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Topics - BigBlueIron

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1
FE Technical Forum / Carter fuel pump
« on: March 21, 2024, 02:53:01 PM »
I picked up the Carter M4008 fuel pump I wanted the built in filter since there is plenty of room in this 74 F100 and its out of site for the most part. Two birds one stone kinda solution.   Summit lists this pump at 40gph and Carters website at 35gph. I'm thinking may be border line on this build. Disclaimer I haven't driven it yet so it may be just fine and I'm overthinking it.

 My question is anybody use this pump and actually know what kind of power it will support? Additionally when is it time to upgrade the 5/16" formed line from pump to carb to 3/8" assuming the pump is supplying plenty of fuel for whatever HP, when does the line itself become the problem.

Is there a higher flowing pump with integrated filter? I really don't want to run an inline filter over the front of the engine. If it comes to it I'll probably go with the carter electric at 50gph there is a good spot on the frame where the 2 tanks once switched just a few feet in front of the rear/existing tank.

2
FE Technical Forum / Which part # for scat crank
« on: October 30, 2023, 04:01:29 PM »
Trying to stock pile parts as they are available for an upcoming build, 428 based. 4.25 stroke 6.7 rod BBC journals. A cast crank should be well enough as I'm only shooting for an honest 500hp. But which part number do I need? 9-FE-4250-6700-2200? Seems they have about 15 variations.


 Ill use either Molnar or K1's. I figure I will end up with a custom piston so just trying to collect what I can in the mean time. Once the block and heads are verified then I can adjust the piston as needed to fit the build. If anyone has a part number for the Molnar's that would also be much appreciated.

3
FE Technical Forum / Anyone have a Bellhousing CAD print
« on: November 03, 2022, 10:20:54 AM »
Need to build a mount for a dyno cart, does anyone have the bellhouseing drawn up they would be willing to share? Possibly engine mounts and bell for 385 series would be great too, cut them both in one mount. Hoping to have them cut here at my day job on the laser if not I have a few buddies with cnc plasma tables. Thanks

4
Non-FE Discussion Forum / C6 1985 f250
« on: August 29, 2022, 11:13:27 AM »
So facebook market place got me again. Picked up a well used 1985 f250 with a snowplow which I definitely need and it will be nice having a dedicated plow truck for my property.

Question is on the trans, supposedly the trans is rebuilt with under 1000 miles. Well on the trip home (on a trailer as it would barley run) a battery cable which was for a secondary battery contacted one of the trans cooler lines and weld its self to the line melting a hole in it. I was unaware of the cables when I picked it up. Upon discovering the hole I noticed that there was no lost oil or any sign of oil at all, odd since I know the trans is full and I just drove it into the shop so I fired the truck up and confirmed no oil spurting from this broken line. Luckily it ran so poorly that I haven't driven it any farther then on and off the trailer. Seems to go in gear just fine.

 What can cause this? The truck has mostly sat around for many years with very light use and Ive read on the internet that a stuck check ball in the stator is the most likely cause and just to remove it. Is there any other things that can cause this before I have to remove the trans.

5
FE Technical Forum / Rod bearing clearance how tight is to tight
« on: July 13, 2022, 12:48:21 PM »
390 crank turned .010, bearing clearance is coming in at .0015. King CR809AM010 bearings. To tight?? Hot rod/driver pickup. Not a race engine.


6
FE Technical Forum / crank thrust, I need some
« on: June 06, 2022, 09:45:06 AM »
Doing a quick mock up yesterday D3 block fresh from machine shop, stock 390 crank turned .010 and .010. Fm125 bearings. The thrust bearings fit very tight in the block and the cap throw everything together for a measurement and I've got about .002 to .0025. Pulled crank and thrust bearings inspected deburred, resembled no change.  Reset top cap few times smacking crank back and forth no change.

Crank spins beautifully but not enough thrust clearance. What is the best way to gain some, remove thrust bearings and sand a little on the front side? Do these FM125 bearings normally fit that tight in blocks?

7
FE Technical Forum / pin locks L-2291
« on: May 18, 2022, 01:30:23 PM »
Using a set of lightly used L-2291 pistons on a new build. (cleaning out under the bench) Figured I would get some new pin locks and unfortunately it appears the original LR-N540098 locks are no longer available nor can i find old stock. Anyone have a recommendation on what I can use in place of?

8
FE Technical Forum / Short water pump
« on: March 29, 2022, 09:32:59 AM »
Anyone make a short shaft water pump? Something to eliminate the couple inches sticking out the past the pulley groove. The idea of modifying the shaft and using a press fit power steering pulley is going through my mind.

A couple inches right at the water pump would really help me in some cooling fan options.

9
FE Technical Forum / sparkumplugs
« on: March 25, 2022, 09:45:40 AM »
A friend just gave me some NOS Motorcraft BRF31 spark plugs, about 30 of them.

 I plan to run them in a fresh 390 with about 9 to 9.5-1 compression. Duraspark distributor hooked to an MSD digital 6 plus. Any flaws in this plan? anyone familiar with these old plugs? What little info I could find seems like these should work really well for the application.

10
Non-FE Discussion Forum / Waste oil heater
« on: September 16, 2021, 10:44:48 AM »
Anyone have any recommendations on a waste oil heater? With winter around the corner I have been considering one.


11
FE Technical Forum / Steel distrubitor gear
« on: August 30, 2021, 02:41:02 PM »
So it appears the steel dist gear from Crane 52970-1 is no longer available. Alternatives?

12
Non-FE Discussion Forum / Holley stock
« on: July 30, 2021, 09:08:04 AM »
For any that are interested in trading stocks Holley became publicly traded couple weeks ago. Symbol is HLLY

13
FE Technical Forum / non adjustable rocker clearance
« on: July 27, 2021, 03:22:07 PM »
Refurbishing some factory non adjustable rocker arms using oversized shafts. What clearance should I shoot for .003?

14
Non-FE Discussion Forum / 73-79 tailgate
« on: May 19, 2021, 02:52:37 PM »
What is a 73-79 tailgate worth? Appears to be in near mint condition, https://www.facebook.com/marketplace/item/935246720592123/?ref=search&referral_code=marketplace_search&referral_story_type=post


Trying to collect parts to piece together a nice Highboy one day.

15
Private Classifieds / WTB Tunnel wedge
« on: April 27, 2021, 11:42:03 AM »

Has anyone picked up a Trick flow that they no longer need and are willing to shake it loose. New is few months out from talking with Trickflow.

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