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Old 10-13-2020, 02:58 PM   #21
55blacktie
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Default Re: Help Quick Fuel SL450SV & Y Block 292

American Y-block 2-barrel intake manifolds have a 3-bolt carburetor pattern. Unless your 2-barrel manifold has four bolts, the Mr. Gasket adapter won't fit.

As far as modifying your 2-barrel manifold to 4-barrel is concerned, anything is possible, given that you can find a machinist with the skills to do it, and you are willing to pay the price. In my opinion, it would not be worth the investment.
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Old 10-13-2020, 03:22 PM   #22
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Default Re: Help Quick Fuel SL450SV & Y Block 292

Quote:
Originally Posted by 55blacktie View Post
American Y-block 2-barrel intake manifolds have a 3-bolt carburetor pattern. Unless your 2-barrel manifold has four bolts, the Mr. Gasket adapter won't fit.

As far as modifying your 2-barrel manifold to 4-barrel is concerned, anything is possible, given that you can find a machinist with the skills to do it, and you are willing to pay the price. In my opinion, it would not be worth the investment.
Not sure which 2 barrel intake manifold Eledu may have [I have a 1982 f100 (Argentina) with a Ford V8 292 Phase 2 engine - The original intake is 2bbl]
but starting in '57 the North American Y-block engines went to a 4 bolt pattern on the intake for the base of a 2bbl carburetor ( '57 ECG-H example below) and assuming the newer Phase 2 engines may have done the same?
.
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File Type: jpg '57 2 bbl, ECG-H.jpg (116.1 KB, 4 views)

Last edited by dmsfrr; 10-13-2020 at 07:48 PM.
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Old 10-13-2020, 04:35 PM   #23
KULTULZ
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Post Re: Help Quick Fuel SL450SV & Y Block 292

The PHASE II cylinder heads are unique to that engine.





What I don't understand is why a single-plane 4V intake would be produced and not a 4V dual-plane for street.
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Last edited by KULTULZ; 10-13-2020 at 05:05 PM. Reason: ADD PHOTO
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Old 10-13-2020, 05:10 PM   #24
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Default Re: Help Quick Fuel SL450SV & Y Block 292

Exactly.
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Old 10-13-2020, 05:19 PM   #25
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Post Re: Help Quick Fuel SL450SV & Y Block 292

If you have the PHASE II engine, the OEM 2V intake should be 4-bolt plenum. Below is shown with a 2300 HOLLEY -

If true, the 4V to 2V adapter should work. That would at least make it street-able.
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File Type: jpg FYB - ARGENTINE PHASE II 2V Intake _1.jpg (85.8 KB, 18 views)
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Old 10-22-2020, 12:09 PM   #26
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Default Re: Help Quick Fuel SL450SV & Y Block 292

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Dear, I got my original intake machined, it will look similar to this photo that I attach, only that I asked you to extend the partition to the top in the template. As soon as I have it, I will tell you how it went. Greetings!
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File Type: jpg adm.jpg (23.1 KB, 54 views)
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Old 10-24-2020, 09:33 AM   #27
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Thumbs up Re: Help Quick Fuel SL450SV & Y Block 292

Quote:
Originally Posted by Eledu View Post

I got my original intake machined, it will look similar to this photo that I attach, only that I asked you to extend the partition to the top in the template. As soon as I have it, I will tell you how it went. Greetings!
Please keep the board informed.
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Old 11-22-2020, 09:18 PM   #28
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Default Re: Help Quick Fuel SL450SV & Y Block 292

Quote:
Originally Posted by KULTULZ View Post
Please keep the board informed.
Dear, today I finally installed the original intake modified to 4bbl. It works perfect! the opening of the secondaries can be regulated very well! I just need to add one more spring to the throttle..
because it has happened to me that being in wot with the secondaries open that when releasing the throttle, it remained a second fully when releasing ... as my spring could not overcome the vacuum of the lung when decelerating! What a scare! I attach images:

drive.google.com/file/d/1fyWRi6R4OXtxauzLRu-BGpsb5dHWqtK_/view?usp=sharing
drive.google.com/file/d/1fu49GqZG9OqW58O6gGt78DBwhbE3zImt/view?usp=sharing
drive.google.com/file/d/1ftCWN-GNTpSeiGb_wXwinWHgthzCTSK9/view?usp=sharing
Cheers!
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Old 11-22-2020, 10:09 PM   #29
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Default Re: Help Quick Fuel SL450SV & Y Block 292

I have heard of the throttle staying open on vacumn secondary carbs, but never had it happen. I also heard the problem is with the assembly, not the throttle return spring. Perhaps Sal or someone who knows will chime in on that issue.

Yes, stuck throttles are really a scare.
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Old 11-23-2020, 04:04 PM   #30
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Post Re: Help Quick Fuel SL450SV & Y Block 292

Do you mean the carb primary throttle plates did not return/close because of a weak return spring or the secondary throttle plates hung open?

Make sure there is no linkage binding, you have the correct sized spacer/gaskets and that the throttle plates are not hanging in the throttle bore on either carb and spacer/gasket.
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Old 11-23-2020, 04:57 PM   #31
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Default Re: Help Quick Fuel SL450SV & Y Block 292

On a Holley there's a linkage to close the secondaries when the primaries close. It's the little wire thing that connects the primaries to the secondaries. Must be connected or the secondaries can stay open, even with the primaries closed. Had it happen before.
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Old 11-23-2020, 06:04 PM   #32
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Default Re: Help Quick Fuel SL450SV & Y Block 292

What estout81 said is what I was thinking too. Also make sure the return spring on the primary throttle is hooked up at a good angle and enough tension.

Sal
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Old 11-23-2020, 06:18 PM   #33
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Default Re: Help Quick Fuel SL450SV & Y Block 292

I tell you that when it locks, the pedal remains fully .. consequently the primaries are also open .. it is as if it were a delay of one second.
I am using a single spring, it can be seen in the photos ... and the connecting rod to the secondaries is connected.
Check the base of the intake since it is filed so that they do not touch primaries and secondaries (photos)... it does not seem to touch anywhere when moved. It's weird .. I'll add the second spring and we'll see what happens.
Cheers!
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Old 11-24-2020, 12:03 AM   #34
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Default Re: Help Quick Fuel SL450SV & Y Block 292

If a spring doesn't fix it.

I had an experience on car where I changed the carb and manifold. I adjusted the throttle linkage and it all worked fine. But under full throttle the engine torque was enough to bind up the linkage. Only happened when driving, took a while to find. I found a way to fix it by shortening a link. Long shot.
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Old 11-24-2020, 07:34 AM   #35
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Default Re: Help Quick Fuel SL450SV & Y Block 292

Read This - https://www.stang65.com/holley-throt...llation-guide/
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Old 11-24-2020, 07:43 AM   #36
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Question Re: Help Quick Fuel SL450SV & Y Block 292

Quote:
Originally Posted by Eledu View Post

I got my original intake machined, it will look similar to this photo that I attach, only that I asked you to extend the partition to the top in the template. As soon as I have it, I will tell you how it went. Greetings!



If somehow, the machinist was able to extend the plenum divider into the carb spacer, make sure the throttle shaft blades do not hit it in any way.

Can you show a photo of the spacer as installed and throttle linkage (rod or cable)?
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Old 11-24-2020, 11:47 AM   #37
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Default Re: Help Quick Fuel SL450SV & Y Block 292

Never heard of a phase 2. Learn something new everyday. Exhaust header spacing threw me off.
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Old 11-24-2020, 06:02 PM   #38
KULTULZ
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Post Re: Help Quick Fuel SL450SV & Y Block 292

Quote:
Never heard of a phase 2
Argentina only. Brazil kept our design.
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"LAUGHTER IS THE BEST MEDICINE"

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One Doesn't Have Acute Diarrhea ...

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Last edited by KULTULZ; 11-24-2020 at 07:53 PM. Reason: CORRECT SPELLING
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Old 11-24-2020, 07:28 PM   #39
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Default Re: Help Quick Fuel SL450SV & Y Block 292

Boys .. problem solved! Just adding the spring worked perfectly!
A thank you to all of you, without your recommendations I would never have tried to change the original admission to 4 bbl.
Thanks a lot!
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File Type: jpg WhatsApp Image 2020-11-24 at 9.12.42 PM.jpg (71.1 KB, 9 views)
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Old 11-24-2020, 07:41 PM   #40
Eledu
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Default Re: Help Quick Fuel SL450SV & Y Block 292

Quote:
Originally Posted by 56sedandelivery View Post
Never heard of a phase 2. Learn something new everyday. Exhaust header spacing threw me off.
Dear, on this page you can see the differences with the American Y block.
http://fordv8argentina.com.ar/diferenciasentref1f2.htm
Cheers!

Last edited by Eledu; 11-24-2020 at 07:55 PM.
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