I would be curious to see an "apples to apples" dyno test, with the only variable being the intake.

If budget is a concern, the 553 would work just fine on your F-100 and look just as cool...I've seen the 573's cange hands for north of $350 for a bare manifold (I paid $300 for mine) or $450+ for a manifold with buildable carbs. If you're patient you can probably pick up a 553 for around $150, and piece together a set of 94's pretty reasonably.

Thanks Ted!  this is good to know since I will probably run the 573 intake that I have on my Dragster engine.  The races out at Eagle Field are more about fun and what looks cool so it should add a nice touch.

Wow guys.  I’m impressed.  All I’m needing is the Offy intake without carbs but carb studs would be nice.  A trio of Stromberg 97’s are currently being used and the same carbs will be used on all the manifolds being tested.  My druthers is to return the Offy intake to its owner at the Y-Block Shootout at Columbus but in the event none of you will be there or you need it back sooner than this, then I’ll just ship it back when testing is done.  I look to do the first series of 3X2 tests within the next 2-3 weeks and that will be on the stock headed engine with a mild camshaft.  Testing the intakes again with ported heads is also a possibility.

The Edelbrock 3X2 intake that was on an engine in the shed is indeed a 553 although it’s not numbered on its top.  I’ve already removed the carbs and linkages from it and it cleaned up very nicely.  With the Offy intake throwed into the fray, I can come closer to duplicating the 1971 Popular Hot Rodding Y-Block dyno test and then see exactly how much more power each of two Edelbrock intakes are worth.  The 573 intake on the stock headed and stock compression ratio 312 is already handily outperforming the 1971 Popular Hotrodding Y-Block dyno test so it will be interesting to see how the Offy intake performs.

Jan, Mark, & Dan.  Just let me know who is sending the manifold so I can be looking for it.  Because the three of you so gratiously offered the loan of an intake, be sure all of you forward me your snail mail addresses so I can forward you copies of the dyno sheets with the various 3X2 intakes after testing is complete.  My personal contact info is at  www.eatonbalancing.com  .

But this brings up another item I need.  I can use another couple pair of #48 jets for the Strombergs.  Anyone have these laying loose?  The carbs are currently jetted 48’s in the center and 45’s on the ends and since switching to the EMC headers, the fuel mixture at full throttle is running on the lean side.  Engine was running pig rich with #50 jets in all carbs with the now removed Red’s headers.

Ted, i can send you 6 #48 jets on monday, they are used but should do the job, let me know if you still can use them, Thank you, regards bill.

Bill.  Just send four of the #48’s.  I already have two.

Special thanks to everyone that’s sending parts for testing.

I’ve had someone else call and they have the Weiand 3X2 intake and it’s being shipped also.  What started out as simply testing a 573 intake with Strombergs on the mule motor is going to turn into a full fledged 3X2 test.  Anyone got a Fenton 3X2 sitting on the shelf?  This is a good opportunity to test as many of the 3X2 intakes as possible and get those results public.

Hey Ted,

I believe Dick York may have a Fenton on the shelf, and last time I talked to him he had a large port Weiand...one thing worthy of note, I am almost certain that Offy, Weiand, and Fenton offered the large/small port versions of their manifolds just like the 553/573...may be wrong but I recall seeing both versions of a Fenton.

Charlie and others suggesting wanting to see all the manifolds together, try this search in google ;timmys y block page and go to intakes!, tim hasnt added any for long while but has great picture collection and small description of the intakes, some of jerry C.s early ones are there also. regards bill.

http://m571.com/yblock/intake.htm  (this is the link)

I have an Edmunds 3 x 2 I will send you also for the testing, its on my 55 vicky w/original 272 at the moment but I plan on bringing that car in this weekend as it is getting the new 301 Y. It appears to be small port compared to other manifolds I have but looks to have lots of meat for porting. It is in the pictures on Timmys page, I don't know if Edmunds made large and small port or not.

I sent you an email, is the shipping address the same as in your advertisements in the Y block Magazine? I brought the car in yesterday, will be removing the manifold this morning and shipping first thing Monday morning.

Billy.  My shipping address is the same as what you see in the YBM.  You can find my other contact info at  www.eatonbalancing.com  .  Will you need the intake back as soon as testing is complete or is bringing it back to Columbus during the Y-Block Shootout okay?  Thanks again.

Jim.  Thanks for loan of the intake.  I’ll be on the lookout for it.

I don't want to complicate things.But what would really be cool, once the best manifold is found.  Run a test on a set of each of the following carbs.

1.  original 97

2.  Speedway motor's, "super 97" 

3.  Barry Grant's Demon 98.

    Just a thought.

Would be interesting comparison,! but ultimatly the high cost of these new ones will rule them out for most! x 3.

A carburetor test would be nice but like Bill says, a test of this nature would be expensive unless there were people out there with the various carb combinations that would be willing to loan them for testing.  A carburetor test should be performed on a single manifold and ideally on the best overall manifold so that differences in carb performances can be more accurately evaluated.  Setting up all the required carb linkages would be a task in itself.

I ran my carbs together without progressive linkage, Maybe you do do a test of this nature, with progressive linkage and without.

This is exactly what I was referring to.  I understand how time consuming this would be.  You will have a good deal of time invested in just the manifold test.  Still it would be interesting to see how the various carbs stacked up against each other on a common manifold known to be good.  May be another time.

"Anything worth having is worth working for"