.

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post #7 of 11 Old 04-08-2010, 05:53 PM
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Why not just grab a set of SD ones and go to 3"?

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post #8 of 11 Old 04-08-2010, 05:57 PM Thread Starter
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iicr the spyder is 2.75 i will look for sure tom and yes the e99 ones are the same as the obs ones. and i have alot of time on my hands right now i got laid off and just spent a boatload of money on the truck trying to do cheap/free mods to it as of now lol so i figure i got time parts and soon a welder when it comes in lol so why not try to make em myself plus i like making things myself it is more rewarding i feel

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custom traction bars
TW chip 6 pos
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IDM mod
SD IC
HPX
D66
casserly 2's
custom fuel with an AIRDOG 2
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910's
*17 TE modded hpop
ebpv gutted
pedestal gutted
gutted ccv elbow
clutch pedal fix

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post #9 of 11 Old 04-08-2010, 05:57 PM Thread Starter
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Quote:
Originally Posted by DirtyDiesel View Post
got my 3" ones from beansdiesel.com. they were fairly cheap. the e99 spyder should be th same size as the OBS plenums. if i remember right the e99 spyder i used to hav necked down from 3" to 2 or 2 1/4" watever OBS is.
did you notice a difference at all?

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96 f-350 7.3 with a 5 speed
3 in DP
4 in ex. to 5 in aussies
custom traction bars
TW chip 6 pos
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IDM mod
SD IC
HPX
D66
casserly 2's
custom fuel with an AIRDOG 2
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910's
*17 TE modded hpop
ebpv gutted
pedestal gutted
gutted ccv elbow
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post #10 of 11 Old 04-08-2010, 05:58 PM
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long as u can weld i dont see a problem. dont want any ventalation holes in ur weld where boost can leak out

Brett
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