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Search: Posts Made By: alcor
Showing results 1 to 25 of 141
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Forum: General Boating Discussion
05-02-2007, 10:59 PM
Replies: 5
Views: 915
Posted By alcor

BINGO! That was my thought as well. Pulled the...

BINGO! That was my thought as well. Pulled the pump, only thing left was the hub of the impeller with two ears; missing 6 "ears". Took the transmission cooler and oil coilers off and found what was...
Forum: General Q & A
05-02-2007, 05:55 PM
Replies: 3
Views: 957
Posted By alcor

Sea Pump delima

After making a high speed pass, I pull the throttle off to one engine to check spark plugs and slowly pulled back on the other engine idling in the rest of teh way to teh dock on one engine. Put it...
Forum: General Boating Discussion
05-02-2007, 04:49 PM
Replies: 5
Views: 915
Posted By alcor

Sea Pump delima

After making a high speed pass, I pull the throttle off to one engine to check spark plugs and slowly pulled back on the other engine idling in the rest of teh way to teh dock on one engine. Put it...
Forum: General Boating Discussion
05-01-2007, 09:39 PM
Replies: 33
Views: 5,445
Posted By alcor

I have the regs set at 7.5 psi. At 4500 rpm's...

I have the regs set at 7.5 psi. At 4500 rpm's they were holding just over 6 psi. Running very briefly at 5000 rpm's the fuel pressure was still just over 6 psi.
Forum: General Boating Discussion
05-01-2007, 09:25 PM
Replies: 33
Views: 5,445
Posted By alcor

Pretty sure on the timing. Was sitting about 6"...

Pretty sure on the timing. Was sitting about 6" from that blower belt while they were turning 3000 rpm and we were at 30 degrees.
Forum: General Q & A
05-01-2007, 08:59 PM
Replies: 18
Views: 6,983
Posted By alcor

Well, I got it in the water this evening with the...

Well, I got it in the water this evening with the boost referenced PV vacuum line hooked up; how should I say this?

A quote from the move Days of Thunder comes to mind......"Don't touch a thing...
Forum: General Boating Discussion
05-01-2007, 08:55 PM
Replies: 33
Views: 5,445
Posted By alcor

Well, I got it in the water this evening with the...

Well, I got it in the water this evening with the boost referenced PV vacuum line hooked up; how should I say this?

A quote from the move Days of Thunder comes to mind......"Don't touch a thing...
Forum: General Boating Discussion
05-01-2007, 07:33 AM
Replies: 33
Views: 5,445
Posted By alcor

Now that's encourging! These were set-up for 4...

Now that's encourging! These were set-up for 4 pounds of boost as the engines are still high stock compress ratio. Were they Holleys or Barry Grants? Do you happen to know what jets sizes he was...
Forum: General Q & A
04-30-2007, 09:54 PM
Replies: 18
Views: 6,983
Posted By alcor

Carburetors work based upon pressure...

Carburetors work based upon pressure differential. As your engine draws air through the carburetor it creates a low pressure in the center of the carburetor. The difference of this pressure, and...
Forum: General Boating Discussion
04-30-2007, 09:37 PM
Replies: 33
Views: 5,445
Posted By alcor

Thanks for the input. I'm going to try these a...

Thanks for the input. I'm going to try these a bit more, especially after speak with the Grant guys today and learning of the needed feed between the primary and the manifold; simply never knew of...
Forum: General Boating Discussion
04-30-2007, 09:30 PM
Replies: 33
Views: 5,445
Posted By alcor

Ok guys the "rookie" is back with an up-date....

Ok guys the "rookie" is back with an up-date. Spoke to the guys at Barry Grant today. First, no one mentioned the fact that these 850 carbs had "blower referenced" power valves on the primaries;...
Forum: General Q & A
04-29-2007, 08:39 AM
Replies: 18
Views: 6,983
Posted By alcor

If I go to daul carbs, do I need to do anything...

If I go to daul carbs, do I need to do anything to the fuel supply system relative to volume? I currently have 1/2" lines from the tanks, into a 110 gph 12 psi mechanical fuel pump, feeding an...
Forum: General Q & A
04-29-2007, 08:36 AM
Replies: 18
Views: 6,983
Posted By alcor

Do you have his number? With any luck, maybe he...

Do you have his number? With any luck, maybe he has a set he could ship me. Thanks.
Forum: General Boating Discussion
04-29-2007, 08:33 AM
Replies: 33
Views: 5,445
Posted By alcor

Jetting by Vacuum readings was obtaine doff the...

Jetting by Vacuum readings was obtaine doff the holley carb site. Thanks for the spark plug reading article; I've been looking that the procelain as the main indicator forever.
Forum: General Boating Discussion
04-29-2007, 08:21 AM
Replies: 33
Views: 5,445
Posted By alcor

Wish I had during the off season. Hate to miss...

Wish I had during the off season. Hate to miss the Tickfaw this coming weekend. I would take ti over to them but I'm afraid it would be weeks before they got to it. May just bit teh bullet and order...
Forum: General Boating Discussion
04-29-2007, 08:17 AM
Replies: 33
Views: 5,445
Posted By alcor

I know pressure and volume is two differrent...

I know pressure and volume is two differrent things but, the fuel pressure (at the inlet manifold to carb) guage indicates 6 psi when running at 4500 rpm. Theses "pops" seem to occur over 4000 psi...
Forum: General Boating Discussion
04-29-2007, 08:10 AM
Replies: 33
Views: 5,445
Posted By alcor

Yes, I am using single 850 set-up. The primaries...

Yes, I am using single 850 set-up. The primaries are now 96 with 98 secondaries. I just changed them to 98 primaries and 100 secondaries but have not been able to get back on teh water. My bet is...
Forum: General Q & A
04-28-2007, 06:20 PM
Replies: 18
Views: 6,983
Posted By alcor

Sounds like new carbs. They have much bigger jets...

Sounds like new carbs. They have much bigger jets for the 850. Are we basically saying there is no way to get these bradn new 850's to work regardles of the jets size?

Al
Forum: General Q & A
04-28-2007, 01:36 PM
Replies: 18
Views: 6,983
Posted By alcor

fuel lines are 1/2" all the way back to the...

fuel lines are 1/2" all the way back to the tanks. Pumps are 110 gph, 12 psi with aeromotivce regulator reducing pressure back down to 8 psi at the carbs.
Forum: General Boating Discussion
04-28-2007, 01:27 PM
Replies: 33
Views: 5,445
Posted By alcor

The vacuum reading method comes off the Holley...

The vacuum reading method comes off the Holley carb site. We have been reading the plugs all along. While they are nolonger white white, they are whiter than they are tan/brown again indicating that...
Forum: General Boating Discussion
04-28-2007, 01:21 PM
Replies: 33
Views: 5,445
Posted By alcor

The fuel liens are 1/2 inch and using 110 GPH 12...

The fuel liens are 1/2 inch and using 110 GPH 12 psi carbs with Aeromotive regulators.
Forum: General Boating Discussion
04-28-2007, 11:25 AM
Replies: 33
Views: 5,445
Posted By alcor

Can you use vacuum reading to jet after...

Can you use vacuum reading to jet after installing blowers? Does that technic still work?

Al
Forum: General Boating Discussion
04-28-2007, 10:59 AM
Replies: 33
Views: 5,445
Posted By alcor

Jetting after installing 250 bloowers - Help!

It's been a while , but here I am again needing more help form the keepers of all the world knowledge regarding these go fast boat.

Long story made short, we had popping (through carbs) on top end...
Forum: General Q & A
04-28-2007, 10:53 AM
Replies: 18
Views: 6,983
Posted By alcor

Jetting after installing 250 blowers with 850 Barry Grants

It's been a while , but here I am again needing more help form the keepers of all the world knowledge regarding these go fast boat.

Long story made short, we had popping (through carbs) on top end...
Forum: General Boating Discussion
04-16-2006, 11:47 AM
Replies: 10
Views: 1,843
Posted By alcor

Re: New 250 Super Charger jetting question.

Jim. After thinking about it more, the fuel levels in the primary sight glasses appeared to be well above the highesat marks on teh sight glasses I initially installed and ran them. The primary...
Showing results 1 to 25 of 141
 
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