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Search found 772 matches

by 66 Fastback
Tue Dec 03, 2013 12:10 am
Forum: 144-250 "Small Block" Six Performance
Topic: Ditching Load-o-matic setup
Replies: 26
Views: 2916

Re: Ditching Load-o-matic setup

Howdy Ag! I put a Weber 32/36 on my 66. I also bought a post 1968 distributor that has centrifugal and vac advance. The 2 bbl carb had more pep. I also put a pertonix kit in the distributor. A 5 speed transmission was the best improvement I made to the car with respect to drivability. As Frakenstang...
by 66 Fastback
Mon Jul 01, 2013 1:25 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Mustang Monthly article on Alum hean in stall.
Replies: 93
Views: 12132

Re: Mustang Monthly article on Alum hean in stall.

My neighbor owns GPE Competition Starters here in the OKC area. He said he likes the challenge of building mini-starters for some antique and less common engines. I bought one from him for my Pontiac. I may have a 2 bolt starter that he could use as a template. You might contact him for pricing. Dou...
by 66 Fastback
Sat Dec 08, 2012 10:53 am
Forum: 144-250 "Small Block" Six Performance
Topic: "new"mustang new problem
Replies: 16
Views: 2360

Re: "new"mustang new problem

x2 on the condensation. The '65 Lincoln I had was notorious for forming condensation in the engine, espescally in the breather cap.
Doug
by 66 Fastback
Sat Dec 08, 2012 10:41 am
Forum: 144-250 "Small Block" Six Performance
Topic: cooling
Replies: 13
Views: 1831

Re: cooling

It could be a timing issue. My car had overheating issues. If timing is retarded, the engine can overheat. If you disconnect the distributor vaccuum, you can watch the coolant temp climb. Look for too things. Make sure the vacuum advance on the distributor is functioning and advancing the timing bot...
by 66 Fastback
Wed Jun 27, 2012 9:33 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Vacuum advance issues - 67 200ci w/ autolite 1100
Replies: 8
Views: 1435

Re: Vacuum advance issues - 67 200ci w/ autolite 1100

I have no proof other than the rebuilt units I have bought, but I think the mass produced rebuilt distributors probably set up with a very conservative advance curve to prevent too much advance which could result in claims of damaged engines. My car got poor fuel economy but it had several contribut...
by 66 Fastback
Thu Apr 26, 2012 8:23 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Cooling problem
Replies: 12
Views: 1184

Re: Cooling problem

x2 on the slipped balancer issue. If you have a timing light etc, it does no good if the TDC mark on the balancer pulley has slipped and is not in the correct position. I had poor running and overheating until I fixed two things on my car. 1. Slipped Balancer 2. Distributor vacuum advance canister n...
by 66 Fastback
Fri Feb 17, 2012 5:41 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Msd ignition timing?
Replies: 3
Views: 764

Re: Msd ignition timing?

I am not familiar with that MSD model. But it never hurts to check the timing afterwards. I think mine had advanced after the last MSD install.

What distributor are you running? If you have the Load-o-Matic, is it compatible with your carburetor?
Doug
by 66 Fastback
Tue Jan 17, 2012 2:20 pm
Forum: 144-250 "Small Block" Six Performance
Topic: How many revs
Replies: 16
Views: 2574

Re: How many revs

Well the other possibility is that the speedometer driven gear is incorrect and the indicated speed is not correct. I would tend to believe that an electronic tachometer has a better chance of being accurate than the speedometer. The speedometer has several components that have to function together ...
by 66 Fastback
Tue Jan 17, 2012 2:05 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Replacing a vacuum advance control
Replies: 3
Views: 840

Re: Replacing a vacuum advance control

Look in the carb when pushing the accelerator and see if fuel is visibly squirting into the carb. That will tell you if the accel pump is working. Assuming you don't have a timing light to check if the distributor is advancing the timing..... Pop the cap off of the distributor. Connect a hose to the...
by 66 Fastback
Tue Nov 29, 2011 7:46 pm
Forum: 144-250 "Small Block" Six Performance
Topic: How many revs
Replies: 16
Views: 2574

Re: How many revs

Are your tires and wheel sizes the stock size equivalent?
Doug
by 66 Fastback
Wed Sep 28, 2011 1:22 pm
Forum: 144-250 "Small Block" Six Performance
Topic: negative battery cable ground
Replies: 6
Views: 1348

Re: negative battery cable ground

I bought one of those bolts / studs from one of the Mustang parts houses years ago, but looking through several on line catalogs, I could not see it listed separately on any of them.
Doug
by 66 Fastback
Fri Sep 16, 2011 2:14 pm
Forum: 144-250 "Small Block" Six Performance
Topic: negative battery cable ground
Replies: 6
Views: 1348

Re: negative battery cable ground

I don't think that stud was meant to be used for a battery cable. I always thought it was used for a bracket that mounted to the air conditioner.
The battery cable went to the starter/bell housing or on the side of the alternator / a/c bracket.
I've got myself confused now.
Doug
by 66 Fastback
Wed Aug 24, 2011 2:01 pm
Forum: Transmission & Drivetrain
Topic: Rebuilding a Rear-end
Replies: 3
Views: 724

Re: Rebuilding a Rear-end

Sounds like you covered it. I had a Pontiac rear end rebuilt a few years ago, but I do not recall what they charged. I had supplied the bearing gasket kit. I also replaced the axle bearings, gaskets etc.
by 66 Fastback
Wed Aug 24, 2011 1:54 pm
Forum: 144-250 "Small Block" Six Performance
Topic: PCV Theory ?
Replies: 7
Views: 1123

Re: PCV Theory ?

If you have the time an patience, the PCV topic linked below was eye-opening for many of us. Some portions mention vented vs non-vented caps.
Doug

viewtopic.php?f=5&t=53111&hilit=+PCV
by 66 Fastback
Mon Aug 22, 2011 2:00 pm
Forum: 144-250 "Small Block" Six Performance
Topic: PCV valve placement
Replies: 5
Views: 1015

Re: PCV valve placement

Probably should be OK with plumbing the PCV from the road draft tube openning. My old '61 Vette shop manual had provisions for a PCV valve for the California cars. The engine blocks were the same and the road draft tube was removed and hoses and the valve were plumbed to the base of the carb.
Doug
by 66 Fastback
Mon Aug 22, 2011 1:51 pm
Forum: 144-250 "Small Block" Six Performance
Topic: noob dizzy questions
Replies: 10
Views: 1304

Re: noob dizzy questions

If you are happy with the stock Load-O-Matic distributor and it is working correctly, then you may as well keep it. By installing the MSD box and triggering it with the points, you have taken most of the load off of the points and the contacts will last for many years. I have a similar setup on my o...
by 66 Fastback
Mon Jul 04, 2011 7:32 pm
Forum: 144-250 "Small Block" Six Performance
Topic: A Cool Running
Replies: 25
Views: 2639

Re: A Cool Running

The cool side of the radiator will not be cool to the touch. To cool that much would take either really cool air temps or an oversized cooling system. 215 deg with the AC on sounds reasonable to me. The 4 deg cam advance has nothing to do with the ignition advance. They are two different animals, an...
by 66 Fastback
Sat Jul 02, 2011 10:31 am
Forum: 144-250 "Small Block" Six Performance
Topic: A Cool Running
Replies: 25
Views: 2639

Re: A Cool Running

Jackfish brings up a good point about the temp transducer. You mention that you don't boil over. It looks like you confirmed the temps with another gauge. I had replaced the temp transducer on my Stang with a new one and the the temp readings were not accurate, even though the stock gauges don't hav...
by 66 Fastback
Thu Apr 21, 2011 1:55 am
Forum: 144-250 "Small Block" Six Performance
Topic: 200ci Overheating
Replies: 29
Views: 2654

Re: 200ci Overheating

You may need to verify that the balancer has not slipped. If you set timing and the timing mark is off, the initial timing could be retarded and that will definately contribute to the overheating at idle as well as at higher engine rpm's. Do a search on slipped balancer and you should see this same ...
by 66 Fastback
Thu Apr 21, 2011 1:34 am
Forum: 144-250 "Small Block" Six Performance
Topic: Water Pump
Replies: 6
Views: 884

Re: Water Pump

Yes, a smaller pump pulley will result in a faster rpm on the pump and more flow. According to the pump affinity laws, the flow is proportional to the rpm of the pump. A down side of the rpm increase is the horsepower consumption is proportional to the cube of the speed. With regards to cavitation, ...
by 66 Fastback
Wed Dec 15, 2010 7:45 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Exhaust pipe size urgent
Replies: 4
Views: 840

Re: Exhaust pipe size urgent

Either is probably overkill for the 200. However, I have wondered if it the performance difference is all that much if you are running headers anyway. You might find more muffler selection with the larger tube size or at least not have to use as large of a transition adapter.
Doug
by 66 Fastback
Fri Nov 05, 2010 10:50 am
Forum: Electrical, Audio, and Electronics
Topic: MSD 6A Box.
Replies: 7
Views: 2037

Re: MSD 6A Box.

I used to drive the cars frequently, but for the last several years they probably get driven once or twice per month. I have never cleaned or adjusted the points. I use the points just to trigger the MSD. If I recall, it is the white wire that just triggers the MSD. There is very little electrical l...
by 66 Fastback
Tue Nov 02, 2010 12:57 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Droning exhaust fix ideas?
Replies: 18
Views: 2854

Re: Droning exhaust fix ideas?

My Pontiac had a bad drone with the Flowmaster 40's. When I rebuilt the engine I installed the Dynomax Ultra-flow mufflers. But I also instlled an overdrive transmission. My drone is way down, but I don't know how much if any is due to the muffler swap since the change in the rpm's is probably the m...
by 66 Fastback
Mon Nov 01, 2010 6:47 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Pics of Weber DGV?
Replies: 4
Views: 801

Re: Pics of Weber DGV?

I ended up installing a regulator with my replacement stock fuel pump. It has been several years, but if I recall, my mileage was not what I thought it should be with the Weber and the T-5 transmission. I installed the regulator and picked up a couple of mpg on the highway. I think the fuel pressure...
by 66 Fastback
Mon Oct 25, 2010 1:18 pm
Forum: Electrical, Audio, and Electronics
Topic: MSD 6A Box.
Replies: 7
Views: 2037

Re: MSD 6A Box.

I have 3 MSD's all on 1960's carbureted cars running points distributors. It improves the starting, idle and acceleration of those cars. It also has kept the plugs clean for years rather than fouling out in months like they used too. An since the points are used just to trigger the MSD box, there is...
by 66 Fastback
Tue Sep 28, 2010 1:15 pm
Forum: 144-250 "Small Block" Six Performance
Topic: 200 cid Hesitation
Replies: 10
Views: 1484

Re: 200 cid Hesitation

Here is a test on the distributor I recently posted on another thread. Quick test for the vac cannister. disconned the vac line at the carb and plug it off. Suck on the end of the vac line while connected to the distributor and see if it holds vac. If you still have a steel vacuum line, you might ne...
by 66 Fastback
Sat Sep 25, 2010 11:19 pm
Forum: 144-250 "Small Block" Six Performance
Topic: vacuum problem
Replies: 15
Views: 1982

Re: vacuum problem

It also sounds like the vacuum advance can has a leak since you say it bleeds off. If you are able to hook up the vacuum pump to it and increase the vacuum while you are shooting the timing light then you should see the timing advance. With some additional rubber hose, it should be possible. Doug
by 66 Fastback
Fri Sep 24, 2010 2:54 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Idle problems
Replies: 17
Views: 1975

Re: Idle problems

At what rpm is it surging? It could be that your rpm's are up in the bottom range of the centrifugal advance and it is leading to an unstable idle. If you are using manifold vac for the distributor, the same thing can happen if the engine has low vacuum or the vac cannister has a operating range tha...
by 66 Fastback
Fri Sep 24, 2010 2:47 pm
Forum: 144-250 "Small Block" Six Performance
Topic: vacuum problem
Replies: 15
Views: 1982

Re: vacuum problem

Jackfish may be on to something. I have seen timing mark jump around when you are setting timing, but I have not seen it rotate around. A balancer might explain that. It would also explain the poor running if you set the timing by using a timing mark that has moved.
Doug
by 66 Fastback
Tue Sep 21, 2010 7:10 pm
Forum: 144-250 "Small Block" Six Performance
Topic: arc on balancer
Replies: 67
Views: 4922

Re: arc on balancer

I would be interested in seeing this problem. Maybe another set of eyes will help. Besides, if I see it too, you won't be the only crazy one on this site :wink: I work in downtown OKC and could arrange to meet if you are interested. Doug Didn't this kind of stuff happen in Close Encounters of the Th...
by 66 Fastback
Tue Sep 21, 2010 2:40 pm
Forum: 144-250 "Small Block" Six Performance
Topic: 200 cid Hesitation
Replies: 10
Views: 1484

Re: 200 cid Hesitation

As Richard was leading to, you might check the distributor and see if the vacuum advance and or centrifugal advance mechanisms are functioning. Improper timing can produce a gutless wonder.
Doug
by 66 Fastback
Tue Sep 21, 2010 2:33 pm
Forum: 144-250 "Small Block" Six Performance
Topic: rough running when cruising
Replies: 6
Views: 923

Re: rough running when cruising

Another question I have is what kind of transmission, rear axle ratio and wheel size do you have? What kind of cam do you have and what are your engine rpm's and engine vac when you are getting the bucking? Could it partially be a cam / gearing problem? (just drawing on my own mistakes for this one)...
by 66 Fastback
Tue Sep 21, 2010 2:26 pm
Forum: 144-250 "Small Block" Six Performance
Topic: rough running when cruising
Replies: 6
Views: 923

Re: rough running when cruising

Might check the float levels on the carbs while you are at it. I am assuming that you have some sort of progressive linkage on the 3 carbs such that the middle carb is the only one running under light throttle cruise conditions. Maybe you need to increase the jetting on the "primary" carb ...
by 66 Fastback
Tue Sep 21, 2010 2:15 pm
Forum: 144-250 "Small Block" Six Performance
Topic: vacuum problem
Replies: 15
Views: 1982

Re: vacuum problem

Quick test for the vac cannister. disconned the vac line at the carb and plug it off. Suck on the end of the vac line while connected to the distributor and see if it holds vac. If you still have a steel vacuum line, you might need to add a hose to be able to do this. Also check to see if the steel ...
by 66 Fastback
Wed Sep 01, 2010 12:16 am
Forum: 144-250 "Small Block" Six Performance
Topic: Manifold vs Ported Vacuum
Replies: 12
Views: 3232

Re: Manifold vs Ported Vacuum

Sounds similar to the problem I had on the Pontiac. At what vac level is the vac advance maxed out? And what vacuum are you pulling at 3000 rpm when you get the part throttle pinging? My problem was that part throttle at cruising rpm's did not drop the engine vac enough to drop out the vacuum advanc...
by 66 Fastback
Thu Aug 26, 2010 1:55 pm
Forum: 144-250 "Small Block" Six Performance
Topic: is there a way to tell if the timing mark has slipped.
Replies: 21
Views: 2406

Re: is there a way to tell if the timing mark has slipped.

I think if it has slipped only a few degrees, you probably are not going to have any drivability/tuning problems that would concern you enough to actually check for the slipped balancer. In reality, you would have to use a piston stop and degree wheel to be able to detect it was off by a few degrees...
by 66 Fastback
Thu Aug 26, 2010 1:40 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Manifold vs Ported Vacuum
Replies: 12
Views: 3232

Re: Manifold vs Ported Vacuum

Makes me wonder if I should hook my DS2 back to manifold vacuum. My only problem when I do that, my initial timing goes up a bit as does my idle RPM. But that is likely then a function of the carb and would allow me to back off my idle mix some. Emissions era distributors can be a poor match on som...
by 66 Fastback
Fri Aug 20, 2010 10:31 am
Forum: 144-250 "Small Block" Six Performance
Topic: Need Help with 170 boat motor!
Replies: 68
Views: 7013

Re: Need Help with 170 boat motor!

My Mustang had a similar lack of power. Is there a possibility that whatever your timing mark reference for TDC is off a bit or not installed correctly? I don't see what I would recognize as a harmonic balancer, but on the cars the outer ring of the balancer with the TDC timing mark can slip. My tim...
by 66 Fastback
Mon Aug 16, 2010 12:05 am
Forum: 144-250 "Small Block" Six Performance
Topic: General Discussion on Heat
Replies: 54
Views: 6720

Re: General Discussion on Heat

When water wetter first came out, I believe it was used with straight water, no glycol antifreeze. Plain water has better thermal efficiency than antifreeze and will lower operating temps. The knock back then was that water wetter did not have cold weather protection and limited corrosion inhibitors...
by 66 Fastback
Mon Aug 09, 2010 1:04 am
Forum: 144-250 "Small Block" Six Performance
Topic: General Discussion on Heat
Replies: 54
Views: 6720

Re: General Discussion on Heat

You sound like an electrical engineer. Petroleum Engineer, so I probably understand fluid flow a bit better than I understand "magical" "invisible" electron flow. I just wish the electrical engineering and thermodynamic courses had made more sense in college. In my career, I hav...
by 66 Fastback
Fri Aug 06, 2010 6:49 pm
Forum: Electrical, Audio, and Electronics
Topic: Should I Get an Alternator?
Replies: 9
Views: 1970

Re: Should I Get an Alternator?

I run a generator on my '58 Harley and '61 Vette. When I bought the Vette 26 yrs ago someone had installed an alternator. But after going through several alternators, batteries and regulators on warranties, I finally bit the bullet and replaced the hacked up wiring harness. The harness had a slow dr...
by 66 Fastback
Fri Aug 06, 2010 6:35 pm
Forum: 144-250 "Small Block" Six Performance
Topic: General Discussion on Heat
Replies: 54
Views: 6720

Re: General Discussion on Heat

Temps don't sound out of line to me. My Pointiac has a stock 192 deg thermostat. With a new aluminum radiator it maintains about 208 deg, about what my 94 Olds has always done. As has been mentioned, check timing and verify the vac advance is functioning correctly. You mention you might have about 3...
by 66 Fastback
Wed Aug 04, 2010 1:24 pm
Forum: 144-250 "Small Block" Six Performance
Topic: I've got two questions
Replies: 9
Views: 1252

Re: I've got two questions

Comparing fuel economy of the engine is not apples to apples. As slade pointed out the old Mustangs weigh less. Ronmaster2 pointed out that he had a 5 speed transmission. The gear ratios of todays cars are much different than 40+ years ago. None of my old cars cruised down the highway at +/-2000 rpm...
by 66 Fastback
Thu Jun 24, 2010 1:17 pm
Forum: Transmission & Drivetrain
Topic: 62 rear end issue
Replies: 1
Views: 441

Re: 62 rear end issue

If the rear end is an 8" or 9", then yes the axles have to come out in order to break down the axle housing. The 8 & 9" rear does not have a cover plate. When you pull it apart, the pinion gear, side bearings and ring gear all come out as a unit. The axles pass thru the middle of ...
by 66 Fastback
Tue Jun 22, 2010 1:50 pm
Forum: Electrical, Audio, and Electronics
Topic: 2 alternators burnt up
Replies: 11
Views: 1994

Re: 2 alternators burnt up

I googled the its a snap wiring and found it is a wire harness kit. Di the alternator fail right after the new harness was installed? or did it function properly with the new harness for some time prior to failing? I would assume the harness requires an alternator with an internal regulator. Do you ...
by 66 Fastback
Wed Jun 16, 2010 1:37 pm
Forum: 144-250 "Small Block" Six Performance
Topic: manifold vac advance or port vac
Replies: 4
Views: 705

Re: manifold vac advance or port vac

The load-a-matic runs off of a combination of manifold and venturi vacuum. The vacuum source directed to the distributor is controlled by the spark control valve (SCV) located on the carburetor. As David mentioned, the manifold vacuum source will have high vacuum at idle and cruise conditions. Howev...
by 66 Fastback
Tue Jun 15, 2010 1:36 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Oil breather cap and Draft tube questions
Replies: 8
Views: 867

Re: Oil breather cap and Draft tube questions

The 61 Vette had a vented breather cap and road draft tube. However, on the high horsepower / high rpm engines they had an issue with oil blowing out of the breather and coating the engine. The factory came out with a bulletin to install non-vented caps on engines if the customer complained about th...
by 66 Fastback
Mon Jun 14, 2010 1:40 am
Forum: Transmission & Drivetrain
Topic: T5 Setup Help
Replies: 19
Views: 2704

Re: T5 Setup Help

As Joe and others said the 4 cyl T-5 will match well with a 2.79 axle. I had a 4 cyl T-5 with a 3.2 rear that needed rebuilding. The 3.2 and 4 cyl T-5 combo made for a short 1st gear. I found an 8" 2.80 rear and recently finished the swap. I am very pleased with the combo. Before, the 3.2 rear ...
by 66 Fastback
Wed Jun 09, 2010 8:14 pm
Forum: 144-250 "Small Block" Six Performance
Topic: Weber Progressive
Replies: 17
Views: 1835

Re: Weber Progressive

In my case rotating the choke adjustment was making it choke the car at temps that it did not need to choke the car and the car was a bit harder to start. The fast openning time is not usually a problem except on those days where it was moist and cool and the engine had not warmed up sufficiently. I...

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