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Search: Posts Made By: 496 BB
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05-28-2026, 09:21 PM
Replies: 15
Views: 711
Posted By 496 BB

Will do tomorrow. Kind of like it in the sea pump...

Will do tomorrow. Kind of like it in the sea pump output hose better since that seems that would be the best indication of it going bad sooner. Maybe it's just in my head LOL.
05-28-2026, 03:54 PM
Replies: 15
Views: 711
Posted By 496 BB

https://cimg4.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg4.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x926/20260528_130459_3eb18ab9777d5578b0b6291a1c365ba692d55a3a.jpg
05-27-2026, 11:12 PM
Replies: 15
Views: 711
Posted By 496 BB

Just ordered one. Thx! So when would anyone...

Just ordered one. Thx!

So when would anyone worry about oil temps? I put my sensor in bottom of pan by sump. I see 240* wot and wont climb. Ive never had an oil temp gauge in anything so need to...
05-26-2026, 01:45 PM
Replies: 15
Views: 711
Posted By 496 BB

Its stock setup and not closed cooling but I see...

Its stock setup and not closed cooling but I see ur point
05-26-2026, 11:19 AM
Replies: 15
Views: 711
Posted By 496 BB

Thats what I was looking for yesterday! Got a...

Thats what I was looking for yesterday! Got a link of that fitting? Thx!

Also whats ur oil temp at 3/4 to full throttle? Mine climbs to 140* and stays there till I bring it back down.
05-26-2026, 09:00 AM
Replies: 15
Views: 711
Posted By 496 BB

Water psi???

Got new autometer gauges in and am wondering about the water psi gauge. I have it screwed into the SB side intake plug right next to tstat in my hp500. Is this a ideal spot because Im only getting...
04-26-2026, 02:25 PM
Replies: 11
Views: 1,075
Posted By 496 BB

UPDATE: As for the leaking manifold I had to...

UPDATE: As for the leaking manifold I had to shave down the ARP head bolts on bottom to get it to align correctly. All seems good now and no leaks there anymore. Not sure about inside but none on...
04-19-2026, 01:36 PM
Replies: 11
Views: 1,075
Posted By 496 BB

https://cimg6.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg6.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x926/20260417_143240_48b27e4afd82e17a8aae207932dda7eef7dc7ac6.jpg
04-19-2026, 01:34 PM
Replies: 11
Views: 1,075
Posted By 496 BB

https://cimg1.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg1.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x926/20260417_143229_8dd6cf27c777e41caaee4b7524974d1e14f39939.jpg...
04-18-2026, 09:06 AM
Replies: 11
Views: 1,075
Posted By 496 BB

Will do. Will fix exhaust leak today and report...

Will do. Will fix exhaust leak today and report back. Stock 088 heads. Guides and seats were good from what I was told.Only had 1 broken inner spring on factory springs.
04-17-2026, 08:54 PM
Replies: 11
Views: 1,075
Posted By 496 BB

Sorry didnt answer first part. Yes I had a little...

Sorry didnt answer first part. Yes I had a little reversion with it before but not nearly as bad now. It would milk oil a little but not a qt or two in 15 to 20 mins.
04-17-2026, 08:52 PM
Replies: 11
Views: 1,075
Posted By 496 BB

Stock Mercruiser Manifolds witj Gil risers. I can...

Stock Mercruiser Manifolds witj Gil risers. I can see what ur saying with the leak creating pulses. Main issue is the milky oil at this point though. Wouldnt it hydrolock motor if leaking that much...
04-17-2026, 05:04 PM
Replies: 11
Views: 1,075
Posted By 496 BB

Angry Water in oil HELP!

At my wits end with this damn motor. Its a 1997 HP500 Carb. Had the heads redone with new valves, springs, ect this winter. Changed cam over to a Teaque 525 cam hoping it would change the reversion...
04-07-2026, 06:57 AM
Replies: 16
Views: 1,069
Posted By 496 BB

Easy enuff. Thx!

Easy enuff. Thx!
04-06-2026, 06:52 PM
Replies: 16
Views: 1,069
Posted By 496 BB

https://cimg5.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg5.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x926/20260404_202240_0938f83a757c8112cee743a85e78a32f4e132c6e.jpg
I want to run the engine on this stand before I install in the boat...
04-06-2026, 06:05 PM
Replies: 16
Views: 1,069
Posted By 496 BB

https://cimg6.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg6.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x926/20260406_190328_ae9fe2f005560e5cfcbba2c76c34fa62ba33bf13.jpg
U need back pressure on the line though right? As in just cant feed...
04-06-2026, 02:26 PM
Replies: 16
Views: 1,069
Posted By 496 BB

Got any pics of this setup? And its a HP500...

Got any pics of this setup?

And its a HP500 Carb engine outside the boat. So someone is saying I dont need the actual motor water circation pump working while running? I mean I did already do this...
04-05-2026, 05:04 PM
Replies: 16
Views: 1,069
Posted By 496 BB

Startup outside boat

Any ideas on how to get water pump on motor to turn when starting motor outside the boat? Have belt off of power steering so dont burn pump up and that connects to water pump. Surely its been done...
01-21-2026, 06:04 PM
Replies: 7
Views: 455
Posted By 496 BB

So can I do coolant passage in intake by number 1...

So can I do coolant passage in intake by number 1 cyl? I dont want the rust in the block area to clog the fitting. Guess it could happen anywhere.

Also can I use either one of these locations for...
01-21-2026, 05:02 PM
Replies: 7
Views: 455
Posted By 496 BB

Smart feller there ^^^^

Smart feller there ^^^^
01-20-2026, 04:13 PM
Replies: 7
Views: 455
Posted By 496 BB

Sensor locations

Have a water psi gauge and oil temp gauge going in. I understand the best location for the water is drill and tap the intake manifold correct? Front passage fine?

Will the remote oil filter block...
01-20-2026, 02:17 PM
Replies: 8
Views: 753
Posted By 496 BB

To wrap this up I ordered the ARP 3601 and put...

To wrap this up I ordered the ARP 3601 and put those in. They are 3 different sizes instead of 2 but I put the two "medium" size ones inside valvetrain area on each end. Just weird they are not same...
01-16-2026, 09:25 AM
Replies: 8
Views: 753
Posted By 496 BB

In two different shops. Cold was at home where I...

In two different shops. Cold was at home where I was. Engine at the heated shop.
01-15-2026, 08:13 PM
Replies: 8
Views: 753
Posted By 496 BB

What am I missing? (Head Bolts)

Im either retarded or I cant seem to find an ARP head bolt set for my 1997 carb HP500. I have two sizes.... 4.0625" and 2.0625". These are not 100% accurate as I measured with a tape measure real...
01-06-2026, 05:45 PM
Replies: 2
Views: 323
Posted By 496 BB

In addition what is the ARP head bolt pn for...

In addition what is the ARP head bolt pn for these? They have like 30 different ones. I promise one day I will know something about something and give back here :D
Showing results 1 to 25 of 67
 


 
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