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Axial Flow Supercharger

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Old 02-02-2008, 04:48 PM
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Yeah, now I do remember reading that thread, I just forgot about it. If this is what gets the supercharger to market, then it is a good thing.
Old 02-02-2008, 06:30 PM
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And its an even better thing if it helps me get my supercharger to market
Old 02-02-2008, 09:12 PM
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Hymlee you may want to think about the oem fuel delivery system. It is not unusual for our oem fuel pump to lose 5-7 lbs of pressure in the higher rpm areas. There seems to be, for some, a lot of correlation between pre mixing and fuel pump problems. Not for others, which further confuses the issue. BUT , the all in one wonder fuel pump assembly may be a trouble spot. So folks need to be sure before they go and tune something that their fuel delivery system is adequete. Or they may end up trying to put the "blame" were it doent belong when they go lean.
olddragger
Old 02-03-2008, 01:44 AM
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Originally Posted by olddragger
Hymlee you may want to think about the oem fuel delivery system. It is not unusual for our oem fuel pump to lose 5-7 lbs of pressure in the higher rpm areas. There seems to be, for some, a lot of correlation between pre mixing and fuel pump problems. Not for others, which further confuses the issue. BUT , the all in one wonder fuel pump assembly may be a trouble spot. So folks need to be sure before they go and tune something that their fuel delivery system is adequete. Or they may end up trying to put the "blame" were it doent belong when they go lean.
olddragger
Fortunately, it takes a really long swing in fuel rail pressure to have an effect on actual delivery mass.
A 5 - 7 PSI drop in line pressure (from the nominal pressure), amounts to less than 2% of a drop in actual delivery.
You have to get really low before it gets to be a big issue - especially if you are running with an appropriate amount of "padding" in your target AFRs.
Old 02-03-2008, 11:54 AM
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You how some folks dont like padding
Good info though-- thanks
olddragger
Old 02-03-2008, 02:30 PM
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Well I guess there is nothing left for me to say.
Old 02-03-2008, 02:40 PM
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Originally Posted by olddragger
You how some folks dont like padding
You have to have some padding on a street vehicle.
A bad tank of gas, a really hot, dry day, some anomaly in your driving or just plain bad luck - the effects of which could destroy your motor - can be completely ameliorated by just and extra 0.5:1 in your A/F and 2° of timing, which have a negligible effect on power, if any at all.
I found almost no change in power going from 11.1:1 to 10.8:1.
Of course, if you want to drive around at 12.7:1, that's your business.
That is not something that can be done here in a Phoenix Summer in an RX-8 on 11 PSI of boost.
Old 02-03-2008, 03:27 PM
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Oh I am with you totally--i like a conservative tune-- and whatever protection you can get from those unknowns that do occur. i was speaking about others that may like to get closer to the edge--you know they are out there.
olddragger
Old 02-05-2008, 06:35 PM
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Glad to see the project is still on course, more or less. I’ll be very interested to see the final product.
Old 02-06-2008, 02:34 AM
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Check out Richard's new product:

https://www.rx8club.com/showthread.p...40#post2283640
Old 02-06-2008, 06:08 AM
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Originally Posted by olddragger
Hymlee you may want to think about the oem fuel delivery system. It is not unusual for our oem fuel pump to lose 5-7 lbs of pressure in the higher rpm areas. There seems to be, for some, a lot of correlation between pre mixing and fuel pump problems. Not for others, which further confuses the issue. BUT , the all in one wonder fuel pump assembly may be a trouble spot. So folks need to be sure before they go and tune something that their fuel delivery system is adequete. Or they may end up trying to put the "blame" were it doent belong when they go lean.
olddragger
OD, did you ever get a chance to open up that old Fuel Pump I sent you?
Old 02-06-2008, 01:40 PM
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As soon as I get the T shaped nuts run and the bodys anodized they will be ready for sale. As for different strut bars you will have to look yourselves. On the stock bar you have to drill with a 1 3/8 holesaw the space for the brace to fit through. It's no big deal. On others just see if they stick up over an inch because that is what I've allowed for.
It attaches to ewo of the three shock/spring studs. It does not use the brace studs.
As to the nuts on my brace I don't run a brace. That's how impotant they are. Now a 4 way brace might be worth something. It's just that the only place to fasten is those tiny little studs on the firewall.


This is on the wrong thread it should be on the brake brace one. I"ll move it later.
Old 02-06-2008, 02:02 PM
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To quote an old forumer who I haven't seen for a while...

"Pics Please"

Cheers,
Hymee.
Old 02-06-2008, 03:33 PM
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Originally Posted by Hymee
To quote an old forumer who I haven't seen for a while...

"Pics Please"

Cheers,
Hymee.

Look on the brake brace thread youblindbastard.
Old 02-06-2008, 03:36 PM
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Linky Please, you oldungeekybastard. LOL

Cheers,
Hymee.
Old 02-06-2008, 03:45 PM
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Originally Posted by Richard Paul
Look on the brake brace thread youblindbastard.
Originally Posted by Hymee
heh...
Old 02-06-2008, 03:50 PM
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It's just above here on MM pist
Old 02-06-2008, 04:21 PM
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https://www.rx8club.com/showthread.ph...40#post2283640
Old 02-06-2008, 05:09 PM
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Originally Posted by Richard Paul
fixed...
Old 02-14-2008, 11:01 PM
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http://members.iinet.net.au/~pontipak/redsquare.html


You have to go foe 2 min to satisfy the Air Force pilots exam

Last edited by Richard Paul; 02-14-2008 at 11:03 PM. Reason: had the time wrong
Old 02-14-2008, 11:23 PM
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Originally Posted by Richard Paul
http://members.iinet.net.au/~pontipak/redsquare.html


You have to go foe 2 min to satisfy the Air Force pilots exam
Funny, I've never heard anyone mention this. Sounds like an urban legend to me.
Old 02-15-2008, 12:15 AM
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Originally Posted by Richard Paul
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You have to go foe 2 min to satisfy the Air Force pilots exam
16.7 seconds.. 2 minutes is insane, does the speed keep going up?
Old 02-15-2008, 02:23 AM
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Originally Posted by Rootski
Funny, I've never heard anyone mention this. Sounds like an urban legend to me.


That'll teach me to believe an ex girlfreind.
She can only do 15 sec anyway.
Old 02-15-2008, 11:10 AM
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Originally Posted by Richard Paul
That'll teach me to believe an ex girlfreind.
She can only do 15 sec anyway.
24.46sec

Leave it to RP to post the most fun internet game yet to grace the forums! Its going to be a good day at work

Last edited by Floyd; 02-15-2008 at 12:40 PM. Reason: New Time
Old 02-15-2008, 11:37 AM
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I seem to be stuck at 40 seconds or so.


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