07-06-2021, 01:13 PM | #1 |
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Isky ldb
I'm looking for a timing tag for an ISKY LDB on a 59a style cam Has approximately .290 lift
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07-06-2021, 01:49 PM | #2 |
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Re: Isky ldb
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07-06-2021, 02:09 PM | #3 |
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Re: Isky ldb
Could be for an Ardun.
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07-06-2021, 02:34 PM | #4 |
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Re: Isky ldb
could be a "60" hp
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07-06-2021, 02:38 PM | #5 |
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Re: Isky ldb
Sides of bearing journal & lobe almost look like finish of a steel cam.
Bolt on gear makes it not a 60 unless had custom cam & gear but poster states it’s 59Ab Last edited by KiWinUS; 07-06-2021 at 03:11 PM. |
07-06-2021, 05:19 PM | #6 |
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Re: Isky ldb
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07-06-2021, 08:56 PM | #7 | |
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Re: Isky ldb
Quote:
In 26/65 Ex 65/26 Cam lift .285 In cl .018 Ex cl .018 Isky adapted the grind to many different engines. The reason it worked so well was the fairly high lift velocity. It made a lot of power at the mid to top end and would turn 8500 in the 270 Dodge hemi I had one in for road racing. The pictured example is very likely for an Ardun conversion. |
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07-06-2021, 09:49 PM | #8 |
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Re: Isky ldb
Does an Ardun conversion have push rods and rocker arms ? If so, that would explain the low cam lift since the rockers were probably around a 1.5:1 ratio.
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07-07-2021, 12:14 AM | #9 |
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Re: Isky ldb
Original Ardun rocker arm ratio is only 1.2:1.
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07-07-2021, 09:18 AM | #10 |
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Re: Isky ldb
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07-07-2021, 09:31 AM | #11 |
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Re: Isky ldb
To put that in perspective, a stock Ford cam has a lift of .307, while the Isky MAX-1 has a .364 lift. This may not be a direct comparison, because we don't know how the lifts on the respective cams were measured.
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07-07-2021, 09:36 AM | #12 | |
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Re: Isky ldb
Quote:
Curious at what lift does the clearance issue come into play. |
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07-07-2021, 12:03 PM | #13 | |
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Re: Isky ldb
Quote:
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07-07-2021, 12:16 PM | #14 |
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Re: Isky ldb
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