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Search: Posts Made By: Smitty275
Showing results 1 to 25 of 104
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12-09-2023, 02:35 PM
Replies: 32
Views: 2,637
Posted By Smitty275

The hard anodizing from Diamond is awesome. Any...

The hard anodizing from Diamond is awesome. Any other coating jobs send to Swain Tech because I've never seen it come off. They're also very easy to deal with and have quick turnaround.
10-15-2023, 09:56 AM
Replies: 5
Views: 956
Posted By Smitty275

I'd say it depends a lot on weight of the boat...

I'd say it depends a lot on weight of the boat and how it's used. If it's heavy, yet capable of pulling a large pitch& diameter prop it's probably not gonna handle 600hp. Same for offshore where it...
Forum: General Q & A
10-15-2023, 09:46 AM
Replies: 4
Views: 507
Posted By Smitty275

One of those numbers has to be a typo. "If"...

One of those numbers has to be a typo. "If" correct the prop is about 32% more efficient than is possible.
09-30-2023, 09:41 PM
Replies: 120
Views: 33,793
Posted By Smitty275

Where they're cast at isn't the issue. It's where...

Where they're cast at isn't the issue. It's where they're machined and assembled at that counts. The Chinese don't care about how well or long it lasts. When the castings are done by AFR, FloTek,...
Forum: General Q & A
08-08-2023, 10:17 AM
Replies: 2
Views: 416
Posted By Smitty275

If you have the typical T style water cocks in...

If you have the typical T style water cocks in block and manifolds check them very closely. I have a heck of a time getting a couple of mine to seal. I've actually had to cut seats and skin the knobs...
Forum: General Q & A
07-30-2023, 08:56 AM
Replies: 240
Views: 89,911
Posted By Smitty275

Floteks oval port flows considerably more than...

Floteks oval port flows considerably more than the others. Never compared the rectangular ports. I've not heard of any complaints on Floteks either. Forget intake volume. CC doesn't matter as much as...
Forum: General Q & A
07-29-2023, 09:13 AM
Replies: 18
Views: 1,911
Posted By Smitty275

You need to throw automotive engine building...

You need to throw automotive engine building knowledge out the window when building a marine engine. Your never going to turn the high RPM they turn. Yet your going to be above their cruise RPM all...
Forum: General Q & A
07-08-2023, 09:31 PM
Replies: 6
Views: 408
Posted By Smitty275

You say it's fresh water cooled, then mention it...

You say it's fresh water cooled, then mention it having coolant. Is it a closed cooling system with fresh water heat exchanger?

Lake water goes thru your oil cooler. Very possible the water is...
Forum: General Q & A
06-27-2023, 01:15 PM
Replies: 11
Views: 1,310
Posted By Smitty275

The direct answer to your question is YES. The...

The direct answer to your question is YES. The bearing has spherical movement just like a pillow block.
Forum: General Q & A
06-20-2023, 09:38 PM
Replies: 4
Views: 515
Posted By Smitty275

Exhaust Change Results

Thought I'd share the results of installing a pair of RM Revolution Marine exhaust manifolds. Boat is an '87 Baja Sport 220. As far as I know the engine is factory stock 330HP 454. Bravo 1 swinging a...
06-15-2023, 11:29 PM
Replies: 14
Views: 2,023
Posted By Smitty275

Unless it also has a twist in it, it's hard to...

Unless it also has a twist in it, it's hard to determine if it's bent that small of an amount. It could've been reconditioned because of a spun bearing and the others are still original length. To...
Forum: General Q & A
06-15-2023, 11:20 PM
Replies: 12
Views: 1,269
Posted By Smitty275

If your anywhere near East Tennessee, or want to...

If your anywhere near East Tennessee, or want to ship, I can cut those. Not a problem.
Forum: General Q & A
06-14-2023, 09:21 PM
Replies: 12
Views: 1,269
Posted By Smitty275

I have never used Comp valves. But I learned the...

I have never used Comp valves. But I learned the lesson the hard way an will only use Manley or Milodon Severe Duty valves and PAC springs. Always made great power with Manley springs but had issues...
06-10-2023, 02:13 PM
Replies: 29
Views: 5,267
Posted By Smitty275

I just do side jobs on others junk to fund my...

I just do side jobs on others junk to fund my hole in the water. Buy used parts low when I stumble across them and resell for a profit. Things like that. Plus I make as much of what I need as can. I...
Forum: General Q & A
06-05-2023, 06:54 PM
Replies: 17
Views: 1,719
Posted By Smitty275

Hi temp copper, red, orange, black silicone...

Hi temp copper, red, orange, black silicone adhesive, even clear silicone...never a leak. Haven't used a gasket on any exhaust manifold or header in at least 20yrs.
Forum: General Q & A
05-30-2023, 06:47 PM
Replies: 9
Views: 603
Posted By Smitty275

Have you put a timing light on to verify base...

Have you put a timing light on to verify base timing is right? If not do that before anything else.
You move each idle screw together. If you got two idle screws then both in/out the same each...
Forum: General Q & A
05-28-2023, 04:29 PM
Replies: 7
Views: 452
Posted By Smitty275

https://cimg8.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg8.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/1500x2000/img_20230525_203936_830c98fe88a0419e963a12e23c36835aab7f1c8b.jpg

Only thing that would show signs of how detonation would be a...
Forum: General Q & A
05-25-2023, 06:19 PM
Replies: 9
Views: 603
Posted By Smitty275

Your carbs are not to big. You have to set the...

Your carbs are not to big.
You have to set the idle with the engines fully warmed up. Best away is with a diagnostic tachometer. Turn them out until you get the highest idle. Then adjust the idle...
Forum: General Q & A
05-22-2023, 06:41 PM
Replies: 11
Views: 1,194
Posted By Smitty275

You probably won't find anyone to do it due to...

You probably won't find anyone to do it due to the hazardous waste disposal fees. Get a 55gallon drum and a cheap electric fuel pump and empty it yourself. Makes great weed killer.
05-14-2023, 06:09 PM
Replies: 18
Views: 1,215
Posted By Smitty275

Thanks for the Boatfreaks link.

Thanks for the Boatfreaks link.
Forum: General Q & A
05-08-2023, 09:20 PM
Replies: 7
Views: 462
Posted By Smitty275

Get a good side hustle to pay for upgrades.

Get a good side hustle to pay for upgrades.
04-23-2023, 08:48 AM
Replies: 27
Views: 2,803
Posted By Smitty275

At what RPM were the peaks and was it a long...

At what RPM were the peaks and was it a long broad torque band?
04-16-2023, 04:36 PM
Replies: 27
Views: 2,803
Posted By Smitty275

The direct answer is yes, it will work. But...

The direct answer is yes, it will work. But definitely not the best choice. At 345cc on the intake it's too big unless your adding compression and cam and plan on spinning it 6000rpm. IMHO, You'd be...
Forum: General Q & A
04-05-2023, 08:25 PM
Replies: 54
Views: 9,101
Posted By Smitty275

When they said it was an import head they told...

When they said it was an import head they told you all you needed to know. The casting is probably pretty sound. All hardware, valves, springs, locks, retainers are the absolute cheapest thing the...
03-27-2023, 07:48 PM
Replies: 18
Views: 2,031
Posted By Smitty275

You really should filter the HOT oil first thing...

You really should filter the HOT oil first thing out of the block. Then cooler. Then into the block. Hot oil goes thru the filter much much easier than cooled oil. By placing the filter last before...
Showing results 1 to 25 of 104
 


 
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