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Search: Posts Made By: MILD THUNDER
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Forum: General Q & A
06-14-2019, 02:08 PM
Replies: 154
Views: 7,561
Posted By MILD THUNDER

My dyno operator did 100 or 150rpm per second...

My dyno operator did 100 or 150rpm per second pull on my boat engine. I didnt like it. We started the pull around 2800rpm, and ended it at 6500. The pull itself lasted like 30 seconds. Engine sounded...
Forum: General Q & A
06-12-2019, 09:35 AM
Replies: 154
Views: 7,561
Posted By MILD THUNDER

Id think by looking at the bsfcs, that thing is...

Id think by looking at the bsfcs, that thing is really rich! Afrs prob in the 10s
Forum: General Q & A
06-10-2019, 07:53 PM
Replies: 8
Views: 279
Posted By MILD THUNDER

Sometimes its just not cost effective, to sink...

Sometimes its just not cost effective, to sink money in these old heads. by the time you install new seats, guides/liners, valve jobs, milling, etc, youre money and performance ahead to just go with...
Forum: General Q & A
06-10-2019, 01:08 PM
Replies: 13
Views: 272
Posted By MILD THUNDER

You got the proper rotation?

You got the proper rotation?
Forum: General Q & A
06-10-2019, 06:12 AM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

Props spinning in or out?

Props spinning in or out?
Forum: General Q & A
05-09-2019, 03:27 PM
Replies: 16
Views: 564
Posted By MILD THUNDER

Id skip the stainless marines, and go with the...

Id skip the stainless marines, and go with the Diamond Performance manifolds. Similar cost, but its like comparing a shorty header vs a long tube. Long tubes will make more torque.

The smaller...
Forum: General Q & A
05-09-2019, 09:40 AM
Replies: 16
Views: 564
Posted By MILD THUNDER

I only remember the new cams exhaust lobe having...

I only remember the new cams exhaust lobe having .008 more worth of net lift, and 15* more duration at .050. I dont recall any info provided on the numbers at .006, .200, etc..unless i missed that. I...
Forum: General Q & A
05-09-2019, 09:06 AM
Replies: 16
Views: 564
Posted By MILD THUNDER

I think an excellent example of head flow ratios...

I think an excellent example of head flow ratios vs cam specs was in the LS build thread. The LS3 heads have a very poor IE ratio. In my opinion , not a candidate for a single pattern cam. Sure, in...
Forum: General Q & A
05-09-2019, 08:06 AM
Replies: 16
Views: 564
Posted By MILD THUNDER

What exhaust are you planning on running on this...

What exhaust are you planning on running on this build?
Forum: General Q & A
05-09-2019, 08:04 AM
Replies: 16
Views: 564
Posted By MILD THUNDER

Ok, Ill bite Scott 😁 Do you not feel flow...

Ok, Ill bite Scott 😁

Do you not feel flow characteristics of a cylinder head, play a part of camshaft selection?
Forum: General Q & A
05-03-2019, 10:56 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

Sea pump? I have no data on this, but I think out...

Sea pump? I have no data on this, but I think out of all the accessories, (steering, alternator, circulating pump), the sea pump robs the most power. I thought I remember reading here something like...
Forum: General Q & A
05-03-2019, 10:53 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

Im glad you shared your results. Especially the...

Im glad you shared your results. Especially the cam comparison. Aside from all the nonsense and bickering, theres something to be learned there.
Forum: General Q & A
05-03-2019, 10:51 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

fwiw, crude intentions engine was dynoed in full...

fwiw, crude intentions engine was dynoed in full marine trim, wet exhaust, all accessories, sea pump, etc. Not stripped down with race car headers , etc. Theres some parasitic loss there, which also...
Forum: General Q & A
05-03-2019, 10:44 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

https://cimg0.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg0.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/480x640/received_319181175440825_a1d207af523990de6bcd643ed5b58dfd9d9b5c4d.jpeg...
Forum: General Q & A
05-03-2019, 10:37 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

What do you think it cost two build two NEW big...

What do you think it cost two build two NEW big block marine engines? He has brand new blocks, cranks, rods, heads, cams, carbs, the whole shot, for around 10k per engine. What do you think, you can...
Forum: General Q & A
05-03-2019, 10:33 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

I dont think anyones against him. But if we're...

I dont think anyones against him. But if we're talkin shop, lets talk shop. He's made about two dozen claims in this thread, that are simply untrue. Things like his engines are going to run circles...
Forum: General Q & A
05-03-2019, 10:23 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

https://cimg2.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg2.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/1500x2000/mydynosheet2012_c1528c10bd161575ae0cf982eb8330281b02c704.jpg...
Forum: General Q & A
05-03-2019, 10:05 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

I think i have the one from borowski, with the...

I think i have the one from borowski, with the old heads, no intercoolers. Boat ran 89mph with that combo. With new heads, chillers, little more boost, boat ran 96.
Forum: General Q & A
05-03-2019, 09:50 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

Just read an article where they swapped an ALL...

Just read an article where they swapped an ALL iron bbc, from a 67 chevelle, for an ALL aluminum LS3. Car scaled 266lbs lighter.

Had that bbc had alum heads, the difference would have been prob...
Forum: General Q & A
05-03-2019, 09:13 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

Im surprised the twin LS package would be 1,000...

Im surprised the twin LS package would be 1,000 lbs less than a 525efi engine. The ls engine is 500lbs lighter than the 525efi?
Forum: General Q & A
05-03-2019, 03:44 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

Those were tye "650hp" ones....ran 88mph in a 32...

Those were tye "650hp" ones....ran 88mph in a 32 sunsation....which is what they run with 500efis or darn close. 300 more hp, a few hundred lbs less weight, should have made it faster than a 500efi...
Forum: General Q & A
05-03-2019, 02:44 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

You pretty much summed up why you wont find 400ci...

You pretty much summed up why you wont find 400ci small blocks in a 2019 Top Gun.
Forum: General Q & A
05-03-2019, 11:20 AM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

right about what a stock 525sc merc makes with a...

right about what a stock 525sc merc makes with a cam upgrade...
Forum: General Q & A
05-02-2019, 06:48 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

One thing about the stock, car engines, is they...

One thing about the stock, car engines, is they have an engine management system. My 6.4L hemi is 10.9:1 stock. It also is very sensitive to octane, air temperature, fuel mixture etc. Could see some...
Forum: General Q & A
05-02-2019, 04:10 PM
Replies: 430
Views: 23,345
Posted By MILD THUNDER

Looks like the new cam didnt give anything up...

Looks like the new cam didnt give anything up anywhere from 3000 and up
Showing results 1 to 25 of 500
 


 
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