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Search: Posts Made By: TomZ
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Forum: Formula
02-19-2020, 05:45 PM
Replies: 18
Views: 1,035
Posted By TomZ

That's a big boat! The 357 is a monster!

That's a big boat! The 357 is a monster!
Forum: General Q & A
02-17-2020, 06:09 PM
Replies: 1
Views: 264
Posted By TomZ

I ran a set of Darts with 2.30 intakes on a...

I ran a set of Darts with 2.30 intakes on a standard bore 454. No issues though Iím sure it wasnít optimal. The engine was supercharged so probably not a big issue for us.
Forum: Formula
02-13-2020, 05:31 PM
Replies: 18
Views: 1,035
Posted By TomZ

Definitely a nice boat.

Definitely a nice boat.
Forum: Formula
02-13-2020, 03:27 PM
Replies: 18
Views: 1,035
Posted By TomZ

Hey Josh... Any luck with that boat we talked...

Hey Josh... Any luck with that boat we talked about? She looks really sweet!
Forum: Formula
02-13-2020, 03:26 PM
Replies: 18
Views: 1,035
Posted By TomZ

Nice archive footage! And it makes me feel a...

Nice archive footage! And it makes me feel a little feel knowing that these things have porpoised since brand new. I thought maybe I was doing something wrong. :D

Isn't that POP Yachts boat for...
Forum: Formula
02-05-2020, 09:11 AM
Replies: 4
Views: 502
Posted By TomZ

Welcome to the forum and congratulations on the...

Welcome to the forum and congratulations on the purchase of your 311!

Your plan for getting her going sounds like a good one. Hope she doesnít have too much gas in the tank because itís surely...
Forum: General Q & A
02-04-2020, 03:56 PM
Replies: 26
Views: 1,715
Posted By TomZ

x2 !!

x2 !!
Forum: Swap Shop
01-31-2020, 12:14 PM
Replies: 15
Views: 1,501
Posted By TomZ

Many thanks to abones... the prop's condition...

Many thanks to abones... the prop's condition exceeded my expectations! Great communication; flawless experience!
Forum: General Q & A
01-30-2020, 10:13 AM
Replies: 39
Views: 52,536
Posted By TomZ

What correction factor? Merc's with wet exhaust,...

What correction factor? Merc's with wet exhaust, etc?
Forum: General Q & A
01-29-2020, 01:15 PM
Replies: 39
Views: 52,536
Posted By TomZ

The key is the ďrating from MercuryĒ being just...

The key is the ďrating from MercuryĒ being just that.... marketing.

If you look them up as bobtails... 430 HP for the new catalyst engines.
Forum: General Q & A
01-28-2020, 10:40 PM
Replies: 4
Views: 363
Posted By TomZ

I think my issue is plain over thinking! ...

I think my issue is plain over thinking!

Closed cooling it is! Considering all the room behind the engines, it shouldnít be too hard to rig up.
Forum: General Q & A
01-28-2020, 10:36 PM
Replies: 39
Views: 52,536
Posted By TomZ

Mercís ďratingĒ doesnít matter. The truth...

Mercís ďratingĒ doesnít matter.

The truth is in dyno tests. A stock 502 MPI makes 410-430 HP at the crank.
Forum: General Q & A
01-28-2020, 03:36 PM
Replies: 4
Views: 363
Posted By TomZ

Looking at older threads from back about ten...

Looking at older threads from back about ten years ago or so, there were concerns about corrosion on certain parts of the mating surface of the head where there was no support under the head gasket....
Forum: General Q & A
01-28-2020, 09:51 AM
Replies: 29
Views: 1,723
Posted By TomZ

Iíve got no idea. I was hoping then diagram would...

Iíve got no idea. I was hoping then diagram would be helpful. I have not had my hands on one to look at it.

Regarding senders, I would think you could monitor oil temp though pressure I think Iíd...
Forum: General Q & A
01-27-2020, 08:54 PM
Replies: 4
Views: 363
Posted By TomZ

AFR heads/MK-IV on Gen VI block

In one of my older threads I mentioned picking up a set of AFR heads for the top-end redo of my 502 MPI engines. Iím slowly gathering parts, and though I had planned to start working on them during...
Forum: General Q & A
01-26-2020, 01:57 PM
Replies: 20
Views: 1,032
Posted By TomZ

Unless youíre planning on supercharging it, the...

Unless youíre planning on supercharging it, the exhaust valves should be okay as long as theyíre serviceable. Freshen up the heads (make sure they are not rotted in the exhaust ports).

You could...
Forum: General Q & A
01-25-2020, 09:48 PM
Replies: 20
Views: 1,032
Posted By TomZ

Compís short-travel hydraulic roller lifter is...

Compís short-travel hydraulic roller lifter is good. And I believe Compís 953 spring is the right one.
Forum: General Q & A
01-22-2020, 10:41 AM
Replies: 29
Views: 1,723
Posted By TomZ

Does this help? ...

Does this help?

https://www.perfprotech.com/mercury-marine-parts-catalog/oil-cooler-oil-filter-and-adaptor/assembly/2320/21?umodel=17970
Forum: Swap Shop
01-22-2020, 08:18 AM
Replies: 15
Views: 1,501
Posted By TomZ

Sent you a text message.

Sent you a text message.
Forum: General Q & A
01-20-2020, 08:41 PM
Replies: 16
Views: 858
Posted By TomZ

My opinion... Rebuild it to stock specs and...

My opinion...

Rebuild it to stock specs and enjoy it for what it is. The expense of replacing the cam and associated parts and reprogramming the ECM will not be worth the small gains. Youíll be...
Forum: General Q & A
01-20-2020, 02:38 PM
Replies: 16
Views: 858
Posted By TomZ

Responding by phone so I didnít put two and two...

Responding by phone so I didnít put two and two together regarding issues you had last year with your 454 and the need to do a rebuild.

I still stand behind the exhaust being a most important...
Forum: General Q & A
01-20-2020, 02:09 PM
Replies: 16
Views: 858
Posted By TomZ

A good read to start... this is member...

A good read to start... this is member Articfriends thread on his 502 refresh, but a ton of good info:
...
Forum: General Q & A
01-19-2020, 10:41 AM
Replies: 72
Views: 6,476
Posted By TomZ

Bump the idle to 750.

Bump the idle to 750.
Forum: General Q & A
01-19-2020, 10:38 AM
Replies: 72
Views: 6,476
Posted By TomZ

I think you have something else going on with...

I think you have something else going on with water or air leaks or maybe even some bad condensation.

Your cam installation should be fine the way you described everything. You did the math and...
Forum: General Q & A
01-06-2020, 10:06 PM
Replies: 15
Views: 619
Posted By TomZ

Does the engine package in question have an...

Does the engine package in question have an intake? Since it has been upgraded some, you might want to consider a carbureted set-up vs the EFI. The EFI set up will require a lot tuning that should be...
Showing results 1 to 25 of 500
 


 
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