Throttle body question. - Cherokee SRT8 Forum
WK1 General Performance Discussion If you are planning on modifying your Jeep Grand Cherokee SRT8 with a performance enhancing modification, this is the section to post about it.

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post #1 of 18 (permalink) Old 12-19-2012, 09:59 PM Thread Starter
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Throttle body question.

anybody see any gain of any sort with the 85mm ported TB on a stock or tuned truck? i used the search and all i found was for sale threads. kind of a bad sign lol.
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post #2 of 18 (permalink) Old 12-19-2012, 10:20 PM
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interested to know too. I only have a mopar CAI and a Mopar exhaust.
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post #3 of 18 (permalink) Old 12-20-2012, 04:50 AM
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Not really any gaines from a throttlebody only


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post #4 of 18 (permalink) Old 12-20-2012, 05:36 AM
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I will respond, as I have this for sale. I saw noticeable gains and throttle response on my Stock Rig, with all the basic bolt ons, and custom tune. Here's what Modern Muscle says about their 85MM

http://www.modernmuscleperformance.c...gory_s/213.htm

'07 SRT8, Performance Mods: Mopar TCM, AFE Stage 2 CAI, Billet Technologies Catch Can, 180 T-Stat, Magnaflow High Flow Cat Exhaust, SLP Under drive Pulley, Modern Muscle Ported 85MM Throttle Body, Toona Tune. Visual Mods: Eibach Lowering Springs, BWoody End Links, Sway Bars, 315/275 Toyo Proxes STII , TLS SRT Custom Door Moldings, TLS Brake, Fog Kit, Front Chrome Delete.

"It's Five O'Clock Somewhere"
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post #5 of 18 (permalink) Old 12-20-2012, 07:40 AM
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Maybe with bolt ons but he says stock or tuned!


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post #6 of 18 (permalink) Old 12-20-2012, 07:45 AM
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Quote:
Originally Posted by nyjoed View Post
Maybe with bolt ons but he says stock or tuned!


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I agree 100%. I just wanted to post the specs. All good


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post #7 of 18 (permalink) Old 12-20-2012, 07:47 AM
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Quote:
Originally Posted by nyjoed View Post
Maybe with bolt ons but he says stock or tuned!


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Joes right as we had a couple try the 85 & 90 mil T/B on stock engine with cai and tune with no increase in times infact the 90 mil showed slower times. Now 1 of our group guys has a 90 mil T/B BUT also has supporting mods of tune,cai,headers,full cat back exhaust,cam and ported intake manifold with a race wt of 5055 lbs in the 1/8 mile run 7.82 on 91 gas.

2015 JEEP CHEROKEE LIMITED

Last edited by jim383; 12-20-2012 at 07:57 AM.
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post #8 of 18 (permalink) Old 12-20-2012, 09:46 AM
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So with my current mods its really pointless?
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post #9 of 18 (permalink) Old 12-20-2012, 10:12 AM
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So with my current mods its really pointless?
What is your currrent mods?
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post #10 of 18 (permalink) Old 12-20-2012, 11:00 AM
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Just CAI and Mopar exhaust. I have a 180 t-stat coming also.
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