Performance Boats Forum banner

21 - 40 of 60 Posts

·
Registered
Joined
·
1,144 Posts
Hey maxxi, I'm planing on building a 522 injected e-85 motor for my flaty. I have a 14-71 and a 8-71 both are stripped for alky, I have bird and and bug catchers, and for ignition inane a msd pro mag 22 and a msd 6al. Heads are ported sr 320 darts and the cam is a isky rr737b w/ 112*lc.My boat will see mostly lake racing/ cruising. I have to order pistons still. I was wondering what your thoughts might be on my parts selection. It sounds like you and your tuner have the fuel curve dialed on the Ingection, would a duplicate barrel valve work on my combo. Any help or info on my combo would be greatly appreaciated. Thanks Trevor
 

·
Members only
Joined
·
4,518 Posts
Discussion Starter #22
Hey maxxi, I'm planing on building a 522 injected e-85 motor for my flaty. I have a 14-71 and a 8-71 both are stripped for alky, I have bird and and bug catchers, and for ignition inane a msd pro mag 22 and a msd 6al. Heads are ported sr 320 darts and the cam is a isky rr737b w/ 112*lc.My boat will see mostly lake racing/ cruising. I have to order pistons still. I was wondering what your thoughts might be on my parts selection. It sounds like you and your tuner have the fuel curve dialed on the Ingection, would a duplicate barrel valve work on my combo. Any help or info on my combo would be greatly appreaciated. Thanks Trevor
Blower size would depend on how much boost you are planning on running. I am running my 14 about 18% over & getting 15lbs of boost. Eric at blower shop thought an alky strip job might not work with the E-85. I would give it a shot but if you are running port nozzels I would keep them small and put as much through the blower as possible. With a little marvel in there I think it would work fine. Just my opinion. The blower on the dyno and in the boat was condensating up pretty good in some really hot weather. I think I could run more boost but its a real hand full right now. Run the bird catcher and depending on how you go about your fuel system your current barrel valve with a gas spool. I don't believe a K-valve is necessary. What we found was an 80-A fuel pump was falling off on fuel psi due to the amount of volume needed to run an additional 30%. I switched over to a waterman style dual gear pump and picked up the psi by abot 20 lbs which changed the fuel curve a ton. I ended up not using the high speed lean out.

Now I just got back from a week in Parker & spent a lot of time with the boat & messing with the tune up. The realitive altitude or Density air at parker was close to 4000'. In the dyno room it was closer to 2800. I came off the trailer richer than hell. I ended up leaning it down .027 and hit the mark. The fuel curve is pretty much rich all the way to full throttle. I was running my spring tension on the mid range by pass around 55 psi from the old tune up. So it was very aggressive on the cruise range. I dropped it back down to 18psi and it drove much more forgiving. The fuel curve looked great until 4100 and it went dead lean. So I ended up with about 25 psi in the bypass. It is still pretty aggressive under 3500 rpm but the fuel curve is much better. At just under wot it wants to go a little lean until the bypass door closes and its getting all the fuel. I think this winter I am going to try running a high speed bypass, a larger jet size & drop the spring psi back down to 18lbs. With the wide band & my race pack I can watch the fuel curve really well.

The one thing that makes this stuff so nice is the tunning window. It is very forgiving. I messed with the jetting a ton & the changes were somewhat gentle in comparison to running a blown gas deal. A few pills sizes and you can go from ok to way rich or lean. .005 didn't make or break the deal.
 

·
Banned
Joined
·
293 Posts
Man what a easy setup. Well, who would want to do a setup like that running race gas. Sounds like you are having a easy time running E-85. Tuning dosen't sound difficult. Good job MAXI...
 

·
Highaboosta
Joined
·
3,431 Posts
. I think I could run more boost but its a real hand full right now.
Now that's a sig line if I ever saw one. :thumb:
 

·
Registered
Joined
·
1,144 Posts
My 8-71 made 11# of boost at 4% overdrive on my 550 w/ the dart heads and two 1150 dominators. For fuel pumps i have two dsr's and a enderle 110a. Not sure of the size of the dsr pumps.



I was planing on runniga round 9-9.5:1 compression, and was thinking a out keeping at 11# of boost
 

·
Members only
Joined
·
4,518 Posts
Discussion Starter #26
My 8-71 made 11# of boost at 4% overdrive on my 550 w/ the dart heads and two 1150 dominators. For fuel pumps i have two dsr's and a enderle 110a. Not sure of the size of the dsr pumps.



I was planing on runniga round 9-9.5:1 compression, and was thinking a out keeping at 11# of boost
Then save the weight. On my GN the 8-71 makes 11 lbs of boost at 3 % over and 6800 rpm on a 468. This is a billit blower from Eric at the Blower shop stripped for gas and running c-16. The 14's are back breakers for sure. On my pleasure boat I like the bigger blower for longevity. I have some more ideas on cleaning up my fuel curve but need some time to test. Really you can either call Jimmy at Enderle and give him your current set up & he will give you a starting point with the e-85. Then you can tune from there. After you have messed with Gas you will really enjoy the ease of tunning this stuff. :yes:
 

·
Members only
Joined
·
4,518 Posts
Discussion Starter #27
Man what a easy setup. Well, who would want to do a setup like that running race gas. Sounds like you are having a easy time running E-85. Tuning dosen't sound difficult. Good job MAXI...
I have 2 more set ups similar to this on race gas genius... I won't take them out of the garage for 700+ dollars a drum. When they get switched over then I will start running them as well. Both my stack injected motors will be getting switched over as well. Now my 500 inch ski motor is on 91 octane and makes no sense to switch it over. I have notes on all the tune ups so if one day this fine fuel goes away I gan take 10 min and switch them back over.

I would like to meet you in person and see if your eyes line up straight...:indifferent0001:

So many people can be Keyboard cowboys and sit in a dark room talking shit! Know what I'm say'n...
I like the fact I can see Bob in person and give him a swift kick to the nuts from time to time... Now FC pilot is a different story!:)eh:) That dude is a monster!:shock: I like to use words like sir, please and thank you so much!:D

Carry on geterdone & lets see what other brilliant posts you can throw out there that add up to a big Zero!:bananadance:
 

·
Banned
Joined
·
293 Posts
Not sure maybe 9.5 to 10.1, my engine builder/nazi won't tell me. Don't ask... its complicated... The heads are Dart 360's that were worked over by Bob Morgan. 1471 mooneyham, with an enderle bird catcher & a K valve. Ended up not needing the high speed lean out. Instead I switched from an 80-a pump to a waterman style twin gear model. Dropped the hat nozzels down 9 thousandths & dropped the main pill a touch. Increased the fuel psi from 30 psi total to 80 psi. Made a big change in the fuel curve. Then Jim at Enderle made me another spool for the barrel valve based on the information we gave him. With all these changes the fuel curve was steady from 3000 to wot.


The air temp in the dyno room was a touch over 80 degrees. The relative altitude during testing was 3000 feet. The numbers mentioned were uncorrected. The pulls started at 3000 and the motor excellerated up through the rpm to a limit at 7 k. No flashing numbers or any smoke and mirrors. Carson is pretty serious on the dyno & is not interested in a bunch of b.s. Another cool feature was I ran my IMCO Power flow exhaust from the boat on the dyno. I am sure they are a bit restrictive for what the motor is trying to do but its all I have and good enough.
Your engine builder?? So you don't even work on your own engine??It's complicated?? So you don't even know . Sounds like you just repeat what people are telling you...
 

·
Platinum Member
Joined
·
2,014 Posts
Your engine builder?? So you don't even work on your own engine??It's complicated?? So you don't even know . Sounds like you just repeat what people are telling you...
I know for a FACT maxi works on his engines . :)devil


That's why we are converting him to outboardism

So he can come boating :stir: and run 87 octane
 

·
Members only
Joined
·
4,518 Posts
Discussion Starter #32 (Edited)
Your engine builder?? So you don't even work on your own engine??It's complicated?? So you don't even know . Sounds like you just repeat what people are telling you...
I think a vintage picture of my ass crack would offer more insight to this thread than any of your posts...:hmmm:

By the way while we are on the subject what shoe size do you wear? And if I am not getting to personal does the village you live in have more than 2 family trees growing in it?:)eh:)

Do you wear fuzzy ear muffs in the middle of summer? Come on man inquiring minds wanna know!:coffee-n-news:
 

·
Village Idiot
Joined
·
3,499 Posts
Now FC pilot is a different story!:)eh:) That dude is a monster!:shock: I like to use words like sir, please and thank you so much!:D
Thanks Maxi, this post just make my day.LOL And by the way, thanks for openly posting up all the info that you have learned while playing with this stuff. I wish I could say I have fine tuned my stuff to this extent. Some people that work that hard at making things right are usually not willing to share freely what that worked so hard to learn.

Paul
 

·
Registered
Joined
·
1,144 Posts
Then save the weight. On my GN the 8-71 makes 11 lbs of boost at 3 % over and 6800 rpm on a 468. This is a billit blower from Eric at the Blower shop stripped for gas and running c-16. The 14's are back breakers for sure. On my pleasure boat I like the bigger blower for longevity. I have some more ideas on cleaning up my fuel curve but need some time to test. Really you can either call Jimmy at Enderle and give him your current set up & he will give you a starting point with the e-85. Then you can tune from there. After you have messed with Gas you will really enjoy the ease of tunning this stuff. :yes:
I don't know but I think my 14 is lighter than the 8, the 14 is a moonyham mag case. Can u post or pm me enderle,s #. thanks
 

·
Premium Member
Joined
·
25,975 Posts
I wish I could say I have fine tuned my stuff to this extent. Some people that pay that much making things right are usually not willing to share freely what cost so much to learn.

Paul
:duh: Please FC, don't go there. One post like that, and Maxi is calling himself a tuner. I can think of at least one ol guy that would chuckle at the thought, and one dyno operater in Altadena just shaking his head at the idea of it.



100% free webcam site! | Awesome chicks and it is absolutely free! | Watch free live sex cam - easy as 1-2-3
 

·
Members only
Joined
·
4,518 Posts
Discussion Starter #37
:duh: Please FC, don't go there. One post like that, and Maxi is calling himself a tuner. I can think of at least one ol guy that would chuckle at the thought, and one dyno operater in Altadena just shaking his head at the idea of it.
Speaking of which how did long beach work out???:coffee-n-news:
 

·
Members only
Joined
·
4,518 Posts
Discussion Starter #39
Thanks Maxi, this post just make my day.LOL And by the way, thanks for openly posting up all the info that you have learned while playing with this stuff. I wish I could say I have fine tuned my stuff to this extent. Some people that work that hard at making things right are usually not willing to share freely what that worked so hard to learn.

Paul
Well Paul I am kinda tired of all this top secret shit. There are a lot of people out there who could have a lot of fun with some insight & help. Like Bob said I just write the checks and sweep floors. If it wasn't for my education from Grich I would have been screwed. Its a blessing when somebody like him is willing to take you under his wing & beat you to death for years!:shock: I can mow lawns & detail cars like a mofo! I am starting to think I would have been better off learning some of Bobs tricks he has excersized over the years GN racing!:D I swing from only the finest bags!:nutswinger:

When I get some more time I am going to make some switches with hat nozzels and bypass pills. I need to get a psi sender hooked to the hat block so I can reference that to the bypass spring psi & see if there is something there to work with. I would like to avoid a high speed by pass to keep it a touch more simple. I just hate to work on shit while I am working on my sun tan!:coffee-n-news: I know by changing psi on the dyno it changed the fuel curve. The dyno loaded the engine hard enough that the motor burned all the fuel from start to finish. In the boat not enough load down low thus going rich. I am confident with all the crap I have connected to this thing I can make it better than too rich and just barely running...:duh:
 

·
Registered
Joined
·
6,283 Posts
Well Paul I am kinda tired of all this top secret shit. There are a lot of people out there who could have a lot of fun with some insight & help. Like Bob said I just write the checks and sweep floors. If it wasn't for my education from Grich I would have been screwed. Its a blessing when somebody like him is willing to take you under his wing & beat you to death for years!:shock: I can mow lawns & detail cars like a mofo! I am starting to think I would have been better off learning some of Bobs tricks he has excersized over the years GN racing!:D I swing from only the finest bags!:nutswinger:

When I get some more time I am going to make some switches with hat nozzels and bypass pills. I need to get a psi sender hooked to the hat block so I can reference that to the bypass spring psi & see if there is something there to work with. I would like to avoid a high speed by pass to keep it a touch more simple. I just hate to work on shit while I am working on my sun tan!:coffee-n-news: I know by changing psi on the dyno it changed the fuel curve. The dyno loaded the engine hard enough that the motor burned all the fuel from start to finish. In the boat not enough load down low thus going rich. I am confident with all the crap I have connected to this thing I can make it better than too rich and just barely running...:duh:
Cool setup Maxi. :))THumbsUp
There are many-many of these blown-mfi setups out there running around when the owner has no idea were the tune really is. They look cool and the owner has usually sunk the big $$ to buy all the right parts but gets frustrated & quits before learning how to dial in the tune.
Thanks for sharing with everyone just what needs to be done to dial in a fuel curve with the mfi.
 
21 - 40 of 60 Posts
Top