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Search: Posts Made By: GPM
Showing results 1 to 25 of 58
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Forum: General Q & A
04-19-2024, 06:50 PM
Replies: 13
Views: 903
Posted By GPM

The noise Police don't care for "run it dry", ...

The noise Police don't care for "run it dry", if your cam was 10 or so degrees bigger cut on a 110 LSA I would be checking plugs for water.
Forum: General Q & A
04-19-2024, 01:55 PM
Replies: 13
Views: 903
Posted By GPM

You may want to call a cam company and ask their...

You may want to call a cam company and ask their opinion. I can't imagine a reversion issue with that small of a cam on a 116 LSA., I could be wrong.
Forum: General Q & A
03-14-2024, 05:37 PM
Replies: 18
Views: 792
Posted By GPM

Asaltweapon is running a 4.5 crank, I personally...

Asaltweapon is running a 4.5 crank, I personally would use a 6.7 rod in a tall deck block for that application. I'm not an engine builder, I was just curious. I've played with a couple BBC's with...
Forum: General Q & A
03-14-2024, 03:23 PM
Replies: 18
Views: 792
Posted By GPM

I believe the Chevrolet crate 572 is 4.560 x...

I believe the Chevrolet crate 572 is 4.560 x 4.375, that's why I asked. I think the 4.5 crank is better for a boat and I think it would like a little more cam than a shorter stroke, but it's only my...
Forum: General Q & A
03-14-2024, 02:12 PM
Replies: 18
Views: 792
Posted By GPM

Did you use a 4.5 or 4.375 crank ?

Did you use a 4.5 or 4.375 crank ?
Forum: General Q & A
12-03-2023, 06:41 PM
Replies: 12
Views: 1,183
Posted By GPM

Maybe switch ECM's

Maybe switch ECM's
Forum: General Q & A
11-13-2023, 04:46 PM
Replies: 38
Views: 3,828
Posted By GPM

I would think if you are melting the top off of...

I would think if you are melting the top off of the piston, you have to be running lean and detonating in that cylinder. A bad injector, small crack in the intake at that runner, head gasket between...
Forum: General Q & A
10-15-2023, 10:05 AM
Replies: 4
Views: 542
Posted By GPM

Typical Boating Magazine BS

Typical Boating Magazine BS
Forum: General Q & A
09-08-2023, 06:11 PM
Replies: 50
Views: 5,615
Posted By GPM

To much fuel just washes cylinders,

To much fuel just washes cylinders,
Forum: General Q & A
09-07-2023, 07:02 PM
Replies: 50
Views: 5,615
Posted By GPM

Just a thought, some of your BSFC could be the HP...

Just a thought, some of your BSFC could be the HP it takes to spin the Blower, which would increase as you turn up the boost.
Forum: General Q & A
08-31-2023, 07:45 PM
Replies: 50
Views: 5,615
Posted By GPM

We did FLOW test the E tops, 2 runners on both...

We did FLOW test the E tops, 2 runners on both sides flowed 296 CFM the other 2 were 248 CFM, not good for HP.
Forum: General Q & A
08-31-2023, 07:36 PM
Replies: 50
Views: 5,615
Posted By GPM

I ran the BB2 Xtra CNC ported, Dart tunnel ram...

I ran the BB2 Xtra CNC ported, Dart tunnel ram converted to EFI, 2 , 1200cfm throttle bodies, 2.375 primaries 4.5 collectors. I never dynoed it without the Procharger. A similar 583 that I built with...
Forum: General Q & A
08-30-2023, 10:21 PM
Replies: 50
Views: 5,615
Posted By GPM

The solid roller is fine with good lifters and...

The solid roller is fine with good lifters and enough spring. I ran a 276/284 .782 lift in a 598 with Brodix heads, peak HP was 6200 without the Procharger, on the dyno. I like a 112 vs 114 for...
Forum: General Q & A
05-31-2023, 01:22 PM
Replies: 17
Views: 1,289
Posted By GPM

It's a wonderful world

It's a wonderful world
Forum: General Q & A
05-28-2023, 07:30 PM
Replies: 7
Views: 489
Posted By GPM

Sometimes detonation will leave tiny specs of...

Sometimes detonation will leave tiny specs of aluminum on the porcelain
Forum: General Q & A
05-28-2023, 02:24 PM
Replies: 7
Views: 489
Posted By GPM

I think you would have to run it at a steady RPM...

I think you would have to run it at a steady RPM for several minutes, shut the key off, then check the plugs.
Forum: General Q & A
05-17-2023, 03:44 PM
Replies: 11
Views: 1,355
Posted By GPM

Never got more than 30 hours out of a bronze...

Never got more than 30 hours out of a bronze gear. Have to wonder where all the debris went. They used to offer a cast gear option that was pinned to the billet cam.
Forum: General Q & A
05-01-2023, 02:51 PM
Replies: 3
Views: 596
Posted By GPM

You might look at the Milodon Milodon 31560...

You might look at the Milodon Milodon 31560 Milodon Marine Oil Pans | Summit Racing (https://www.summitracing.com/parts/mil-31560?seid=srese2)
Forum: General Q & A
04-27-2023, 02:48 PM
Replies: 23
Views: 2,091
Posted By GPM

Figured that, but didn't want someone thinking...

Figured that, but didn't want someone thinking they can make their 454 into a 496 just by boring it .060
Forum: General Q & A
03-15-2023, 04:58 PM
Replies: 93
Views: 12,934
Posted By GPM

The length and weight of the boat may be a factor...

The length and weight of the boat may be a factor in what size engine you build. I thought Big cubic inch is when you're heading for 800 or so.SAR 820 EFI Marine Engine - Sonny's Racing Engines...
Forum: General Q & A
03-14-2023, 03:27 PM
Replies: 93
Views: 12,934
Posted By GPM

Here you go, you won't have to rev it over 5000...

Here you go, you won't have to rev it over 5000 RPM, ZZ632 Crate Engine | Chevy Performance Parts (chevrolet.com) (https://www.chevrolet.com/performance-parts/crate-engines/big-block/zz-632)
Forum: General Q & A
02-27-2023, 03:04 PM
Replies: 15
Views: 1,952
Posted By GPM

You can run whatever cylinder head and carb you...

You can run whatever cylinder head and carb you want, will it make optimum power for your combination, only the Dyno or GPS can tell you that.
Forum: General Q & A
02-25-2023, 09:24 AM
Replies: 15
Views: 1,952
Posted By GPM

Just an opinion, that's not a big runner on a...

Just an opinion, that's not a big runner on a 572, a CNC ported head may be better.
Forum: General Q & A
01-28-2023, 01:36 PM
Replies: 29
Views: 3,344
Posted By GPM

Sorry I didn't know that, thought they were the...

Sorry I didn't know that, thought they were the same bolt pattern. I did see this, Hardin Marine - Big Block Chevy Mercruiser 496 / 8.1L / 8.2L Exhaust Systems (hardin-marine.com)...
Forum: General Q & A
01-26-2023, 09:43 PM
Replies: 29
Views: 3,344
Posted By GPM

CMI BB Chevy Marine Boat Headers Excellent...

CMI BB Chevy Marine Boat Headers Excellent Condition | eBay...
Showing results 1 to 25 of 58
 
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