Click Here -> Please Consider Making a PayPal Contribution to the FordSix Forum!
2018 Contributors:
StarDiero75, curts56, DannyG, B RON CO, wsa111, Captainslow42, falconcritter
Econoline, THE FRENCHTOWN FLYER, 95FordFleetside, turbo6, Max_Effort, WorldChampGramp
cr_bobcat, C.S.Designs, pmuller9, gus91326, rwbrooks50, rocklord, drag-200stang, Big64my79Effie, CNC-Dude, gb500

2019 Contributors:
NJwpod, 1strodeo, mightynorseman, maxtrux, 6d7coupe, broncr, Phase3, 68Flareside240, bmbm40,
mustang6, WorldChampGramp, justintendo, BigBlue94, ags290, motorsickle1130, Rooster, ousooner919, ethanperry

Unknown->> M.Ketterer, T.Smith, J.Myers, P.McIntire - Please PM me (1966Mustang) and lemme know who you are!

Search found 443 matches

by MercuryMarc
Thu May 08, 2014 1:48 am
Forum: 144-250 "Small Block" Six Performance
Topic: Engine Vibration
Replies: 29
Views: 4048

Re: Engine Vibration

Did you ever solve the mystery of the vibration?
Marc in SF
by MercuryMarc
Wed Jul 06, 2011 2:59 am
Forum: 144-250 "Small Block" Six Performance
Topic: carter rbs question
Replies: 26
Views: 2918

Re: carter rbs question

Yoda- I wonder if the problem is in the lever mechanism the pushes down the plunger. On the web page (links on my prior post) there are measurements to set the "plunger depth" of the accelerator pump lever- the picture shows shims and washers and even has a measurement for appropriate leve...
by MercuryMarc
Mon Jul 04, 2011 2:07 pm
Forum: 144-250 "Small Block" Six Performance
Topic: carter rbs question
Replies: 26
Views: 2918

Re: carter rbs question

yodabiri wrote: Who knew that rebuilding the carb with new parts was a bad thing

LOL!
Keep me/us posted and happy 4th!
Marc in SF
by MercuryMarc
Sun Jul 03, 2011 4:29 am
Forum: 144-250 "Small Block" Six Performance
Topic: carter rbs question
Replies: 26
Views: 2918

Re: carter rbs question

Yoda, did you pull off the air cleaner, hold open the choke with a wire or screw driver, look down into the carb, and open up the throttle lever quickly to check for a good fuel spray into the barrel? If you do not see or hear any spray it sounds to me like a bad accelerator pump. I am not sure abou...
by MercuryMarc
Mon Jun 27, 2011 11:45 pm
Forum: 144-250 "Small Block" Six Performance
Topic: carter rbs question
Replies: 26
Views: 2918

Re: carter rbs question

Sorry to chime in so late, I have RBS on my 250 and it runs MUCH better than all other carbs that I have tried:1940 manual choke, 1940 auto choke, Autolite 1100, Autolite 1101, HW5200,and HW5200 overbored to 27/29 mm venturies. Like others have mentioned, the remanufactured RBS I bought ran poorly, ...
by MercuryMarc
Mon Apr 18, 2011 10:22 am
Forum: 144-250 "Small Block" Six Performance
Topic: Delayed onset of Oil Light
Replies: 15
Views: 1661

Re: Delayed onset of Oil Light

Thanks everyone!
I have ordered the rest of the fittings from Summit and when they arrive I'll hook up a dual system with the light and the mechanical gauge. That way I can check the light and gauge simultaneously.
Marc in SF
63 Comet 250 ci
by MercuryMarc
Sun Apr 17, 2011 7:24 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Delayed onset of Oil Light
Replies: 15
Views: 1661

Re: Delayed onset of Oil Light

Update- Took it for a spin. Here is what happens after operation for 30 minutes... 40-45 psi when driving over 20 mph (my 1978 Shop Manual says oil pressure 40-60 psi when hot at 2000 rpm so I think that the driving pressure is fine). 17 psi in neutral at idle when warm (210 degrees when my electric...
by MercuryMarc
Sun Apr 17, 2011 6:00 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Delayed onset of Oil Light
Replies: 15
Views: 1661

Re: Delayed onset of Oil Light

Leo, RB, Chad, and Bubba, Thanks for the suggestions. I replaced the sending unit and checked the wire, and still has the light on. I changed the oil, changed the filter, and installed a $20 oil pressure gauge (with $10 of brass fittings...) and the light pressure seems to be fine- 45 lbs at idle, a...
by MercuryMarc
Sat Apr 16, 2011 2:59 am
Forum: 144-250 "Small Block" Six Performance
Topic: Delayed onset of Oil Light
Replies: 15
Views: 1661

Re: Delayed onset of Oil Light

Teddy- did you ever solve the problem? I have a similar problem. I have a 1963 Comet with a 1970 Falcon 250 ci, I honed and re-ringed in 5 years (10 k) ago. I drove it 400 miles from SF to LA and it ran fine at 60-70 mph. But on the way back my oil light began to come on after 5 minutes of driving, ...
by MercuryMarc
Tue Aug 03, 2010 4:53 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Need Carb Help!!
Replies: 25
Views: 2906

Re: Need Carb Help!!

It seems to run a little better at idle when it's warm. It runs fine while driving, under acceleration and all. The butterfly is open all the way while running. I forgot to mention that the idle mixture screw it way out, almost all the way it seems . I am not an expert but I think you have a large ...
by MercuryMarc
Tue Jul 27, 2010 5:06 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Need Carb Help!!
Replies: 25
Views: 2906

Re: Need Carb Help!!

Jon- Glad you are getting back to the car! Can you let us know if the carb runs good once it warms up? And once it is warm, is the choke all the way open (looking at the choke plate butterfly after the car is warm, after removing the air cleaner? This might help determine if you have a choke problem...
by MercuryMarc
Tue Apr 06, 2010 1:56 am
Forum: 144-250 "Small Block" Six Performance
Topic: Going back to I6...
Replies: 13
Views: 2268

Re: Going back to I6...

Keep us posted-
I have a 250 in my 63 Comet with a C4 and it works very well. After experimenting with lots of carbs I found the Carter RBS works quite well- make sure to get the cable throttle linkage from the donor.
Good luck and have fun!
Marc in SF
by MercuryMarc
Wed Sep 02, 2009 11:01 am
Forum: 144-250 "Small Block" Six Performance
Topic: Need Carb Help!!
Replies: 25
Views: 2906

Re: Need Carb Help!!

Hi Jon- I consider myself an expert on taking a working car, fiddling with the carb, and then getting it to run worse! I have tried several carbs on my 250 and the most common issues I have encountered after a rebuild are 1) vacuum leaks 2) blocked fuel passages/circuits in the carb itself Most of m...
by MercuryMarc
Wed Aug 19, 2009 1:19 am
Forum: 144-250 "Small Block" Six Performance
Topic: Need Carb Help!!
Replies: 25
Views: 2906

Re: Need Carb Help!!

I have quite a collection of carbs on my 250 (stuffed in my 63 Comet)... I have tried the following... Holley 1940 auto choke- small bore and large bore venturi Holley 1940 manual choke- large bore venturi HW 5200 unmodified HW 5200 heavily modified with various jets and venturis bored out by 2-4 mm...
by MercuryMarc
Thu Aug 06, 2009 8:33 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Won't crank when hot
Replies: 14
Views: 1043

Re: Won't crank when hot

Okham's Razor cuts again


Hey Tony-
LOL! I can't tell you how many times I've cut myself on that darn razor!
Marc
by MercuryMarc
Fri Jul 31, 2009 10:23 am
Forum: 144-250 "Small Block" Six Performance
Topic: Won't crank when hot
Replies: 14
Views: 1043

Re: Won't crank when hot

Did you get the issue resolved? I had a bad ground cable- resistance was acceptable when cool but excessive when hot, not allowing sufficient cranking current. Too bad I found this out after replacing the battery...
Good luck!
by MercuryMarc
Thu Jun 11, 2009 12:58 am
Forum: 144-250 "Small Block" Six Performance
Topic: Phenolic Carb Spacer HELP
Replies: 22
Views: 1602

Re: Phenolic Carb Spacer HELP

Stephen-
did you ever get the phenolic and if you did where did you get it?
Marc
by MercuryMarc
Thu Nov 27, 2008 12:18 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Cooling fans - electric or mech?
Replies: 23
Views: 2563

Here's my million dollar question... What is better a capillary tube in the radiator or a thread in sensor in the block??? I recently tried out a 195* thermostat and it seems to keep a better stable temperature. But I need a new aux fan control. ( I currently have have a 185*) I think the block (or...
by MercuryMarc
Wed Nov 19, 2008 10:41 am
Forum: 144-250 "Small Block" Six Performance
Topic: Cooling fans - electric or mech?
Replies: 23
Views: 2563

Where did you get the three row Al radiator? I thought they only were available in 2 row!!


Oops- you are correct- I have a TWO row aluminum radiator that is supposed to cool like a 3 row brass radiator.
by MercuryMarc
Tue Nov 11, 2008 11:56 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Cooling fans - electric or mech?
Replies: 23
Views: 2563

I installed the LED light between the switched power supply going to the fan and ground- in parallel but not in series (see the schematic above on my link). On the freeway at night the fan was a little generator and my dash light LED would go on! I used a bridge rectifier since it was cheaper and ea...
by MercuryMarc
Sun Nov 09, 2008 7:09 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Cooling fans - electric or mech?
Replies: 23
Views: 2563

Jason- I have a pusher electric 14" fan, electric temp switch plugged into the T-stat housing, variable temp control for the switch, and LED dash light to see when the fan kicks in, and an aftermarket temp gauge. Works nice on my 250- no room for a conventional fan or a puller electric since I insta...
by MercuryMarc
Thu Mar 20, 2008 2:42 am
Forum: Electrical, Audio, and Electronics
Topic: Headlight Relays
Replies: 6
Views: 1088

I gutted the regulator and just used the outside box to hide the relays- I got the idea from Redfalken.com at

http://www.redfalken.com/pages/relays.html

Good luck!
by MercuryMarc
Sat Mar 08, 2008 12:36 am
Forum: 144-250 "Small Block" Six Performance
Topic: Primary reason for building a six?
Replies: 93
Views: 13643

To be different-
Pop the hood at a car show and heads turn!
And of course to be able to "hang out" on this great forum!!!
Thanks for asking!
by MercuryMarc
Thu Feb 28, 2008 2:10 am
Forum: Transmission & Drivetrain
Topic: rebuilding a c-4
Replies: 10
Views: 1186

I rebuilt mine- and am a rookie- and I used the Haynes Ford Manual- on sale on amazon and ebay for about 15 bucks. http://www.innerauto.com/images/performance/thumbs200/haynes/H1610355.jpg Here is how I did it: http://homepage.mac.com/jaffes/comettrans/PhotoAlbum15.html I also used RadFalken's great...
by MercuryMarc
Mon Jan 21, 2008 7:46 pm
Forum: Electrical, Audio, and Electronics
Topic: MadElectical manual
Replies: 9
Views: 1212

Thanks LG-
but if it is a 63 amp alt, won't that trip blow a fuse if it's only 20 amps?
-Marc
by MercuryMarc
Mon Jan 21, 2008 3:39 pm
Forum: Electrical, Audio, and Electronics
Topic: MadElectical manual
Replies: 9
Views: 1212

I agree- it's odd. I just went ahead and installed the GM alternator using suggestions from the web- seems to work just fine. My main question is if I need to install a fuse somewhere between the alternator (63 amp) and my terminal block or battery. Sites I used: http://www.rowand.net/Shop/Tech/Alte...
by MercuryMarc
Sun Jan 20, 2008 10:08 pm
Forum: 144-250 "Small Block" Six Performance
Topic: 2 barrel
Replies: 27
Views: 2753

I changed to a cable throttle from a 74 Maverick ($20 at the junkyard). http://homepage.mac.com/jaffes/.cv/jaffes/Sites/.Pictures/Comet%20folder/RBS%20Carb/IMG_2415.JPG-thumb_269_202.jpg And then mounted like this: http://homepage.mac.com/jaffes/.Pictures/Photo%20Album%20Pictures/2007-12-30%2000.44....
by MercuryMarc
Sun Jan 20, 2008 7:41 pm
Forum: Electrical, Audio, and Electronics
Topic: Cigarette Lighter
Replies: 8
Views: 1251

Ok- this response is a year late but if I had the same problem- dead cigar lighter. I had a blown sulfur fuse, and ugraded to an inline fuse. Now I can charge my phone or ipod in the dash-
like this: Cigar Lighter Fuse Upgrade

Good Luck!
by MercuryMarc
Sun Jan 20, 2008 7:19 pm
Forum: Electrical, Audio, and Electronics
Topic: MadElectical manual
Replies: 9
Views: 1212

John-
did you ever get the MAD Electric manual?
I have called and like you I get no answer.
I'm thinking of swapping out my 1 wire alt and going for an internally regulated 3 wire.
Thanks!
by MercuryMarc
Sun Jan 20, 2008 2:35 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Carburetor help.
Replies: 23
Views: 1655

I have rebuilt many Holley 1940 carbs and two times ended up with WORSE performance. Both times were due to plugged fuel passages. So you might try to take the carb apart again and blow out the fuel passages/circuits. If you do not have compressed air you can blow a shot of air using a clean section...
by MercuryMarc
Sun Jan 20, 2008 12:38 am
Forum: 144-250 "Small Block" Six Performance
Topic: 2 barrel
Replies: 27
Views: 2753

Hey MercuryMarc, how did determine how much to enlarge the carb body bores of your 5200? (Check Marc's link 5200 HW Carb setup in the post). Do you notice a big difference in performance over stock? I have the same carb on my 1976 BMW 2002, and may give it a try. I enlarged the venturis from the st...
by MercuryMarc
Sat Jan 19, 2008 6:24 pm
Forum: Electrical, Audio, and Electronics
Topic: Changing from 1 wire to 3 wire alternator
Replies: 0
Views: 631

Changing from 1 wire to 3 wire alternator

I have a transpro F7078 one wire voltage regulator on the back of my alternator, making the set-up a "one wire" alternator. I'd like to covert to a 3 wire alternator and have voltage sensing from the terminal block on the starter solenoid. I was wondering if I can just disconnect the wire from the v...
by MercuryMarc
Sat Jan 19, 2008 1:20 am
Forum: 144-250 "Small Block" Six Performance
Topic: 2 barrel
Replies: 27
Views: 2753

I have a 2 barrel on my 63 Comet with a 250. I have less than 1 inch clearance from the carb (measured a the highest point of the choke plate with the choke 100% open and vertical) and the hood. I have fabricated an air cleaner to be only 1/2" higher then the top of the choke plate, and drops 1.5 in...
by MercuryMarc
Mon Jan 07, 2008 3:19 am
Forum: Electrical, Audio, and Electronics
Topic: Headlight Relays
Replies: 6
Views: 1088

Headlight Relays

I just installed my headlight relays and WOW- much brighter! Here's how I did it without cutting any original wires- I was able plug my new wires into the connectors after I uncoupled two of them (the ones that connect the headlight units to the wiring harness along the radiator support). Upgraded H...
by MercuryMarc
Sun Jan 06, 2008 7:01 pm
Forum: Steering and Suspension
Topic: Scarebird question
Replies: 26
Views: 3033

Sorry for all the confusion. Let me make it clear that I am not a professional mechanic, just a do-it-yourselfer with a few tools and lots of patience... As far as the hub surface that contacts the face, I am not sure what he did. I asked that he trim the outside diameter so that the hubs would be n...
by MercuryMarc
Sun Jan 06, 2008 6:44 pm
Forum: Steering and Suspension
Topic: Scarebird question
Replies: 26
Views: 3033

I noticed on your website that you say that the Machine Shop "lathed the hub edges"! When you mention the "hub edges" are you saying they cut/lathed the outer diameter of the hub. Did they cut/lathe the "face" of the hub that makes contact with the rotor as well??? I'm not sure what they did... I b...
by MercuryMarc
Sun Jan 06, 2008 11:27 am
Forum: 144-250 "Small Block" Six Performance
Topic: 200 to 250 swap
Replies: 4
Views: 1013

What car are you putting the motor into (year and make)?
by MercuryMarc
Sun Jan 06, 2008 4:42 am
Forum: Steering and Suspension
Topic: Scarebird question
Replies: 26
Views: 3033

I also installed the Scarebird 4 lug front disks for about 1/2 the cost of the other systems. Works great and the swap went well without any major problems. See the blow-by-blow description at:

http://homepage.mac.com/jaffes/cometbrakes/PhotoAlbum28.html

Good luck!
by MercuryMarc
Fri Jan 04, 2008 2:47 am
Forum: Electrical, Audio, and Electronics
Topic: help with putting a radio in a glove box
Replies: 15
Views: 1577

Wallaka- glad you like the site!
Traitor- I got my IR Repeater here:

http://store.mp3car.com/ProductDetails.asp?ProductCode=COM-010

Good luck!
by MercuryMarc
Wed Jan 02, 2008 1:39 pm
Forum: Electrical, Audio, and Electronics
Topic: help with putting a radio in a glove box
Replies: 15
Views: 1577

I mounted my stereo in my trunk and used and IR Repeater so I run all the controls off my remote. I did have to drill a 1/8" hole in my gauge holder (between the Temp gauge and clock): http://homepage.mac.com/jaffes/.Pictures/Photo%20Album%20Pictures/2008-01-02%2008.38.52%20-0800/Image-96A22B82B94F1...
by MercuryMarc
Tue Jan 01, 2008 7:29 pm
Forum: 144-250 "Small Block" Six Performance
Topic: HW 5200 Backfires and Stumbles when starting
Replies: 9
Views: 1095

Thanks Bort- Both are ported vacuum sources. I am tempted not to touch anything at the moment since it runs prettty well- just waiting to use a tank or two to check my MPG and look at my plugs. Welcome to the SF Bay Area! I live in Burlingame (made famous since it is the "B" in "BALCO" and the cente...
by MercuryMarc
Tue Jan 01, 2008 2:25 pm
Forum: 144-250 "Small Block" Six Performance
Topic: HW 5200 Backfires and Stumbles when starting
Replies: 9
Views: 1095

Update: Moved the timing from about 6-8 degrees to 14 degrees BTDC and it fires up much better. Not sure why the RBS didn't like initial advance more than 8 (too much pinging) but my 5200 won't start easily unless advanced more than 12-14 degrees. Thanks for all the help so far. Pics at: http://home...
by MercuryMarc
Fri Dec 28, 2007 4:12 am
Forum: 144-250 "Small Block" Six Performance
Topic: HW 5200 Backfires and Stumbles when starting
Replies: 9
Views: 1095

H3 and Bort-
thanks for the suggestions.
By the way, here is the carb rotated to the proper position:
Image
and also my shiny new Alum Rad from Oscar's on ebay...
by MercuryMarc
Fri Dec 28, 2007 12:00 am
Forum: 144-250 "Small Block" Six Performance
Topic: HW 5200 Backfires and Stumbles when starting
Replies: 9
Views: 1095

Your car really died on left hand turns? I thought that was for hard lefts. Every single time I turned left onto my street 1/4 mile from home my car gasped and stumbled. But only on my street and only on my way home. I think it had to to with the the fact that I was always going 20-25 MPH, braking ...
by MercuryMarc
Thu Dec 27, 2007 9:54 pm
Forum: 144-250 "Small Block" Six Performance
Topic: HW 5200 Backfires and Stumbles when starting
Replies: 9
Views: 1095

HW 5200 Backfires and Stumbles when starting

OK- now I swapped my HW 5200 back into my 250. I bought a stovebolt adapter and now it is oriented float bowl forward, so now more dying on left hand turns. Idles great. Picks up speed fast on the freeway when the 2nd barrel throttle plates open- you can feel it. But on starting it backfires once. T...
by MercuryMarc
Tue Dec 18, 2007 5:10 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Corroded DS2 Distrbutor Cap/rotor Contacts-Carbon Tracking?
Replies: 6
Views: 798

I just checked the vacuum at idle 2 weeks ago while resetting the idle settings- steady at about 20 mm

Do you have a steady vacuum at idle?
by MercuryMarc
Tue Dec 18, 2007 11:26 am
Forum: 144-250 "Small Block" Six Performance
Topic: Corroded DS2 Distrbutor Cap/rotor Contacts-Carbon Tracking?
Replies: 6
Views: 798

thanks for the replies. I rebuilt the engine in 4/05 Last cap/rotor change then (oops..), perhaps 4,000 miles on it since Plugs changed a month ago -nice and tan -Standard Autolite plugs for 70 Mustang 250-gapped to 0.045 New plug wires 2005 (standard for a 80 Mercury Monarch) Runs extremely rough a...
by MercuryMarc
Tue Dec 18, 2007 9:43 am
Forum: 144-250 "Small Block" Six Performance
Topic: Corroded DS2 Distrbutor Cap/rotor Contacts-Carbon Tracking?
Replies: 6
Views: 798

Perhaps Carbon Tracking?
I found this video (see the part starting 2 min 0 sec into the video):

http://www.expertvillage.com/videos/distributor-inspection.htm

Thanks!
by MercuryMarc
Tue Dec 18, 2007 1:53 am
Forum: 144-250 "Small Block" Six Performance
Topic: Corroded DS2 Distrbutor Cap/rotor Contacts-Carbon Tracking?
Replies: 6
Views: 798

Corroded DS2 Distrbutor Cap/rotor Contacts-Carbon Tracking?

I pulled off my Dist Cap and noted that my rotor contact has white corroded material on the end, and my distrbutor cap contacts also are corroded with heaped up, irregular metal where the contacts touch. http://www.angelfire.com/falcon/comet0/rotor.jpg I will replace with a new cap and rotor (the un...
by MercuryMarc
Sat Dec 15, 2007 3:05 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Demon or holley?
Replies: 6
Views: 978

Demon- did you get it?

YB-
Did you get the Demon 350?
I am thinking about it for my 250.
Please give me/us an update.
Thanks!

Go to advanced search