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ideas please, Kp, and other FI gods

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Old 05-03-2007, 12:05 AM
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Okay current setup is a brand new F1A from procharger stock J bracket with new idler I have a ATI dampner with the 8 rib setup stock pulley size I think it is 7.65 new gates belt tightened extremely tight. New ATI 8 rib 4.00 pulley and when I floor it I am making almost instant 7-8 pounds climbs fast too 11.5 to 12 then just goes down too 10.5 to redline and will not climb higher. This is through a front mount identical to EPPs, mandrel stainless steel piping and new T-bolt clamps and silicone couplers. I have a Tial bypass which was modded to be open a idle and close under boost, saw over 14psi with the D1SC. I have the AFR heads but found out that they only have the stock springs not the upgraded ones and the stock springs only have 110 closed pressure was told this is not good. Heads and engine and all only have just over 4000 miles on em and only 6-8 passes on the whole thing. Cant figure out why Im not seein the boost I should be with the new blower please help guide me on my next step haha thanks guys.
Old 05-03-2007, 12:32 AM
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Seems like you might be getting some belt slip. Have you checked the tightness of your belt?
Old 05-03-2007, 08:20 AM
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on the bottom side of the blower belt thats not on the tensioner... you should be able to take you hand and turn the belt 90* but thats it.... i like mine to play the E note...
Old 05-03-2007, 08:30 AM
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Originally Posted by bandit1
New ATI 8 rib 4.00 pulley and when I floor it I am making almost instant 7-8 pounds climbs fast too 11.5 to 12 then just goes down too 10.5 to redline and will not climb higher.
I have the AFR heads but found out that they only have the stock springs not the upgraded ones and the stock springs only have 110 closed pressure was told this is not good.
What RPM is the boost falling off?

Cam specs?
Old 05-03-2007, 08:40 AM
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Do you have my $47 dollars yet?
Old 05-03-2007, 09:30 AM
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If the boost is dropping its either floating the valves or the belt is slipping, tighten the crap out of the belt and put a couple drops of VHT on it and see if it goes away temporarily. Depending on the cam I doubt its springs, way easier to see if its belt..
Old 05-03-2007, 09:53 AM
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I will try and see what happens when its tightened and a little vht. the cam specs are 224 224 581 581 114. I take it too 6500 rpms. country boy you have a pm
Old 05-03-2007, 10:04 AM
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Thats on the edge with that cam on the standard springs too, but 6500 isnt that high. My guess is its belt slip, F1A takes a lot more to turn (higher step up and higher impeller speed) so dont be afraid to tighten that belt..
Old 05-03-2007, 10:50 AM
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K will do thanks alot boss I might upgrade to a set of new comp 921 springs just to be on the safe side but Im gunna get the SDCE system as well.
Old 05-03-2007, 08:06 PM
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well tightening did the trick 17psi thanks alot feels UNREAL!!!! Just ordered the SDCE system and so Im excited. Thanks alot all
Old 05-04-2007, 01:07 AM
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sweet man good luck with that thing!! any dyno #s
Old 05-04-2007, 05:21 AM
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What air filter are you using? The one that comes from ATI ProCharger is too small once you're pushing past 10 to 12 psi of boost. The stock filter will eventually try to turn itself inside out...
I have found this one to pick up several psi of boost, http://www.exoticperformanceplus.com...html?item=1086
and it enables the blower to put less drag on the belt, eliminating slippage problems for a lot of our installs in the 14 to 16 psi range. Bob
Old 05-04-2007, 09:31 AM
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i just bought the larger filter from Bob and im seeing 17 psi from my d1, I was making about 14.5 before. that filter is sweet!
Old 05-04-2007, 09:57 AM
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Thanks guys for the comments and thanks bob I acually have upgraded too a 9in K&N has a steel mesh inside to keep it from collapsing, seems to be working great. I may get the one you guys offer just incase it may be better than the one I have haha.

On a side note I want to say thanks to both Bob and Ati procharger for some killer service and work. Bob and the gang at EPP went out of their way when Ati made a small mistake but without even a hickup Bob had them on the phone and they had it corrected the very next day. Ati went out of their way and got everything taken care of for me and provided me a killer blower!! Top notch service from both companies and I will continue to use and recommend both companies as they are always there to help and provide a great product and price!!!!
Old 05-04-2007, 08:06 PM
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got pics of your setup?
Old 05-05-2007, 06:49 AM
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Originally Posted by bandit1
Thanks guys for the comments and thanks bob I acually have upgraded too a 9in K&N has a steel mesh inside to keep it from collapsing, seems to be working great. I may get the one you guys offer just incase it may be better than the one I have haha.

On a side note I want to say thanks to both Bob and Ati procharger for some killer service and work. Bob and the gang at EPP went out of their way when Ati made a small mistake but without even a hickup Bob had them on the phone and they had it corrected the very next day. Ati went out of their way and got everything taken care of for me and provided me a killer blower!! Top notch service from both companies and I will continue to use and recommend both companies as they are always there to help and provide a great product and price!!!!
Thanks, I appreciate the good words. Bob
Old 05-05-2007, 10:58 AM
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Originally Posted by Got Me SOM
got pics of your setup?
Heres a few that I do have
Attached Thumbnails ideas please, Kp, and other FI gods-picture-020.jpg   ideas please, Kp, and other FI gods-picture-022.jpg   ideas please, Kp, and other FI gods-picture-133.jpg   ideas please, Kp, and other FI gods-picture-126.jpg   ideas please, Kp, and other FI gods-picture-031.jpg  

ideas please, Kp, and other FI gods-picture-029.jpg  
Old 05-11-2007, 03:33 PM
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Originally Posted by Exotic Performance Plus
What air filter are you using? The one that comes from ATI ProCharger is too small once you're pushing past 10 to 12 psi of boost. The stock filter will eventually try to turn itself inside out...
I have found this one to pick up several psi of boost, http://www.exoticperformanceplus.com...html?item=1086
and it enables the blower to put less drag on the belt, eliminating slippage problems for a lot of our installs in the 14 to 16 psi range. Bob
Bob,how much would that up my boost ? Do you have to re-dynotune after installing one?
Old 05-13-2007, 06:53 AM
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Originally Posted by mcmike
Bob,how much would that up my boost ? Do you have to re-dynotune after installing one?
It all depends on how much boost you're making in the first place. You won't see as much of a gain at 8 to 10 psi as you will at 14 to 16 psi. Anytime boost is increased, I recommend checking the tune. Bob




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