![]() |
Good thread. I cringe when I see someone cruising like 2500. I never run less than 3500 but like to be closer to 4k. I don't think twice about running upper 4s for an hour or more. Just home brew blower motors.
|
Originally Posted by 14 apache
(Post 4276367)
Built them myself made my own piston oilers flywheels all the brackets and dry sumped the upper wet sump #6s and a lot more. But I also bought some machines so I could do my hobbies myself. If you want to do something bad enough you can.
|
Originally Posted by Brandonb_05
(Post 4276837)
Interested in how you made your piston oilers
|
1 Attachment(s)
[ATTACH=CONFIG]538336[/ATTACH] Better than most I have seen in a big block. Never looses oil to the piston. First time I posted a picture of this. And they shut off under 50lbs of oil pressure and don't restrict once they are open.
|
Dart offers a piston oiler option in their blocks, they drill thru the main saddle up thru the upper webbing. There they drill and tap and screw in a squirter.
|
Originally Posted by KWright
(Post 4276865)
Dart offers a piston oiler option in their blocks, they drill thru the main saddle up thru the upper webbing. There they drill and tap and screw in a squirter.
|
I run them and also spring oilers on my wet sumps, but I do use a titan pump. No oil pressure problems.
|
Thanks for the picture and information. I build larger CAT motors, and Im very familiar with the way it works on them. I've always thought it would be a good thing to have on a bbc. On cats they don't have any type of restriction or shut off but the oil pumps on these motors are massive, I guess they can easily overcome the oil loss. If you don't mind me asking how did you control them to shut off below 50 psi?
|
We use metal wire to Dial them in on CATs to aim the oiler to the proper position
|
1 Attachment(s)
Originally Posted by Brandonb_05
(Post 4276897)
Thanks for the picture and information. I build larger CAT motors, and Im very familiar with the way it works on them. I've always thought it would be a good thing to have on a bbc. On cats they don't have any type of restriction or shut off but the oil pumps on these motors are massive, I guess they can easily overcome the oil loss. If you don't mind me asking how did you control them to shut off below 50 psi?
|
Originally Posted by Brandonb_05
(Post 4276899)
We use metal wire to Dial them in on CATs to aim the oiler to the proper position
|
14 Apache, how about a detailed build thread? Seems like you have some pretty nice stuff and information that I for one would love to read about.
|
I agree. Good stuff!
Who doesnt like a guy who knows his chit, and has an Apache! Sounds like a guy I wanna hang out with. :food-smiley-009: |
Originally Posted by Unlimited jd
(Post 4276921)
14 Apache, how about a detailed build thread? Seems like you have some pretty nice stuff and information that I for one would love to read about.
|
Originally Posted by MILD THUNDER
(Post 4276933)
I agree. Good stuff!
Who doesnt like a guy who knows his chit, and has an Apache! Sounds like a guy I wanna hang out with. :food-smiley-009: |
Good stuff, thanks again
|
i have a 24baja . here i am racing a rxp supercharge wave runner . he does 75mph on gps. he has $3000 in upgrades.https://www.youtube.com/watch?v=jmnD9VV_jB0 this is with my 540 motor 718hp. now my boat is faster with the 582,so now you can see why i am happy boater .
|
Seems to me that forced induction is more reliable then N/A....:party-smiley-004:
|
Originally Posted by offshorexcursion
(Post 4278929)
Seems to me that forced induction is more reliable then N/A....:party-smiley-004:
|
Originally Posted by 14 apache
(Post 4276935)
This stuff is old to me but when the motors go back together this time I might just do it. I made a jig to do the blocks to install the piston squirter's had thoughts on trying to sell the idea and rent or sell the jig to do it. but never did. Its pretty good idea.
|
2 Attachment(s)
Originally Posted by 14 apache
(Post 4276935)
This stuff is old to me but when the motors go back together this time I might just do it. I made a jig to do the blocks to install the piston squirter's had thoughts on trying to sell the idea and rent or sell the jig to do it. but never did. Its pretty good idea.
Bo Laws makes a very cost effective kit to drill your own pin/crown oilers. This kit gets essentially the same result as the Dart Pro Stock Shop block option. Bob |
Thanks for the information bob, I will be calling you in the future as well to get one of your magic custom cut cams. With that kit I'm assuming that it drills through the mains to tap into in main oil supply, with that being true does it rob oil from the main bearings and then could possibly lead to starving the main bearings of oil? Or is this not even a concern with that kit?
|
Info Sheet
There is no durability penalty in using the piston sprayers. They offer two orifice sizes depending upon the level of thermal transfer from the crown. The upside is a significant increase in detonation resistance as a result of the assist in thermal
transfer provided to the top ring. Bob http://www.mediafire.com/view/r3eyyj...ngine_Tech.pdf |
I run piston sprayers in my 1100's , mains have never had an oil starvation problem .
FYI for those of you that don't know Eric (Apache 14) personally , he is one creative and ingenious guy. Don't let my compliment go to your head though :) |
Anyone have a link for that blp kit? May want to do that to my 604's
|
|
Originally Posted by Unlimited jd
(Post 4279628)
Anyone have a link for that blp kit? May want to do that to my 604's
|
Wouldn't it be nice if there was a chart to show how many expected hours of reliable run time vs power vs cost vs maintenance on a marine big block. Obviously there could be dozens of different charts but at least one would help.
|
Originally Posted by offshorexcursion
(Post 4279846)
Wouldn't it be nice if there was a chart to show how many expected hours of reliable run time vs power vs cost vs maintenance on a marine big block. Obviously there could be dozens of different charts but at least one would help.
Like General Motors. When they develop a new engine, the engine is designed from the ground up. Then, it is put to test. For example. The 8.1L engine, that was used in light and medium duty trucks, as well as marine applications. It went thru 200,000 mile testing, and 300 hours of WIDE OPEN run time, before it was released to the market. I think when you're doing a one off full custom build, all you can do is rely on the engineering part of it, and hope for the best, as you will be performing the durability test.. Some guys build engines and hold them wide open twice a summer for 20 seconds at a time. Some guys build engines and hold them wide open twice a weekend for 20 minutes at a time. |
Originally Posted by Black Baja
(Post 4279751)
I ordered one of their kits (cheaper than anybody else's). And as I recall Bo Law pioneered that design for the NASCAR back in the day. The quality of BLP's products are top notch. B4 I ordered the kit I researched piston oiling and the benefits of it. A lot of the OEM's are using piston oiling it is the real deal and there is power there. One particular Cadillac motor increased timing a few degrees and gained 18ft lbs of torque. Yes, only a small gain but in my opinion it's the small gains that add up and make for a good motor. Instead of concentrating on making 100xtra hp try to make an extra 20hp 5 times...
|
Originally Posted by Unlimited jd
(Post 4280238)
Tried to pm you, box is full. What is the minimum oil pump you can run with something like this? The 1075's have pop off valves in the block that you can only get by ordering the block from Mercury from what I understand.
|
Originally Posted by Unlimited jd
(Post 4280238)
Tried to pm you, box is full. What is the minimum oil pump you can run with something like this? The 1075's have pop off valves in the block that you can only get by ordering the block from Mercury from what I understand.
|
His stuff is nice just did some valve covers for spring oilers nice job and good price. The only thing with my piston oilers they have a direct shot to the piston nothing in the way counter weight or rod.
|
Originally Posted by 14 apache
(Post 4280255)
My buddy has had 1075s and the new motors without the pop off valve the oil pump is driven like a bit@ch so it has oil pressure at idle.
|
Mercury puts a spring loaded ball in-between the squirted and the main so the first X-amount of psi goes to the bearings. Import engines do the same. The ones I did also do the same but I get full flow ones they have enough pressure.
|
I think are two different sizes oilers the large ones need more volume to keep the bearings alive=more pump speed.
|
Originally Posted by 14 apache
(Post 4280269)
Mercury puts a spring loaded ball in-between the squirted and the main so the first X-amount of psi goes to the bearings. Import engines do the same. The ones I did also do the same but I get full flow ones they have enough pressure.
|
I know my buddys 1075's had 55psi under full throttle, always worried me but I guess thats how they are...
|
I have the dart piston oiler option on my motors, also run spring oilers. I run a titan wet sump pump. 40 lbs at idle 80 lbs at wot. No problems at all.
|
The jets are supplied with .026" holes however can be drilled to .040". Most begin with the .026" jets and after the 1st rebuild; begin going up on the hole size. There is a slight pressure loss/flow increase; but the benefits outweigh the detriments.
found this on speedtalk. Yes a 1075 would make the smart craft un happy with out the spring ball. |
| All times are GMT -5. The time now is 12:03 PM. |
Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.