How Much Boost????
07-17-2004, 12:08 AM
#11
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Re: How Much Boost????
we were warmin boat up last year during mi hot boat assn. day,cruisin along about 60-you blew by- we could here them turbos!! I opened boat up to 83-84 mph and you walked away,,Smitty
Last edited by articfriends; 12-02-2004 at 04:02 PM.
07-17-2004, 06:27 AM
#12
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Re: How Much Boost????
8.0 to 1 static compression
10.9psi manifold boost at 5600rpm
540cubic inch 4.5bore 4.25stroke
AFR CNC 335cc heads with Felpro gaskets (studs)
Crane hydraulic roller #741 234¢@50
M4 Procharger (8.5" lower pulley, 5" upper) with 504 procharger intercooler (soon will be changing to Rtech)
160hrs?
No idea what horsepower is never dynoed
10.9psi manifold boost at 5600rpm
540cubic inch 4.5bore 4.25stroke
AFR CNC 335cc heads with Felpro gaskets (studs)
Crane hydraulic roller #741 234¢@50
M4 Procharger (8.5" lower pulley, 5" upper) with 504 procharger intercooler (soon will be changing to Rtech)
160hrs?
No idea what horsepower is never dynoed
07-18-2004, 07:59 PM
#13
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Re: How Much Boost????
ttt
Come on Boost is your friend.
Post what you Got!!!!!!
Come on Boost is your friend.
Post what you Got!!!!!!
07-18-2004, 09:07 PM
#14
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Re: How Much Boost????
Static compression? 8.25
Boost pressure? 10lbs
Displacement? 540ci
Heads? AFR 357cc
Cam? ~265 DURATION @.50 .680 LIFT SOLID LIFTERS
Intercooled? Whipple
Type of supercharger? Quad rotor EFI Whipple
Engine Hours? 10Hrs
Made 1050Hp on the dyno, pump gas 93 octane
Boost pressure? 10lbs
Displacement? 540ci
Heads? AFR 357cc
Cam? ~265 DURATION @.50 .680 LIFT SOLID LIFTERS
Intercooled? Whipple
Type of supercharger? Quad rotor EFI Whipple
Engine Hours? 10Hrs
Made 1050Hp on the dyno, pump gas 93 octane
07-19-2004, 11:57 AM
#16
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Re: How Much Boost????
Originally Posted by check300
I'm using a twin turbo setup.
7.5:1 static
20lbs boost
ported dart 360 heads
solid roller cam
modified superchiller intercooler
50 hrs
7.5:1 static
20lbs boost
ported dart 360 heads
solid roller cam
modified superchiller intercooler
50 hrs
Check300,
Can you post any pictures of that setup?
I'd love to see it.
John
07-22-2004, 03:08 PM
#17
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Re: How Much Boost????
Theres gotta be more. 
Keep them coming.
Keep them coming.
07-26-2004, 11:05 AM
#18
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Location: Lake Michigan
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Re: How Much Boost????
Static compression? 8:1
Boost pressure? 6# goin to 7# next week
Displacement? 557ci
Heads? Canfield 350cc
Cam? Isky roller, 248*/258*-.607-.618,114*cl
Intercooled? nope...
Type of supercharger? 10-71 BlowerShop 4%OD
Engine Hours? 34hrs My total timing is 30*...should i be at 32* or more? when i got the boat back they where at 34* but my boost was only at 5# then. a few people told me to pull it back a bit.
Boost pressure? 6# goin to 7# next week
Displacement? 557ci
Heads? Canfield 350cc
Cam? Isky roller, 248*/258*-.607-.618,114*cl
Intercooled? nope...
Type of supercharger? 10-71 BlowerShop 4%OD
Engine Hours? 34hrs My total timing is 30*...should i be at 32* or more? when i got the boat back they where at 34* but my boost was only at 5# then. a few people told me to pull it back a bit.
Last edited by Back4More; 07-26-2004 at 11:09 AM.
09-28-2004, 09:05 AM
#19
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Re: How Much Boost????
Got Boost?
09-28-2004, 09:19 AM
#20
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Re: How Much Boost????
We have a customer who we build the engines for in a Daytona we run a 4.625 bore by 4.625 stroke the cyl heads are 125 cc and a flat top piston with one of our custom cams solid roller we run 9.5 lbs of boost with no inter cooler on 93 oct and run 119 mph at 5900rpm it is currently the fastest boat of its size in the Miami area. It has taken quite of work to make the combo work and its all in the cam we have had at least 5 cams before we had this one and I can tell you that the lobe sep has been the key. Ill give a clue its not from 110-114. Sincerely Laz Mesa
