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Search: Posts Made By: scicala
Forum: Early V8 (1932-53) Today, 12:24 PM
Replies: 19
Views: 359
Posted By scicala
Re: Float gauge for Holly 1901 carb

I didn't realize you were at that high of an altitude. You may have to reduce the main jet as much as about 4 or 5 sizes because of the thin air. A trial an error thing. One advantage of modern EFI...
Forum: Early V8 (1932-53) Yesterday, 05:24 PM
Replies: 19
Views: 359
Posted By scicala
Re: Float gauge for Holly 1901 carb

If the engine is actually running rich (spark plugs getting darker), then some possibilities are fuel level too high, economizer diaphragm pinched or leaking (causing power valve to be opened...
Forum: Early V8 (1932-53) Yesterday, 12:30 PM
Replies: 19
Views: 359
Posted By scicala
Re: Float gauge for Holly 1901 carb

Merc Cruzer,


Other than a good inspection of everything and all of the passages/channels, just make sure the economizer diaphragm doesn't get pinched when installing. I find it easier to...
Forum: Early V8 (1932-53) 11-18-2019, 06:01 PM
Replies: 19
Views: 359
Posted By scicala
Re: Float gauge for Holly 1901 carb

I have been rebuilding this style of carb since around 1967. Both 2 barrel and 4 barrel and have always just set the float level to spec and never worried about the exact fuel level in the bowl....
Forum: Early V8 (1932-53) 11-17-2019, 08:20 PM
Replies: 19
Views: 359
Posted By scicala
Re: Float gauge for Holly 1901 carb

I guess all of the replies answered your question.


"Yes, indeed correct.
Sorry for any confusion caused by my use of the word "float" instead of
'fuel'."
51 MERC-CT, no problem. I just...
Forum: Late V8 (1954+) 11-17-2019, 01:57 PM
Replies: 7
Views: 232
Posted By scicala
Re: 57 hardtop

It's hard to distinguish which Y-Block is in a '57 Ford (if it's a V8). If it has a two barrel carb, chances are it's a 272 or 292 Y-Block. If a 4 barrel carb, more than likely a 312 Y-Block. 292 and...
Forum: Early V8 (1932-53) 11-16-2019, 06:05 PM
Replies: 19
Views: 359
Posted By scicala
Re: Float gauge for Holly 1901 carb

The float level for a 1901 model Holley ('52 and '53 Merc.) is 5/32" measured at the top toe of the float with the float all the way up. 1/2" is what the actual FUEL level is supposed to be with the...
Forum: Late V8 (1954+) 11-16-2019, 10:51 AM
Replies: 24
Views: 393
Posted By scicala
Re: 1955 ford with 2 barrel ford carb

"I described the ID incorrectly on this carb (have H4000 on my mind for some reason). I believe it (2100DD) came through with a separate ID TAG.

Sal should be able to clarify."


I'm pretty...
Forum: Late V8 (1954+) 11-15-2019, 05:54 PM
Replies: 68
Views: 853
Posted By scicala
Re: y-block blow by..

Has the engine been having this issue ever since you installed the PCV system, or did it start later on it's own ? Even after a fresh rebuild things can happen to cause more blow by.


Sal
Forum: Late V8 (1954+) 11-15-2019, 03:25 PM
Replies: 9
Views: 224
Posted By scicala
Re: holly 4 barrel carb linkage

If you get a bell crank from a '55 or '56 four barrel Y-Block V8, it will bolt on and you will have to figure out the correct length for the kick down rod. I've seen bell cranks on EBAY before. An...
Forum: Late V8 (1954+) 11-15-2019, 03:17 PM
Replies: 24
Views: 393
Posted By scicala
Re: 1955 ford with 2 barrel ford carb

It doesn't matter 6 cyl. or 8 cyl. for a PCV valve donor. Do like Alaska Jim said. Match the cubic inches close with your engine. One for a Ford 289 V8 would be a good fit too.
If your carb has a...
Forum: Late V8 (1954+) 11-15-2019, 11:15 AM
Replies: 24
Views: 393
Posted By scicala
Re: 1955 ford with 2 barrel ford carb

If it's the original type carb on your '55, then it's a Holley/Ford 2100 carb. It should be marked 1 1/16 on the back side about halfway up. That's the venturi size (1 1/16").
Guessing it flows...
Forum: Late V8 (1954+) 11-14-2019, 05:39 PM
Replies: 9
Views: 224
Posted By scicala
Re: holly 4 barrel carb linkage

What I said above only applies if your original bell crank is for a 4 barrel engine.
Two barrel engines had the linkage on the back of the intake. Mummert's intake won't have anything to mount it...
Forum: Late V8 (1954+) 11-14-2019, 05:32 PM
Replies: 9
Views: 224
Posted By scicala
Re: holly 4 barrel carb linkage

Why can't you just use the original throttle bell crank and put it on the Mummert intake ? That intake has a provision for the original bell crank to mount. Then see if the bell crank is higher or...
Forum: Early V8 (1932-53) 11-05-2019, 05:45 PM
Replies: 9
Views: 590
Posted By scicala
Re: Carburetor Issues - School me

Good job 41Joe. Thanks for posting the results.


Sal
Forum: Early V8 (1932-53) 10-29-2019, 04:43 PM
Replies: 28
Views: 1,078
Posted By scicala
Re: Carbon build up inside intake bores?

Did you change camshafts recently ? If it has a cam with a lot of overlap (intake and exhaust valves opened at the same time), then it's possible to have reversion in the intake which is backwards...
Forum: Late V8 (1954+) 10-29-2019, 10:24 AM
Replies: 39
Views: 1,061
Posted By scicala
Re: 55 272 Distributor

According to the chart that KULTULZ supplied, the 7RA vacuum canister is for a flathead V8 and 6 cylinders from '49 to '53, so don't think that will work.


Sal
Forum: Early V8 (1932-53) 10-26-2019, 10:12 PM
Replies: 37
Views: 1,791
Posted By scicala
Re: Who has one of these?

That style engine cart is the type they used at the Ford Engineering dynamometer lab in Dearborn. Makes total sense that the engine is a pre-production '32 prototype that never made it to production....
Forum: Early V8 (1932-53) 10-26-2019, 10:02 PM
Replies: 15
Views: 392
Posted By scicala
Re: 50 Car Differential Question

I agree. the question was what is the rear axle style or type called in his car, to help him get parts to repair. Sorry, I can't answer that question. I think it was the same type from '49 through...
Forum: Late V8 (1954+) 10-26-2019, 02:18 PM
Replies: 13
Views: 412
Posted By scicala
Re: Shop Manual

Thank you KULTULZ,


Sal
Forum: Late V8 (1954+) 10-25-2019, 04:17 PM
Replies: 13
Views: 412
Posted By scicala
Re: Shop Manual

KULTULZ,


Is the '56 Mercury 256 a small cam or large cam bearing engine ?


From the above you posted, I'm not sure if you meant small or large cam bearings.


Thanks, Sal
Forum: Late V8 (1954+) 10-25-2019, 10:52 AM
Replies: 29
Views: 1,351
Posted By scicala
Re: 1960 wagon west

"




Good deal !


Sal
Forum: Early V8 (1932-53) 10-24-2019, 05:24 PM
Replies: 23
Views: 937
Posted By scicala
Re: Before and After

Now that's rare in any country ! A '42 Sedan Delivery.


Sal
Forum: Late V8 (1954+) 10-24-2019, 10:26 AM
Replies: 11
Views: 435
Posted By scicala
Re: weird hesitation

The AVS has no power valve to speak of. pretty sure it uses metering rods controlled by manifold vacuum.


Sal
Forum: Late V8 (1954+) 10-24-2019, 10:24 AM
Replies: 11
Views: 435
Posted By scicala
Re: weird hesitation

If the ignition is in good shape and advancing properly, and if it's not an issue like accel pump shot from the carb, then I guess it's possible the air valve over the secondaries has the spring set...
Showing results 1 to 25 of 500

 
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