27T Boss 572 - Page 2 - 460 Ford Forum
Jon Kaase Racing Engines Jon Kaase is considered one of the best minds in the world of Big Block Fords and has created many parts to help enthusiasts with their 460 based projects. Gentlemen start your questions…
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post #16 of 79 (permalink) Old 08-12-2010, 03:58 PM
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Thats a nice piece. I've a soft spot for these cars dont know why I havent built one yet.

On the trans you may want to try a t400 with a 2.10 first gear. Reasonable hit on launch less rpm drop on the shifts and pretty much bullet proof.
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post #17 of 79 (permalink) Old 08-12-2010, 09:05 PM Thread Starter
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Got The Heads Back-Photos

Got the heads back today , and attached are a few photos.

Ended up with a reasonable gain across the board , 6% to 12% in the .400 to .800 range. The flow figures are in txt form because the file size was too large , but first figures( base) are heads without manifold as cast, second are with as cast manifold and heads with fill in port , and Mod 3 is after porting with manifold on and all at 25" , and the second figures are at 28" , nothing to write home about ( specially with the flows that some are getting out of them ) but it is not a max effort deal yet. Mod2 and Mod3 flow figures are with manifold bolted to head when on the bench. The % gain is between Mod2 and Mod3 , not the Base and Mod3. The manifold may not look much but it does work rather well.

0.100 to 0.800 total flows at 28" with the manifold bolted on are I= 2393cfm and E= 2175cfm. Ave balance 90% I to E.

It is still going to make a bunch of power.

John


Bruce,

we are going to see how violent it launches with the C6 at 2.46 first gear . If I cant tune the suspension to handle it on the hit , we will try taking a few degress out of it in first or fattening it up with a solinoid operated pill.

We are building a C4 to play with also , see if we can get it to live , and get a new 2.20 first gear cut.

If all this fails , I will join everyone else and throw a PG in it.

John
Attached Images
File Type: jpg Chamberssm.jpg (24.2 KB, 276 views)
File Type: jpg Exhaustsm.jpg (18.7 KB, 260 views)
File Type: jpg Intakesm.jpg (13.7 KB, 285 views)
File Type: jpg Manilfoldplenumsm.jpg (22.4 KB, 250 views)
Attached Files
File Type: txt Boss9FlowJohn.txt (5.7 KB, 84 views)

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.

Last edited by WDR460; 08-13-2010 at 05:00 AM. Reason: More info
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post #18 of 79 (permalink) Old 08-13-2010, 04:43 AM Thread Starter
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More Head Photos

A couple more photos.

PS ; The heads sound great on the bench
Attached Images
File Type: jpg Chambersm.jpg (20.4 KB, 198 views)
File Type: jpg Manifoldportsm.jpg (14.8 KB, 206 views)

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.

Last edited by WDR460; 08-13-2010 at 05:01 AM.
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post #19 of 79 (permalink) Old 10-04-2010, 11:49 PM Thread Starter
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Smile Update

Just a quick update .

Springs and Ti retainers are here , gone with Manley Nextek 221456-16 , a compact 1.5 dia and will give me 450lbs on the seat for that heavy intake valve. I decided to make this engine spin safely to 8500rpm , may need to rev it up to show its full potential.

Block had to be clearanced again for the Z-Bar lifters as they fouled against the block on the cylinder wall side.

Getting ready for final mock up, build the sump , fit pumps etc, and then final hone and assembly.

I do hope this thing will make good power , as a chebbie competitor in the same class as me ( Modified Altered ) just went 950hp with his 572 on the same dyno I am going to.

Fingers crossed, John.

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.
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post #20 of 79 (permalink) Old 11-13-2010, 04:05 AM Thread Starter
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Update with photos

Well we have been hard at work , clearanced the block and now to the bolt on's.

New two piece sup has been made , rocker covers milled and a light polish , starting on remount of the oil pump , fuel pump , and alternator to suit the short snout crank.

Then its a on the mill again to make up a new drive mandrel.

In the background of one of the engine photo's you will notice another Hemi , the Mopar type , with a new intake to suit 24 injectors for a twin turbo 526ci set for ProStreet duties.
Attached Images
File Type: jpg Engine2.JPG (28.5 KB, 236 views)
File Type: jpg Engine1.JPG (27.1 KB, 237 views)
File Type: jpg BossCovers.JPG (26.5 KB, 252 views)
File Type: jpg Boss9valley.JPG (27.0 KB, 259 views)

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.
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post #21 of 79 (permalink) Old 11-13-2010, 04:07 AM Thread Starter
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A couple more photos
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File Type: jpg 2piecesump.JPG (23.2 KB, 199 views)
File Type: jpg 2piecesump2.JPG (27.6 KB, 216 views)
File Type: jpg Boss9heads.JPG (26.9 KB, 225 views)

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.
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post #22 of 79 (permalink) Old 11-13-2010, 05:37 AM
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just awsome. good look.
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post #23 of 79 (permalink) Old 11-14-2010, 08:05 PM
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That thing looks amazing and I think the coolest part is that your gonna use it for competition and not just a show car.
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post #24 of 79 (permalink) Old 11-15-2010, 07:46 PM Thread Starter
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Thanks Guys ,

the bracket I race in is dial-your-own , so I can pretty much run what I brung.

I had the option of going max effort race with a small block or big block , but decided to stay True To The Blue , and put something on the track that no-one here in WA has seen before ( You reckon Boss engines are few and far between over there , I had never seen one in the flesh until my parts arrived from Kaase , and I have been in drag racing for over 25years now).

This engine combo , race internals with traditional look , will turn heads. It is innovative in many ways , as you cant buy any of the stuff for this engine in boxes . It is one Sh*% load of custom machining and fabrication.

Its going to look the part , now we just need it to make good power 7500RPM - 8000RPM and it will be a low 7 or possibly even a high 6 race car , naturally aspirated.

Fingers crossed.

John

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.
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post #25 of 79 (permalink) Old 11-23-2010, 04:39 AM Thread Starter
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Hmmm , Does my engine look big in this?

Hi All,

mock up in the chassis. The Boss engine is Biggggggg!!!!
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File Type: jpg R0011287.jpg (95.1 KB, 227 views)

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.
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post #26 of 79 (permalink) Old 11-23-2010, 04:46 AM Thread Starter
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Does My Engine look big in this??????

Couple more photo's. Should make any true Ford mans heart flutter. I love it!!!

Advice please , Zoomie's or Headers?
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File Type: jpg Enginechassis1small.JPG (31.2 KB, 211 views)
File Type: jpg Enginechassis2small.JPG (24.6 KB, 199 views)

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.

Last edited by WDR460; 11-23-2010 at 05:48 AM.
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post #27 of 79 (permalink) Old 11-26-2010, 02:19 PM
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Quote:
Originally Posted by WDR460 View Post
Hi All,

mock up in the chassis. The Boss engine is Biggggggg!!!!
Thats just too cool look'n!
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post #28 of 79 (permalink) Old 11-26-2010, 02:45 PM
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OH, someone get me a bib and a diaper!!! lol As far as exhaust goes, a tuned header will be better matched to a NA set up, more low end torque.....Zoomies, on the other hand, give you that over the top, Altered/Fuel car look. Since you're running a dial of your own choice, as I am in my Rail (and I might just go with a zoomie for my NA motor....just for the look), being down a few horses down low might be acceptable. As a matter of fact, since you're going to be running a three speed, you should be getting quick revs (where a short tube zoomie would work) right out of the hole any way.....Just my 2 cents worth.
Rob

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post #29 of 79 (permalink) Old 11-28-2010, 05:59 PM Thread Starter
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Thanks Rob,

it is food for thought. One of our concerns is too much down low with a 2.46 first gear . We were thinking of taking timing out in first gear if we could not control it. I am not adverse to loosing a bit of bottom end for a free-er reving top end.

John

27T JPP Speedster, 545 BBF , 8.00@165.74mph. 572ci Boss 9 In The Wings.
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post #30 of 79 (permalink) Old 11-28-2010, 06:11 PM
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Well then, maybe a set of the longer Funny Car zoomies then, to get by your running boards.
Rob

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