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Search: Posts Made By: Formula252ss
Showing results 1 to 25 of 29
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Forum: General Q & A
08-01-2017, 05:03 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Well, after all is said and done. I have a fuel...

Well, after all is said and done. I have a fuel system working at 30 psi consistently . Next step is to borrow a local aquaintance's vst and see if that changes anything. If 30 psi was spec, and I...
Forum: General Q & A
07-28-2017, 07:24 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Sounds good. Thank you for the reply. Too many...

Sounds good. Thank you for the reply. Too many issues at one time. Tough to stay focused. Got a leaking drive and a froathy oil fill cap as well. Trying to just get my fuel system sorted before I...
Forum: General Q & A
07-28-2017, 05:51 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

I have some thinking to do. Appreciate the offer,...

I have some thinking to do. Appreciate the offer, I'll let you know. Thanks.
Doug
Forum: General Q & A
07-28-2017, 05:29 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Something's up in the vs tank. If I tap the tank...

Something's up in the vs tank. If I tap the tank next to the pump with the handle of a screwdriver the pressure slowly rises and becomes erratic as it was the other day. I need to change the fuel...
Forum: General Q & A
07-28-2017, 03:21 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

No good

Having a rough time over here. Able to dead head the pump to whatever I want, but still a constant 30psi on the gauge with a new regulator. Maybe my gauge is wrong. Maybe the new regulator is bad....
Forum: General Q & A
07-25-2017, 06:12 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Friday is regulator r&r

Friday is regulator r&r
Forum: General Q & A
07-25-2017, 05:46 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

No improvement in rpm. Once again I still am down...

No improvement in rpm. Once again I still am down 10psi of fuel pressure, but I'm beginning to think that issue is not the problem. We'll see.
Forum: General Q & A
07-25-2017, 05:09 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Originally I had low fuel pressure due to an...

Originally I had low fuel pressure due to an internal leak at the high pressure pump. Fixed that. Then we had high, erratic fuel pressure. That one was a bit of a mystery to me. One theory was an...
Forum: General Q & A
07-25-2017, 02:06 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

The symptom could lead you to believe there is an...

The symptom could lead you to believe there is an exhaust restriction, but there's really no opportunity for that. The boat has "silent thunder" exhaust. It's pretty awesome. There is a water box on...
Forum: General Q & A
07-25-2017, 12:45 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Picking up injectors today. Shop said 4 flowing...

Picking up injectors today. Shop said 4 flowing at 80ml 2 at 75ml. Now they are all at 90. We'll see if that actually makes a difference. Picking them up at 4:30.
Forum: General Q & A
07-25-2017, 05:33 AM
Replies: 57
Views: 7,141
Posted By Formula252ss

Injectors have been dropped of for service. My...

Injectors have been dropped of for service. My logic is this, even if it doesn't fix my rpm/power issue, I can now be confident fuel distribution is proper and I won't melt any engine parts. Stay...
Forum: General Q & A
07-22-2017, 06:54 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Big moves today, found a cracked o ring atop the...

Big moves today, found a cracked o ring atop the high pressure fuel pump causing a hemerage. Fixed that. Now I have mega fuel pressure. 50-60 psi. 70 if I deadhead the pump. Drivability issues still...
Forum: General Q & A
07-21-2017, 04:04 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Trash, you had declining fuel pressure as load...

Trash, you had declining fuel pressure as load increased? I'm stuck on injectors also because the low and high pressure pump have been replaced for reliability purposes. The regulator, injectors and...
Forum: General Q & A
07-21-2017, 08:13 AM
Replies: 57
Views: 7,141
Posted By Formula252ss

Timing was a thought, but there is a known fuel...

Timing was a thought, but there is a known fuel issue needing corrected at this time, if the problem persists, other systems will be looked at.
Forum: General Q & A
07-20-2017, 06:15 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Good deal. Ordered clear line from amazon. Got...

Good deal. Ordered clear line from amazon. Got work again tonight and tomorrow so back at it Saturday morning. Thanks again for the help. I love fuel injection, accept when it's from the mid 90's.
...
Forum: General Q & A
07-20-2017, 05:44 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

I'm 100% cool with ditching the entire system as...

I'm 100% cool with ditching the entire system as long as i can get the rail to play with a different pump and reg. Sending return back to the tank is cake.
Forum: General Q & A
07-20-2017, 05:13 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

This is not the cool fuel setup. This has an old...

This is not the cool fuel setup. This has an old school lift pump driven by the accessories feeding the vst which houses the high pressure fuel pump. Stupid vst is a giant carb bowl with an electric...
Forum: General Q & A
07-20-2017, 05:11 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Is there a regulator on top of the vst? Or just...

Is there a regulator on top of the vst? Or just the one near the test port on the rail? What is under the Allen bolt atop the vst just between the two pump leads?

Once again, thanks for the...
Forum: General Q & A
07-20-2017, 04:57 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Agreed, but why. Injectors leaking down? No gas...

Agreed, but why. Injectors leaking down? No gas smell out of the exhaust upon startup. regulator leaking down, pump output weak or lack of supply. Need to install clear fuel tube to check for air on...
Forum: General Q & A
07-20-2017, 04:18 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Diag run

Key on engine off primes to 25,settles to 15 starts quickly

idle with vac ref 35psi
idle with no ref 40

cruise, 33-34psi w ref
cruise 33-34psi no ref

wot 31 w ref
wot 31-32 no ref.
Forum: General Q & A
07-20-2017, 02:29 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Just had a thought. last season, the loss of...

Just had a thought. last season, the loss of power was accompanied by undesired sounds at Higher rpm (not mechanical, but almost sounded like detonation). At the end of the season, once hauled, I...
Forum: General Q & A
07-20-2017, 01:54 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

I will recheck fuel psi at wot, and all other...

I will recheck fuel psi at wot, and all other scenarios. Helps to write all this down and re-read.

Thanks again.
Forum: General Q & A
07-20-2017, 01:45 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Ok. Next step...validating proper low pressure...

Ok. Next step...validating proper low pressure fuel to vst tank. The low pressure pump has 100 hrs on it. I know that doesn't mean much, but I did replace it when I purchased the boat.
Forum: General Q & A
07-20-2017, 01:34 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

Anti siphon has been inspected, and replaced due...

Anti siphon has been inspected, and replaced due to the fact that it's 16$. The old one didn't look too bad. Good thought on checking vacuum. All the vac lines have been replaced with new, clear fuel...
Forum: General Q & A
07-20-2017, 01:24 PM
Replies: 57
Views: 7,141
Posted By Formula252ss

With manifold vacuum connected.

With manifold vacuum connected.
Showing results 1 to 25 of 29
 
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