RADIX supercharger
04-15-2003, 07:42 AM
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RADIX supercharger
I am wondering if anyone who has intalled the RADIX s/c has any dyno #'s for their truck? both baseline and installed. I have one sitting here (to be intalled) and I'm curious to what others have gotten as results.
I baselined my truck last evening and stone stock save for a K&N replacement filter the motor put out 213hp at the wheels @ 5087 RPM. what are others getting for a stock 5.3L
here's what I have 2002 5.3L 4WD Chevy Suburban LT
mods to be done:
Magnuson RADIX supercharger
Corsa stainless exhaust w/6.0L muffler
LS-6 Cylinder Heads (better flow and drops the compression 2/10ths.
Cam -sometime in the future-
any thoughts would be appreciated.
I baselined my truck last evening and stone stock save for a K&N replacement filter the motor put out 213hp at the wheels @ 5087 RPM. what are others getting for a stock 5.3L
here's what I have 2002 5.3L 4WD Chevy Suburban LT
mods to be done:
Magnuson RADIX supercharger
Corsa stainless exhaust w/6.0L muffler
LS-6 Cylinder Heads (better flow and drops the compression 2/10ths.
Cam -sometime in the future-
any thoughts would be appreciated.
04-15-2003, 02:45 PM
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Re: RADIX supercharger
I've already got the all the parts listed S/c heads and exhaust. I am planning on doing the long tube headers this summer. thinking about TOG coated or ASM coated headers any thoughts.
04-15-2003, 03:21 PM
#3
Re: RADIX supercharger
The ASM headers are a great product. I haven't seen TOGs, but I think with the ceramic coating, they are more expensive.
I really like your plan of using the LS6 heads. When I had a whipple on my truck, I bought a set of LS1 heads to use in case I decided to keep it. You will probably need a slightly smaller pulley to offset the decrease in compression. Flow will be great on the LS6 heads.
A cam install will be easiest at the same time you install the heads. You won't have to worry about dropping a lifter or opening everything back up in the future.
Sounds like a really strong suburban.
I really like your plan of using the LS6 heads. When I had a whipple on my truck, I bought a set of LS1 heads to use in case I decided to keep it. You will probably need a slightly smaller pulley to offset the decrease in compression. Flow will be great on the LS6 heads.
A cam install will be easiest at the same time you install the heads. You won't have to worry about dropping a lifter or opening everything back up in the future.
Sounds like a really strong suburban.
04-15-2003, 03:49 PM
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Re: RADIX supercharger
my goal is to get it to 400 RWHP I'll have to think about the cam, right at this time. the S/C heads,(gaskets, bolts, etc.), and exhaust were a pretty good wad of cash, I'm getting near to needing a water-cooled checkbook.
04-16-2003, 12:58 AM
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Re: RADIX supercharger
Gains reported are about 150-180rwhp...
5.3 heads flow great. It isn't worth shelling out the extra cash for a set of LS6 heads. Dropping the compression on a stock motor to turn up boost is going to be a waste. You will reach the limits of the stock internals before you will gain signifiantly from this.
Do a cam the same time you do a head swap (if you do a head swap). A nice FI cam is a 214/220 114lsa. It is fairly mild but has good exhaust duration to pull the exhaust from the head.
Long tube headers are smarter than shelling out $500 for a catback. Get the LT's in and have an exhaust shop fab up a Mangaflow or a Dynomax cat back for the extra flow.
5.3 heads flow great. It isn't worth shelling out the extra cash for a set of LS6 heads. Dropping the compression on a stock motor to turn up boost is going to be a waste. You will reach the limits of the stock internals before you will gain signifiantly from this.
Do a cam the same time you do a head swap (if you do a head swap). A nice FI cam is a 214/220 114lsa. It is fairly mild but has good exhaust duration to pull the exhaust from the head.
Long tube headers are smarter than shelling out $500 for a catback. Get the LT's in and have an exhaust shop fab up a Mangaflow or a Dynomax cat back for the extra flow.
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