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Performance Modifications 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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  #11  
Old 08-04-2008, 09:09 PM
Shep Shep is offline
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I really did not consider the tomahawk and it shows why.

You mention track PRO series, is this more aggressive than the race std 6.1? I am confused about the pro series without specs. i was under the assumption that we were limited due to valve to piston clearance.

I will be using PAC or PSI springs. Have you tried PAC springs. We use ferrea or pac in the mitsubishi 2.0 head and rev to over 11k rpm
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  #12  
Old 08-04-2008, 09:10 PM
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Quote:
Originally Posted by maansy View Post
more is always good

how is the pcm issue going btw?
PCM should be at Diablo. I have not heard anything yet but I am in no hurry at this point. I just got the headers back from getting cerama coated.
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  #13  
Old 08-04-2008, 09:52 PM
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You can't go wrong with the PPP stuff
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  #14  
Old 08-05-2008, 03:23 AM
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maansy maansy is offline
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Quote:
Originally Posted by Power Ported Performance View Post
Make sure you are using an upgraded spring on the heads. The Track warrior is going to be faster 0-60, but the race warrior will probably win in the 1/4 mile. Here is the tomohawk with FRI street heads, Road Warrior with Stage 2 PPP heads, and Track Pro Series with Stage 2 PPP heads. I dont have a race warrior graph, but I would expect more top-end and a little less low-end.

Road Warrior #'s are good
do you have a comparesion between Road Warrior & Comp 260? and which idle sound is closer to stock sound?
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'08 JGC
Performance Mods:
Corsa/Mopar CatBack - Mopar CAI - PPP Stg2 H/C - Ported Manifold - AJ CMR Tune - CNC'd TB - Jet 180° TStat - Kooks LT/Catted
Interior/Exterior Mods:
Bwoody Links/Springs - DH - G-Tech Pro RR - Rear Spoiler - SRT Chrome Grille Emplem - SRT Front Sides - 6.1 HEMI Hood Badges - Headlight Covers - 6000k Lows/6500K Fog/4000K Sylvania 9005SU Ultra Highs - VLEDs Full int kit - Rev White led - Painted Tail Lights - Chrome/Amber Signal Bulbs - R1 D&S Rotors - GS6 BP - SRT Door Sills
Installing: Dual A/F Meter - BT CC/Custom Bracket - K&N Vent Filters
**Numbers before h/c/ported manifilod**
DH 1/4 (68F): 12.57 sec @ 107.5
DH 1/8(68F): 8.04 sec @ 88.2
DH 60ft(68F): 1.92 sec @ 37.3
DH React Time: 0.35 sec
DH 0-60: 3.7 sec
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Last edited by maansy; 08-05-2008 at 03:52 AM.
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  #15  
Old 08-05-2008, 08:17 AM
mikeT mikeT is offline
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Andy is right on............track warrior will be a little better than the race down low (0-60)....race will hit you at the top end...be a little quicker in the 1/4 and will have more lope at idle. I have the race warrior and I love it!
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  #16  
Old 08-05-2008, 10:00 AM
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Quote:
Originally Posted by Shep View Post
I really did not consider the tomahawk and it shows why.

You mention track PRO series, is this more aggressive than the race std 6.1? I am confused about the pro series without specs. i was under the assumption that we were limited due to valve to piston clearance.

I will be using PAC or PSI springs. Have you tried PAC springs. We use ferrea or pac in the mitsubishi 2.0 head and rev to over 11k rpm
Well, we do not release the specs on the pro-series. For 2 years we did not release any specs, but now that we have a new line of camshafts, we released the specs on the standard cams. The track pro-series has the upper rpm power of a race warrior and the low rpm grunt of a standard track warrior. The pro-series have very aggressive ramp rates and lots of lift. If the valvetrain is not setup correctly, your springs will fail. We have used PSI several times, the 1511 is the one you want to use, but having said that, we also spec new custom locators and retainers to prevent the spring from walking and giving it the correct install height. It is not a direct replacement and you can not just throw it in there and expect it to work. Be very careful with setting up the springs.



Quote:
Originally Posted by maansy View Post
Road Warrior #'s are good
do you have a comparesion between Road Warrior & Comp 260? and which idle sound is closer to stock sound?
No, the comp 260 is not a competing cam. It is an off the shelf cam that works for 5.7's and 6.1's. All of our cams are engine specific. The comp cams are very lazy with very soft lobes. The comp cams make good power, but there is more to be made with different cams.
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  #17  
Old 08-05-2008, 11:26 AM
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So you are saying that I have to get the cam , figure out the lift, rocker ratio etc. so I can set the springs up ? I understand keeping ramp profiles a secret but lift is lift and is easily measured. To me having general specs for my knowledge will most likely make the decision as to whether I try the pro series or not.

As mentioned before I am very competent with engine and head work. Our 2.0l runs nearly twice the rpm of a stock hemi 11,400-11,600 rpms and makes over 10hp per c.i.

Having said that I have no problem buying springs, locaters ,etc from you if you sell them seperately with a cam purchase.

Last edited by Shep; 08-05-2008 at 11:49 AM.
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  #18  
Old 08-05-2008, 01:03 PM
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maansy maansy is offline
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Quote:
Originally Posted by Power Ported Performance View Post
No, the comp 260 is not a competing cam. It is an off the shelf cam that works for 5.7's and 6.1's. All of our cams are engine specific. The comp cams are very lazy with very soft lobes. The comp cams make good power, but there is more to be made with different cams.
but dont the road & comp 260 cams make almost the same power in low end and also in general HP? correct me if i am wrong plz

and what doesThe comp cams are very lazy with very soft lobes mean?
sorry for my lack of knowladge of cams terms
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  #19  
Old 08-05-2008, 01:19 PM
mikeT mikeT is offline
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I still think the idle has to be bumped up a little even with the 260 or road warrior (correct me if I'm wrong andy)
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  #20  
Old 08-05-2008, 01:47 PM
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I actually would prefer a nice lope but. It would bring back my muscle car memories 327 high compression with a very tight lsa 106-108 if I recall.

Why does no one mention KRC performance on here? They claim to have/had the fastest jeep srt8 at 11.1. They have some cams for the hemi but most are long duration lower lift.
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