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Search: Posts Made By: NHGuy
Showing results 1 to 13 of 13
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Forum: General Q & A
10-06-2022, 06:55 PM
Replies: 52
Views: 6,130
Posted By NHGuy

I just went through the small block version of...

I just went through the small block version of this. I had the engine apart and found the inside diameter of the oil pump feed lines and used that as a guide. Using some logic I have seen in OSO I...
Forum: General Q & A
09-14-2022, 08:34 PM
Replies: 8
Views: 693
Posted By NHGuy

I think you are going to be knocking on the door...

I think you are going to be knocking on the door of 440 horse once sorted. I got 407 horse on a 383 with the smallest runner Dart Iron Eagles. Like 165cc. I did port them though. Do all the...
Forum: General Q & A
09-14-2022, 08:03 PM
Replies: 18
Views: 1,865
Posted By NHGuy

Do you know if your cruise vacuum will be low...

Do you know if your cruise vacuum will be low enough to actuate the PV's? If so that will richen things up, as you want. And then if it's too fat at higher rpm, you can take out some jet from the...
Forum: Do It Yourself, Boating on a Budget
07-27-2021, 05:16 AM
Replies: 12
Views: 4,947
Posted By NHGuy

Rich idle, Quickfuel has no Powervalve Blowout Protection

I have been working on dialing in my Quickfuel M-750. Particularly the midrange AFR at the top of my primary rpm just before my secondaries open.

Those of you who speak carburetor will know that...
Forum: General Q & A
07-23-2021, 05:04 AM
Replies: 1
Views: 554
Posted By NHGuy

I hope you have wideband AFR. It makes all this...

I hope you have wideband AFR. It makes all this way easier.

You need widebands, jet kits, some reusable fuel bowl gaskets, and a vacuum gauge.
Air bleeds and squirters are later.


But, put...
Forum: Formula
07-09-2021, 01:35 PM
Replies: 2
Views: 568
Posted By NHGuy

Once I burned off about 36 gallons she would go...

Once I burned off about 36 gallons she would go lean on takeoff, even run out and stall. I wasn't sure what was up but I thought it had run out by looking at the fuel pressure and the afr. Plus I...
Forum: Formula
07-09-2021, 09:00 AM
Replies: 2
Views: 568
Posted By NHGuy

Fuel pickup

My 87 F223LS fuel pickup started pulling air when below about 60% full. I contacted the tank manufacturer, Florida Marine Tanks. I spoke with a very helpful

Tristan Ince
Customer Service
FMT...
Forum: Do It Yourself, Boating on a Budget
05-29-2021, 08:11 AM
Replies: 6
Views: 735
Posted By NHGuy

help me pick jets

Chevy 383, 10.3:1, Quickfuel Marine 750 which can be treated like a Holley double pumper with 4 corner idle. Has very similar design and many parts interchange.
I ran the boat yesterday, cooler...
Forum: Do It Yourself, Boating on a Budget
05-21-2021, 02:45 PM
Replies: 5
Views: 1,389
Posted By NHGuy

Last summer I was getting a lean stumble at mid...

Last summer I was getting a lean stumble at mid rpms after a few minutes steady speed.
When it happened the AFR would shoot up, and If I throttled back or if it stalled, it would have normal air/...
Forum: Do It Yourself, Boating on a Budget
10-15-2020, 04:28 AM
Replies: 7
Views: 2,957
Posted By NHGuy

Yes, maybe I didn't say it well, but I did a...

Yes, maybe I didn't say it well, but I did a prefilter with Holley's recommended 100 micron rating.
So today if it passes a leak check I will get one more ride before winterizing.
Forum: Do It Yourself, Boating on a Budget
08-17-2020, 10:42 AM
Replies: 25
Views: 3,988
Posted By NHGuy

i will be up Weds & Thurs in Moultonboro. But...

i will be up Weds & Thurs in Moultonboro. But will be all over!
Forum: Do It Yourself, Boating on a Budget
07-25-2020, 12:08 PM
Replies: 12
Views: 3,047
Posted By NHGuy

I used to have an 88 Baja with a tank in the...

I used to have an 88 Baja with a tank in the port stern beside the engine. That tank had a bung welded to the top. The bung had inside threads and had a pickup tube that went straight down with a 90...
Forum: General Q & A
10-01-2019, 10:12 AM
Replies: 10
Views: 8,917
Posted By NHGuy

You can swap the sensors between the engines too....

You can swap the sensors between the engines too. See if the problem stays with the engine or the sensor.
Showing results 1 to 13 of 13


 
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