kaase 598 - 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 #1 of 10 (permalink) Old 04-23-2013, 11:17 AM Thread Starter
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kaase 598

Please delete these. Thanks.

1972 maverick 3200lbs street car. Steel and glass.
Jon kaase 598. 8.57@ 160

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post #2 of 10 (permalink) Old 07-09-2013, 11:31 AM Thread Starter
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Well she is done and in. It made 1053 hp at 6900 rpm.
A460 ported heads and intake by Kasse.

1972 maverick 3200lbs street car. Steel and glass.
Jon kaase 598. 8.57@ 160
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post #3 of 10 (permalink) Old 07-09-2013, 07:18 PM
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Wow good job! How much compression and cam?
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post #4 of 10 (permalink) Old 07-15-2013, 01:15 PM Thread Starter
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CR 15.1...8?? Can't say. Revs up like a small block though.

1972 maverick 3200lbs street car. Steel and glass.
Jon kaase 598. 8.57@ 160

Last edited by 557MAV; 07-15-2013 at 01:34 PM.
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post #5 of 10 (permalink) Old 07-24-2013, 09:44 AM Thread Starter
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Lightweight Scat crank, grp aluminum rods, 18 bolt trick flow A460, svo a460 block, billit titan oil pump,Jeff Johnson fab pan,comp cam,crower lifters, diamond pistons, 2,400 intake 1.88 exh valves,trick flow rocker arms,jomar stud girdle, (Mach development 1150 carb)Bud yancer at yancer chassis in Arizona. She sounded real good and very responsive.

1972 maverick 3200lbs street car. Steel and glass.
Jon kaase 598. 8.57@ 160
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post #6 of 10 (permalink) Old 07-24-2013, 09:26 PM
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Congrats on the new power plant! Sounds like an awesome build. Now lets see some vids of it running-A
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post #7 of 10 (permalink) Old 10-05-2013, 04:05 AM Thread Starter
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Maybe this weekend. loss of interest due to issues. For those that upgrade from a 10 bolt A460 tfs to a 18 bolt head. Don't use the 10 bolt studs. To short, 1/8 inch on poly lock side and 1/2 short on cyl head end for the exh side stud causing improper fitment of girdle. Binding and side loading.18 bolt studs on the poly lock side of stud has about a 1/4 inch more threads towards the base also.. Simple fix use 18 bolt stud kit and a lil massaging on exh side of stud girdle edges to sit in its happy spot .
Broke 1 on fire up losing rocker arm and pushrod. When pulling girdles off and inspecting for other damage. another was broke but pushrod and rocker were unharmed, the girdle did its job.. Bye the trick flow stud kit. Cheaper than bying 2 sets of diff lenght studs from arp. Trickflow studs are and say arp on them.

1972 maverick 3200lbs street car. Steel and glass.
Jon kaase 598. 8.57@ 160

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post #8 of 10 (permalink) Old 10-05-2013, 05:05 PM Thread Starter
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Not all may have this issue. This is just a situation I ran into on mine. The stud pedestals were machined down on my heads.

1972 maverick 3200lbs street car. Steel and glass.
Jon kaase 598. 8.57@ 160

Last edited by 557MAV; 10-05-2013 at 05:12 PM.
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post #9 of 10 (permalink) Old 10-06-2013, 08:19 PM
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I used the ARP stud kit 235-7202 if my memory is close . Longer base thread for the exhausts. I used a jomar girdle and jomar nuts. Sorry to hear you broke some stuff. It was OK on the dyno?
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post #10 of 10 (permalink) Old 10-06-2013, 10:07 PM Thread Starter
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Yup jomar girdle here to. Wasn't inspected after dyno.

Ran 8.80@156 mph black trackin about 30 ft. 5200 on the brake and 7200 through the lights. A few tenths slower than expected. My unported box stock 557 ran 9.15@147. It made 3 hits today and didn't get towed back once. Its an improvement from first time out.

1972 maverick 3200lbs street car. Steel and glass.
Jon kaase 598. 8.57@ 160
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