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Search: Posts Made By: Howitzers
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Forum: Wanted
01-20-2020, 08:53 PM
Replies: 8
Views: 1,842
Posted By Howitzers

Do you still have either of these pans. I'm...

Do you still have either of these pans. I'm interested in one or both. Maybe both if you have them. Let me know or give me a call 603-369-0042 Thanks, Mark
Forum: Swap Shop
01-16-2020, 08:38 PM
Replies: 5
Views: 3,810
Posted By Howitzers

Still got that exhaust system or long gone? ...

Still got that exhaust system or long gone? Thanks, Mark
Forum: Swap Shop
05-08-2014, 10:24 PM
Replies: 5
Views: 1,650
Posted By Howitzers

600HP at what rpm? How much torque @ rpm. Should...

600HP at what rpm? How much torque @ rpm. Should be a stump puller!
09-30-2011, 11:54 AM
Replies: 39
Views: 30,654
Posted By Howitzers

Innovation 647cid Navy engine

I have one of the 647 cid aluminum navy engines, rebuilt by Innovation's lead engine builder for 2 decades. now retired with his own one man shop in Bean Station, Tennessee. Robert Mishko, Rocky...
05-31-2009, 11:52 PM
Replies: 19
Views: 5,937
Posted By Howitzers

MISS COLUMBIA was a George Crouch design and PALM...

MISS COLUMBIA was a George Crouch design and PALM BEACH DAYS is a John Hacker design. She is built off the same lines as EL LAGARTO, the 3 time Gold Cup Champion from the 1930s. Regards, Mark
05-17-2009, 03:59 PM
Replies: 19
Views: 5,937
Posted By Howitzers

Butch is a great guy and shows up at many of the...

Butch is a great guy and shows up at many of the vintage races. We swap boat rides. I built that racer G1 MISS COLUMBIA, shown earlier in this thread. she was built from historic original plans....
Forum: Swap Shop
04-12-2009, 10:54 PM
Replies: 4
Views: 761
Posted By Howitzers

Howitzers

The earlier Revolutions had a cast riser which I am certain will allow reversion on as hot a cam as you would need for a 600HP 502. However I understand that they (partnered with Eddie Marine, are...
Forum: General Q & A
03-11-2007, 08:04 PM
Replies: 30
Views: 6,523
Posted By Howitzers

Twin Turbos by Gentry

In the 1990's Gentry built a series of twin turbo engines that held up wonderfully. I think they were 355 cid Big Blocks. Maybe tall decks with a bore of 4.25 and a stroke of 3.125 with nice long...
Forum: General Q & A
01-04-2007, 07:01 AM
Replies: 2
Views: 2,547
Posted By Howitzers

Re: Cam specs for 650cid Donovan?

Well, the Navy in all their infinite wisdom never sells them complete or assembled. They tear them apart and throw them out in a field for a few months to let them rust. Then they auction them off...
Forum: General Q & A
01-03-2007, 11:29 PM
Replies: 2
Views: 2,547
Posted By Howitzers

Cam specs for 650cid Donovan?

Hey guys, I’d like your advice on a cam and Carb for a project. I have just purchased a used Innovation Marine Donovan 11.100 Aluminum engine built for the Navy. Crower Billet 5.1” Crank & Crower...
Forum: General Q & A
11-23-2006, 10:30 AM
Replies: 12
Views: 7,947
Posted By Howitzers

Re: Breaking Roller Rockers??????

Any chance the problem is a qeometry issue, with the pushords the wrong length? I had an engine stuff pushrods clean thru the rockers until we found the stock pushrods needed to be special length. ...
Forum: General Q & A
01-03-2006, 09:34 PM
Replies: 16
Views: 2,414
Posted By Howitzers

Re: 150 ci ... 720 hp

Well guys. I was forced at gunpoint to install a 159 cid Offenhauser into a customers boat. The engine had made 1000 HP at Indy at 10,500 rpm back in the 1970's I think. We had it detuned and...
Forum: General Q & A
12-26-2005, 01:10 PM
Replies: 14
Views: 7,136
Posted By Howitzers

Re: ZZ502 Cam in a Merc 502MagMPI

I am responding to this much after the fact but the Merc MHP-301 Cam is the later cam used in the EFI HP500 enignes. The specs in the cam at .050" are I=230 E=236 114 LSA and .600 Lift. I've used...
Showing results 1 to 13 of 13


 
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