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Search: Posts Made By: Bonzen
Showing results 1 to 25 of 29
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Forum: General Q & A
06-06-2016, 12:39 AM
Replies: 45
Views: 20,357
Posted By Bonzen

Yes the MAP sensor is brand new and being used....

Yes the MAP sensor is brand new and being used. Kpa / MAP readings are good as veiwed on the laptop.

The camshaft I am running was verified by COMP to be computer friendly. If it wasn't I would...
Forum: General Q & A
05-23-2016, 03:42 PM
Replies: 45
Views: 20,357
Posted By Bonzen

Thats pretty much what I do...throttle is on or...

Thats pretty much what I do...throttle is on or off! Only problem is the 50 gallons of gas in the tanks don't last too long that way!
Forum: General Q & A
05-23-2016, 01:59 PM
Replies: 45
Views: 20,357
Posted By Bonzen

Update...lake tested again yesterday but still no...

Update...lake tested again yesterday but still no success. Bypassed the vapor return system with the return plumbing but still no change. Plumbed in a low pressure boost pump into the fuel feed line...
Forum: General Boating Discussion
05-22-2016, 12:26 AM
Replies: 14
Views: 2,140
Posted By Bonzen

I ended up doing that today. The return line...

I ended up doing that today. The return line plumbs straight back to the tank and the 3rd port on the pump is capped off. Going to try to lake test tomorrow and see if it runs better with the...
Forum: General Q & A
05-21-2016, 02:28 PM
Replies: 45
Views: 20,357
Posted By Bonzen

The TBI builder that built me my custom TBI is...

The TBI builder that built me my custom TBI is sending me a brand new high pressure diaphragm and spring just to eliminate the possibility of that being some issue. I am going to re-plumb/eliminate...
Forum: General Boating Discussion
05-21-2016, 02:22 PM
Replies: 14
Views: 2,140
Posted By Bonzen

Yes voltage stays constant.

Yes voltage stays constant.
Forum: General Q & A
05-21-2016, 03:16 AM
Replies: 62
Views: 9,903
Posted By Bonzen

FYI you don't have to pull the exhaust to remove...

FYI you don't have to pull the exhaust to remove the lower valve cover bolts. I have a 454 with stock aluminum valve covers and I have pulled them plenty of times using a 1/4 socket, swivel and long...
Forum: General Q & A
05-20-2016, 06:02 PM
Replies: 45
Views: 20,357
Posted By Bonzen

Weird! My fuel pump is after the water...

Weird! My fuel pump is after the water separator, but before the actual fuel filter. There are a few 90 degree bends and the lines are somewhat kinked and old. I may end up making new lines and...
Forum: General Boating Discussion
05-20-2016, 04:30 PM
Replies: 14
Views: 2,140
Posted By Bonzen

I appreciate all ideas! More heads together the...

I appreciate all ideas! More heads together the better to figure out a very weird issue.
Forum: General Q & A
05-20-2016, 03:10 PM
Replies: 45
Views: 20,357
Posted By Bonzen

If you have no OE return line where does the...

If you have no OE return line where does the unused fuel go? Gets dumped back into the throttle body/carb? Aren't you running a multi port injection system though?
Forum: General Boating Discussion
05-20-2016, 03:08 PM
Replies: 14
Views: 2,140
Posted By Bonzen

No have not done that. Have only checked plugs...

No have not done that. Have only checked plugs after a normal shutdown and they are not lean. I don't think it's flooding the cylinder with too much fuel here as the FP gauge drops major pressure...
Forum: General Q & A
05-20-2016, 01:46 PM
Replies: 45
Views: 20,357
Posted By Bonzen

10-4 sounds like the easier thing to do. Just...

10-4 sounds like the easier thing to do. Just need to cap a fitting off and extend the return hose.

I hate messing with factory fuel plumbing because I always assume there is a safety reason it is...
Forum: General Boating Discussion
05-20-2016, 01:20 PM
Replies: 14
Views: 2,140
Posted By Bonzen

I don't think it's a tuning issue. I have had...

I don't think it's a tuning issue. I have had forum member TRASH out on the lake with me twice pulling real time data with the MEFIBURN software and he has not seen any weird holes in the fuel...
Forum: General Q & A
05-20-2016, 01:11 PM
Replies: 45
Views: 20,357
Posted By Bonzen

SB - No vacuum lines or wires going to the...

SB -

No vacuum lines or wires going to the pump or the vapor return system.

Ended up buying a new pump, will see it it remedies the issue. The new pump supposedly puts out a little more PSI so...
Forum: General Q & A
05-19-2016, 11:28 PM
Replies: 45
Views: 20,357
Posted By Bonzen

A guy over on the mastercraft forum says this is...

A guy over on the mastercraft forum says this is a vapor return system. It was some coast guard thing to eliminate vapor lock but it didn't really work well. He says it flows away from the pump. so...
Forum: General Q & A
05-19-2016, 11:00 PM
Replies: 45
Views: 20,357
Posted By Bonzen

haha we actually checked the alt belt tension and...

haha we actually checked the alt belt tension and slightly tightened it just for the heck of it.

Alternator is charging at 13.5 volts off the back posts checked with voltmeter.

Fuel pump...
Forum: General Q & A
05-19-2016, 10:27 PM
Replies: 45
Views: 20,357
Posted By Bonzen

Pics of setup/plumbing and RPM vs. AFR readings ...

Pics of setup/plumbing and RPM vs. AFR readings

http://www.performanceboats.com/attachment.php?attachmentid=888482&stc=1&thumb=1&d=1463637802
...
Forum: General Q & A
05-19-2016, 10:20 PM
Replies: 45
Views: 20,357
Posted By Bonzen

Reviving this thread from the dead because I have...

Reviving this thread from the dead because I have updates... installed the wideband AFR gauge & sensor. cnc'd custom adaptor plate...and lake tested it... AFR gauge says LEAN in flat spot. So looks...
Forum: General Boating Discussion
05-19-2016, 09:56 PM
Replies: 14
Views: 2,140
Posted By Bonzen

FPR is part of the stock TBI setup. same way it...

FPR is part of the stock TBI setup. same way it came from the factory. I have replaced numerous spring rates/diaphragms with no change in the issue. I have also adjusted the regulator for pressures...
Forum: General Boating Discussion
05-19-2016, 01:10 AM
Replies: 14
Views: 2,140
Posted By Bonzen

Does anyone know what this fuel system part is?

I'm chasing a weird fuel pressure issue at around 3/4 throttle where my pressure goes from 30-ish psi to 20psi instantaneously causing major stumbling/flat spot and then back to 30psi once I push...
Forum: General Q & A
06-29-2015, 12:22 PM
Replies: 45
Views: 20,357
Posted By Bonzen

You sayin chicks aren't fans of the "redneck...

You sayin chicks aren't fans of the "redneck carburetor"? ha!

I'll just add more sound system that usually does the job...
Forum: General Q & A
06-29-2015, 11:14 AM
Replies: 45
Views: 20,357
Posted By Bonzen

I filled out the calculator at...

I filled out the calculator at https://www.rbracing-rsr.com/calcinjpulse.html and it says I have enough injector at 85% duty cycle to support almost 400hp. The injectors are rated at 13psi, so at my...
Forum: General Q & A
06-28-2015, 01:16 PM
Replies: 45
Views: 20,357
Posted By Bonzen

Link was dead...can you check it and post again?...

Link was dead...can you check it and post again? Id be interested in reading it.
Forum: General Q & A
06-27-2015, 03:15 PM
Replies: 45
Views: 20,357
Posted By Bonzen

I have done about 1000 hours of research on...

I have done about 1000 hours of research on injector size, & TBI mods. Talked to all the back east TBI experts on message boards and on the phone. Everything you are saying makes sense and is true,...
Forum: General Q & A
06-26-2015, 01:40 PM
Replies: 82
Views: 14,299
Posted By Bonzen

Driveline vibration kills top speed and HP of any...

Driveline vibration kills top speed and HP of any vehicle, I agree with the member who brought that up..that could be your entire issue right there.
Showing results 1 to 25 of 29
 
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