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Search: Posts Made By: articfriends
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Forum: General Q & A
Yesterday, 10:49 AM
Replies: 9
Views: 253
Posted By articfriends

Heres another bit of "info", been asked a...

Heres another bit of "info", been asked a thousand times: The STOCK mercruiser inline efi pump used in cool fuel is a 210 LPH, the capacity of a 210 LPH is calculated by multiplying it by 1.63, THE...
Forum: General Q & A
09-25-2021, 11:46 PM
Replies: 9
Views: 253
Posted By articfriends

Yes, the stock oiling system on a 454/502 mag efi...

Yes, the stock oiling system on a 454/502 mag efi is marginal stock.years ago i posted a giant thread on the deffieciencys. Can you mod a 454/502 and use stock lines and cooler, if you keep your wot...
Forum: General Q & A
09-25-2021, 03:15 PM
Replies: 9
Views: 253
Posted By articfriends

And FLAME arrestors , IF you mod your 502 and buy...

And FLAME arrestors , IF you mod your 502 and buy one of these FA kits that changes shape from rectangle to a round camp on, in all my dyno testing, they made LESS hp on top then stock stuff,...
Forum: General Q & A
09-25-2021, 03:10 PM
Replies: 9
Views: 253
Posted By articfriends

how do I make my 454/502 mag boat "faster" ????

Since this comes up over and over again ,here is what I have to add since there are VERY few things you can "bolt" on a 502 mag while in your boat besides a supercharger that will give you much of a...
Forum: General Q & A
09-16-2021, 11:54 AM
Replies: 11
Views: 465
Posted By articfriends

I probably wouldnt go thru all that just to reuse...

I probably wouldnt go thru all that just to reuse the factory 48 lb Keihans, LOL
Forum: General Q & A
06-08-2021, 09:31 AM
Replies: 2
Views: 320
Posted By articfriends

leakdown test, something hurt ring seal. for now,...

leakdown test, something hurt ring seal. for now, put largest vent hose you can on to ;largest vented tank you can. Extend breathers taller if possible
Forum: General Q & A
05-13-2021, 11:05 AM
Replies: 42
Views: 2,978
Posted By articfriends

Ive seen a few frozen engines. never seen one...

Ive seen a few frozen engines. never seen one cracked the head and NOT crack the block fwiw
Forum: General Q & A
04-26-2021, 06:03 PM
Replies: 191
Views: 99,314
Posted By articfriends

A 11 lb autiomotive valve can only open and allow...

A 11 lb autiomotive valve can only open and allow unfiltered, uncooled oil to bypass the cooler and filter resulting in engine damage if its original with standard volume oil pump, unless bypass is...
Forum: General Q & A
04-10-2021, 06:00 AM
Replies: 21
Views: 1,254
Posted By articfriends

When I dynoed Jeff hoekstras 509 MPI, we made a...

When I dynoed Jeff hoekstras 509 MPI, we made a little over 600 hp with open headers and his stock gen 6 cool fuel. The pressure dropped about 4 or 5 psi on top form 40 or so to about 35/36. When we...
Forum: General Q & A
04-10-2021, 05:48 AM
Replies: 12
Views: 3,381
Posted By articfriends

I try not to openly advertise here which is...

I try not to openly advertise here which is against the rules but I am at least a paid member. Hows that Daytona running or is it a awesome cat, Smitty
Forum: General Q & A
02-04-2021, 07:30 AM
Replies: 17
Views: 1,563
Posted By articfriends

Late to this conversation but I will add this: On...

Late to this conversation but I will add this: On my own boat motor I always used JE pistons, coated and at about .005 to .0055. During one refresh, I used Diamond racing pistons, they appeared...
Forum: General Q & A
01-19-2021, 06:35 AM
Replies: 266
Views: 34,069
Posted By articfriends

In auto shop class in 11th grade we had a 6V-71...

In auto shop class in 11th grade we had a 6V-71 detroit diesel donated to us. The second year students built a run stand for it. The instructor had them put this huge throttle return spring on it,...
Forum: General Q & A
01-08-2021, 06:23 PM
Replies: 266
Views: 34,069
Posted By articfriends

Think it was one of those weird holley blower...

Think it was one of those weird holley blower kits that bolted on top of a MPI lower manifold on a mpi engine, if Im thinking of same motor me and frank talked about
Forum: General Q & A
12-22-2020, 11:44 AM
Replies: 266
Views: 34,069
Posted By articfriends

https://cimg9.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg9.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/243x192/img_20201222_113318_ef8ec17dbf5cd152ea4c54f12497183de27a4a30.jpg
identical in height to the "normal" vc overs used on most these...
Forum: General Q & A
12-22-2020, 11:40 AM
Replies: 266
Views: 34,069
Posted By articfriends

https://cimg3.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg3.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/286x219/img_20201222_113248_152685a5f56f4926df16da1570b78a5fa634d7fe.jpg
Jason, heres a pic of the factory valve covers that were full...
12-20-2020, 07:38 PM
Replies: 16
Views: 1,405
Posted By articfriends

And IF you do a exhaust sytem, get o2 bungs...

And IF you do a exhaust sytem, get o2 bungs installed, at least one, and we can get together and fine tune your boat on the water !
Forum: General Q & A
12-19-2020, 02:13 PM
Replies: 266
Views: 34,069
Posted By articfriends

Jason, My son found a oem app for regular bbc...

Jason, My son found a oem app for regular bbc valve covers with coil mounts, Ive used stock cast aluminum factory valve covers with drippers ground out, stop tabs ground off around perimeter with...
Forum: General Q & A
12-14-2020, 10:42 AM
Replies: 266
Views: 34,069
Posted By articfriends

I recently bought a twin channel plex knock...

I recently bought a twin channel plex knock sensor system too for my dyno but havent tried it out yet
Forum: General Q & A
12-13-2020, 01:31 PM
Replies: 266
Views: 34,069
Posted By articfriends

Ive tuned a couple holley sniper systems now, a...

Ive tuned a couple holley sniper systems now, a Terminator X on the roots blown LS I was telling you about and am going to tune a Holley dominator soon on my dyno on a blown 6.0 LS. The tuning...
Forum: General Q & A
12-12-2020, 03:28 PM
Replies: 22
Views: 4,502
Posted By articfriends

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

https://cimg8.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x1124/20181030_122308_1bf8ed30828e032200270a102708a923176e623b.jpg...
Forum: General Q & A
12-12-2020, 03:15 PM
Replies: 266
Views: 34,069
Posted By articfriends

next time we talk, well have a dwell time...

next time we talk, well have a dwell time discussion. IDK if we talked after I dynoed the roots blown LS BUT we had coil problems with the "standard" dwell settings, when we changed, we quit cooking...
Forum: General Q & A
12-12-2020, 03:06 PM
Replies: 266
Views: 34,069
Posted By articfriends

Looking forward to dynoing it for you! Who had...

Looking forward to dynoing it for you! Who had best deal on the coils< i need some myself
11-28-2020, 06:23 PM
Replies: 16
Views: 1,405
Posted By articfriends

IF your keeping the stock cam (which is tiny) I...

IF your keeping the stock cam (which is tiny) I would NOT invest alot in getting your heads "ported and polished" as you mentioned. I would use the porting/polishing money for a decent cam if your...
Forum: General Q & A
11-19-2020, 01:13 PM
Replies: 10
Views: 1,285
Posted By articfriends

I would avoid that pan or anything built similar,...

I would avoid that pan or anything built similar, I dynoed a 540 WITH a whipple 3.3 with that exact pan (customer picked it and supplied it), worked good on the dyno BUT the metal was very thin,...
Forum: Swap Shop
11-09-2020, 12:33 PM
Replies: 12
Views: 2,084
Posted By articfriends

Sold, will be used on a experiment when I get it,...

Sold, will be used on a experiment when I get it, Smitty
Showing results 1 to 25 of 68
 


 
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