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» Drag Boat Alley Boards » Drag Boat Racing - Technical Discussion Board » Engine Building & Performance Tuning » Blower overdrive % (Page 3)
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Author Topic: Blower overdrive %
Carnival Ride
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quote:
Originally posted by pisston in the wind 2050:
jet 2a
468 bbc
1471
52over
38psi
8000 rpm
meth
Nothin like leaning on there Craig, 38psi @ 8000rpm [Eek!]

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Carnival Ride #014

"Just a ski boat with bark"
Posts: 1150 | From: Derby, Kansas, 67037  |  IP: Logged | Report this post to a Moderator
Travis Howard
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very useful info to me. pretty new to the blower game. am very intrested in building a blown bbc.

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young in the game.
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pisston in the wind 2050
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Build the hell out of it with all of the best parts!! If you cant WAIT until you can!! Or get a bank loan. It will be cheaper in the long run BTDT

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Aint Quite There Yet Still Pisston In The Wind (Aint Rite Racin )ARR Crew chief Craig Moss, Driver Jeff BamBam Lawson,Crew Leader Jeff Big MacDonald
Posts: 104 | From: sapulpa okla 74066  |  IP: Logged | Report this post to a Moderator
Mike Boyce
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510 ci.
brodix heads
1071 blower
alk
32 over 7200 rpm
8.00 sec 1/4 mile
6.00 sec malvern
Posts: 38 | From: Broken Arrow,Okla. 74012  |  IP: Logged | Report this post to a Moderator
Mike Boyce
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I forgot to say flatbottom
Posts: 38 | From: Broken Arrow,Okla. 74012  |  IP: Logged | Report this post to a Moderator
chad 642
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We have had matt building motors it's just he had to salvage what was left of my junk after the last motor builder got ahold of it found out marble falls was caused by a stretched connecting rod cap that was hard on parts still broke out with a 7.89 at 7500 with only eighteen pounds of boost before the big one

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Slow down?..........Whats that mean!!
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David 519
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Finally got some actual numbers...
565" BBC in a Canyon flat
8-71 on alcohol, 80A-1 pump
4% under, about 6-7 lbs boost at 7500 RPM.
7.90's at mid 130's with the boat glued in. Should knock 2 tenth's off if I ever drive it right!!
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wagspe208
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That can't be. You have to drive it +20.
Wags

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The viewpoints expressed by Wags (Steven M. Wagner) are the sole opinion/ viewpoint of Steven M. Wagner and in no way shape or form should reflect upon any other individual, entity, association, organization, etc.
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Pontiac man
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Probably more than that in a flat thats "glued" in !

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What-Ever !
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David 519
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quote:
Originally posted by Pontiac man:
Probably more than that in a flat thats "glued" in !
Yea, we ran 7.76 @ 138 with the same motor tune up last weekend in Bakersfield. Still think there's another 4-6 hundredths left in the hull tune up with a gear change!!!
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Hatski
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over driving the Super Charger has more effect on how SOON the Blower makes boost, and not how MUCH boost is made.

provided the blower isn't to small or Way under driven.
Posts: 46 | From: Tulsa, Ok. 74129  |  IP: Logged | Report this post to a Moderator
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