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RADIX UPDATE

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Old 08-08-2003, 08:52 PM
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Default Re: RADIX UPDATE

Tampa.FL
blownchevy man your truck has the perfect setup how do you like the jet tranny dose it shift like the stock tranny..

Thanks! do you have any pics of yours?
Shifts like a drag car, real firm and hard.
Old 08-08-2003, 11:20 PM
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i have an engagement ring for sale. cheap. half karot(sp) i believe, sell cheap. looks great and helps you stay in the hunt for a charger. and helps me get a little closer to one as well. lol
Old 08-09-2003, 02:32 PM
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Default Re: RADIX UPDATE

i have lots of pics will upload them to somewhere and post a link.
installed a boost gauge today saw instant boost @ 6psi and above 4000rpm it will creep up to 7

has anyone installed a smaller pulley on the radix say 3" im trying to get it up to say 8 or 9 psi that would be the greatest is there an online place i could check out

Old 08-09-2003, 04:49 PM
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Do you have the 3.4 pulley on it right now?? I have the 3.1" pulley from the 6.0 kit on the shelf. It would take the system to 9 lbs. Problem is, you can't get away with it on premium fuel. It seems that they start to detonate over 7 psi on pump gas. It would require race gas.
Old 08-09-2003, 07:01 PM
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Default Re: RADIX UPDATE

I see about 7 psi at first, and by 6000 it comes up to about 8.5. I had the 3.4 inch pulley on my 5.3. I never saw any KR or heard it either.

Mine was running pig rich though from the headers and maybe bad o2's.
Old 08-10-2003, 10:31 AM
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yes i have the 3.4" pulley ...did more runs last night barely touched 7 psi @ 5500 RPM is that normal for the radix or should i be seeing more boost like Flyer

Ben thanks for the info looks like the 3.1 pulley is a bit too much..
i think ill leave the pulley alone truck is running so good rite now
Old 08-10-2003, 10:53 AM
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Default Re: RADIX UPDATE

7psi is EXACTLY what it should be running......
Old 08-10-2003, 04:18 PM
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Default Re: RADIX UPDATE

yes i have the 3.4" pulley ...did more runs last night barely touched 7 psi @ 5500 RPM is that normal for the radix or should i be seeing more boost like Flyer

Ben thanks for the info looks like the 3.1 pulley is a bit too much..
i think ill leave the pulley alone truck is running so good rite now

Try a 2.93 pulley, heck if a ford 5.4 can handle 20psi your should easily handle 10-12.
Old 08-10-2003, 04:30 PM
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Default Re: RADIX UPDATE

The Lightnings 5.4L (8.4:1) engine has over 1 point less compression than a LM7 5.3L (9.5:1). This allows the Lightning to handle more boost easier. Not only that, the 5.4L engine in the Lightning has a rotating assembly designed for higher cylinder pressures as well.
Old 08-10-2003, 05:07 PM
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Default Re: RADIX UPDATE

Can you do something with the heads to lower compression at least a half point?


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