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Messages - speedymopars

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501
Engine Mechanical / Electrical / Re: Gettin' close
« on: February 25, 2008, 06:29:51 PM »
I didn't even see his post. Looks good. How much HP?  ;D


56 - I'll know the HP when I put the jet behind it :)

Finished the GM alternator mounting / belt / pulley up today (I have a new pulley in the mail). Works trick with the turnbuckle. Easy belt adjustment.


502
Engine Mechanical / Electrical / Re: Gettin' close
« on: February 24, 2008, 08:50:07 PM »
,,,

503
Engine Mechanical / Electrical / Gettin' close
« on: February 24, 2008, 07:57:50 PM »
Just about ready to drop in...getting excited..

Cooling system - Done
Valvetrain / Long block - done
Front of engine - done
Alternator mounting - cut a shim and done

Hopefully I get the boat back from Baja Trailers this week - and drop in...


Looking pretty good for several cans of paint and some unused junk in the garage :)

504
Engine Mechanical / Electrical / Re: This must be old school
« on: February 23, 2008, 09:45:10 PM »
YOU FORGOTTHEWHITE

White = french? I still don't get it    :screwy:

505
Engine Mechanical / Electrical / Re: Steel braided and a-n fittings
« on: February 23, 2008, 08:13:36 AM »
Call George at TMR in Orange,ca. (714) 771-1348

He can make 'em for you. Make sure anytime you buy braded lines you get teflon internals - the other ones are only rubber and disintegrate if they are ever let to dry out. OK on a daily driver, not ok on everything else. I found they only last about 5 years as opposed to forever with the teflon.

506
Engine Mechanical / Electrical / Re: carb sideways mounting questions...
« on: February 21, 2008, 02:05:09 AM »
Metering blocks allow you to change your secondary jets.  However, they add about 1/2 inch to the length of your carb.  Catherdral bowls, like what are found on the DP series, will also add another 3/4 of an inch to the carb. You had the std bowls.

When you mount them sideways, ALL carbs will fit - inline is where you have issues.

507
Engine Mechanical / Electrical / Re: carb sideways mounting questions...
« on: February 20, 2008, 08:32:03 PM »
I've always run enderle linkage, they have spherical ends, and a lot of adjustability. Downside is expect to pay $$$$. It isn't the $13 in line linkage from summit.

Sideways are great for tuning, and you can get to everything without much hassle. On enignes like the SB ford, there isn't any room, so you actually have to mount them sideways and reversed  (offy does the linkage there) - while others it is no sweat to mount in line, even with the cathedral bowls and secondary metering blocks.  All depends on engine and tr.

508
Engine Mechanical / Electrical / Re: holley carbs
« on: February 19, 2008, 06:37:58 PM »
Larger baseplates on 50-100 CFM smaller carbs usually work well.

509
Oh well, this thread isn't going where I planned it.  :'(

I was hoping for a "oh that looks like a $2500-3000 repair"

The boat is already fixed. I go to court on Thursday to sue the guys who put the holes in the boat.


510
Chromey - Yep, trailer is already set up for 7 wire...

HR56 - http://kb-silvolite.com/calc.php?action=comp - and I'm already running FORD pistons in one of my motors...(Mopar crank and block, chevy rods, ford pistons) ... I literally wrote the book on using GM alternators on Mopars and Fords. None of my older vehicles will ever see a mopar alternator, they suck. bad.


511
Rough guesstimates OK - I already have it repaired. Go to court on Thursday...

512
I need to find out what a hull repair like this would run normally. Strip, repair, repaint.

513
I just came from working on the engine.. I need to make a bracket to mount up the GM alternator. The front of the engine is done otherwise...

I think you are probably right about the 10A max load, so a dead battery is going to kill that wire in short order. Hmm, time to think (I'm stuck until I make that bracket)...




514
Engine Mechanical / Electrical / Re: Second Battery
« on: February 17, 2008, 08:16:13 PM »
If you are curious to what size wire you really need to run - here are the standards.

http://www.interfacebus.com/Copper_Wire_AWG_SIze.html

515
On my mopar tow vehicles (4x4 ram, 4x4 jeep GC) I have the 7 pin connector - which has a positive (I think only while engine is running) power lead. Has anyone ever tried to rig it so it charges the boat batteries up on the trip to the lake / river? I don't know the current capabilities, so it may not work, but it is just a thought I had that I want to investigate...

516
Engine Mechanical / Electrical / Re: Second Battery
« on: February 17, 2008, 08:00:01 PM »
Just as a point of information - a battery isolator is just two high current diodes with the alt charge wire in the middle. No contacts to wear out or corrode like a switch, and a diode is one of the most basic electrical items used in most EVERYTHING that has electronics - it lets electricity flow one way, but not the other.  

IMHO the best setup is two batteries and two electrical systems - one for the foo foo stuff like lights, stereo, coolers, etc - the other for the engine. These two systems powered off of a single alternator / isolator that will automagically charge the two batteries at the same time without affecting the other one. In this "perfect" system you also have a switch or high current relay that is normally in the off position but can be turned on to connect all batteries in an emergency. This is really handy if the engine bat is dead or dies and you need to start the engine (or if both batteries are near dead and that extra uomph will keep you from being a swimmer).

 






517
Engine Mechanical / Electrical / Re: This must be old school
« on: February 17, 2008, 04:11:28 PM »
Must be, I don't get it either...

518
Engine Mechanical / Electrical / Re: Who does ceramic coating of headers ?
« on: February 17, 2008, 10:15:47 AM »
If the headers are temporary until you get zoomies - you could always get header wrap tape. They do shorten the header life, but do kill the heat. The coatings don't work nearly as well for keeping the heat at bay....

519
Engine Mechanical / Electrical / Re: fuel pumps
« on: February 15, 2008, 06:27:02 PM »
I agree  ;D

520
Engine Mechanical / Electrical / Re: Chevy rod choices?
« on: February 15, 2008, 09:42:39 AM »
Wow, I just had a very experienced engine builder tell me all chevy rods are forged...  :banghead:  So now I've been told by one very experienced engine builder that all chevy rods are cast and another very experienced engine builder tell me that all chevy rods are forged... check the parting line on the top rod - you be the judge.

(Attachment Link)

wide parting line means forged - narrow means cast (two halves of mold)

521
Engine Mechanical / Electrical / Re: fuel pumps
« on: February 14, 2008, 10:48:56 PM »
I'm (for now) going to run a holly blue, my regulator has 1 inlet line and 2 out lines , my existing fuel line from the carb just has 1 inlet (then split to both bowls) . So my question is can I just block off the other outlet off the regulator or do I need to buy a different regulator?

No need for a new reg, just block it off

522
Engine Mechanical / Electrical / Re: speaking of fuel pumps
« on: February 13, 2008, 10:25:34 PM »
Speedy,
 If you realy think its needed and cant find a marine pump for the Mopar.  Maybe you could drill the regular pump, attache a vent hose fitting, and run the vent hose to the fuel tank vent hose.  ???  I think the whole idea is, if the pump diaphragm goes bad the fumes/fuel will be vented out of the engine compartment .

 just an idea . ;D


That is what I thought the difference was, a vent fitting. I wasn't sure if there were any other differences (I couldn't think of anything else it could be though).  Just trying to be safe- after  my last accident, I'm leaning twords safer than not... Thanks  :)

523
Engine Mechanical / Electrical / Re: speaking of fuel pumps
« on: February 13, 2008, 08:22:50 PM »
I have a covered engine compartment....and a family who may borrow my boat and not do things right. I don't want to lose them or sink my boat over a few $$$.

I've upgraded to a marine starter and alternator (the major source of sparks), I figured I might as well get the marine grade fuel pump (or convert it) so I worry less about the family.

I also plan on running a o ring on the distributor cap, to take care of the last spark potential . The carbs don't have j tubes, but I put a hose tying the two float bowls together with the vent on the bottom to simulate what a j tube does. Other than that, I can't think of what else I need to be safer.


524
Engine Mechanical / Electrical / speaking of fuel pumps
« on: February 13, 2008, 06:20:49 PM »
What is the difference between a Marine and auto mechanical fuel pump? Is it just the air port on the back side of the diaphram isn't open to the air? If so, how are the marine versions? Do they breathe into the engine or is there a hose going to the carb or something? Are there other differences?

I have a choice of mechanical auto pump or auto electric in my garage.  I need to figure out if I can modify the auto mechanical pump to marine specs or if I need to buy another pump.   Any advice?

525
Engine Mechanical / Electrical / Re: getting ready for ming
« on: February 13, 2008, 10:23:53 AM »
cant tell ya, ;)

I bet it's less than 340 and bigger than 200 :-)

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