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OE Big Block valve lock/retainer taper, 7° or 8° ? Jump to page : 1 Now viewing page 1 [50 messages per page] | View previous thread :: View next thread |
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1960fury |
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Expert 5K+ Posts: 7529 Location: northern germany | Does somebody know? It's kinda hard to measure. Looks like 7° but I'm not sure. Edited by 1960fury 2023-08-01 6:23 PM | ||
mstrug |
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Expert 5K+ Posts: 6571 Location: Newark, Texas (Fort Worth) | https://www.ebay.com/itm/125820105899?epid=251112243&hash=item1d4b76... nc%3AAQAIAAABAIB6VD0sTLwGm30fwgBYy0gR1o74ez2C584r%2BjF5jI5Z2kZVwVR8HcdEkGfQB9fHjUuPSOe8QjW5LaUnSkD05nZCdHXNlqjAyS6DM2wW%2FNgM%2FR7UaEoDXc6KmJxagk2ofi% nZCdHXNlqjAyS6DM2wW%2FNgM%2FR7UaEoDXc6KmJxagk2ofi%2BPn3kekUA1QS%2BuQdu1DgRy3aIl8mfYY7gnIbCCYIgPLFus%2BRmSglKmY4J4hCAyWZOOkGCliVTw5Agj3N6Ftmszw9lgtHoj5 2BRmSglKmY4J4hCAyWZOOkGCliVTw5Agj3N6Ftmszw9lgtHoj52vgB98r7M7gkbhljiJX%2BBY%2B9pPiWx2k40qZHL5jH8WdGfKohOHwgGrEgBVWjGhLYxO1LCGqXBaSsBRnwM58De3u6QBdvpRXp ohOHwgGrEgBVWjGhLYxO1LCGqXBaSsBRnwM58De3u6QBdvpRXpmPYKda9p%2Bp7csxTS5acjtw%3D%7Ctkp%3ABk9SR7Csz7m2Yg 7' Isky Racing Cams VL38 Chrome Moly Split 7 Degree Valve Lock Category: Engine > Valve Train Components > Engine Valve Spring Retainer Keeper Description: Chrome Moly Split 7 Degree Valve Lock Notes: 3/8 in. Stem; Chevy 396-454 V8/Chrysler B 383 And 440/Chrysler A Engines; Ford 332-428 V-8; Set of 32 https://www.ebay.com/itm/175843596491?hash=item28f11858cb:g:xm8AAOSw... https://www.ebay.com/itm/325072921528?hash=item4bafdb23b8:g:vywAAOSw... https://iskycams.com/shop/index.php?main_page=product_info&products_... https://www.ebay.com/itm/125820105899?epid=251112243&hash=item1d4b76... nc%3AAQAIAAABAIB6VD0sTLwGm30fwgBYy0gR1o74ez2C584r%2BjF5jI5Z2kZVwVR8HcdEkGfQB9fHjUuPSOe8QjW5LaUnSkD05nZCdHXNlqjAyS6DM2wW%2FNgM%2FR7UaEoDXc6KmJxagk2ofi% nZCdHXNlqjAyS6DM2wW%2FNgM%2FR7UaEoDXc6KmJxagk2ofi%2BPn3kekUA1QS%2BuQdu1DgRy3aIl8mfYY7gnIbCCYIgPLFus%2BRmSglKmY4J4hCAyWZOOkGCliVTw5Agj3N6Ftmszw9lgtHoj5 2BRmSglKmY4J4hCAyWZOOkGCliVTw5Agj3N6Ftmszw9lgtHoj52vgB98r7M7gkbhljiJX%2BBY%2B9pPiWx2k40qZHL5jH8WdGfKohOHwgGrEgBVWjGhLYxO1LCGqXBaSsBRnwM58De3u6QBdvpRXp ohOHwgGrEgBVWjGhLYxO1LCGqXBaSsBRnwM58De3u6QBdvpRXpmPYKda9p%2Bp7csxTS5acjtw%3D%7Ctkp%3ABk9SR7Csz7m2Yg Edited by mstrug 2023-08-01 8:32 PM | ||
1960fury |
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Expert 5K+ Posts: 7529 Location: northern germany | Yes, thank you. I'm aware that 7° valve locks are available. Still need to know the OE lock angle. My Mopar Performance catalog only lists 8° or 10° degree locks. The 8° I guess is for stock retainers? Or is both 7 and 8 actually the same? | ||
1960fury |
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Expert 5K+ Posts: 7529 Location: northern germany | OK, got into that and there is no mistake, unbelievable but true, OE is more like 8° and all the replacement stuff you can buy "to fit our cars" are about 7°. Now I know, why MOPAR Performance only talks about 8° Locks and retainers! Bought a set of quality locks for Mopar Big Blocks from Rock Auto and they wobble around in the OE seats like crazy, they probably work, but are not correct. I measured them carefully up, using a formula and also used prussian blue and an adjustable conical reamer to verifie my discovery. This is NOT a wear thing. The OE angle is steeper! I decided to cut my Titanium retainers OE 8° as I like it better, even though I will be stuck with used OE or rare valve locks. Edited by 1960fury 2023-09-19 10:17 AM | ||
mstrug |
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Expert 5K+ Posts: 6571 Location: Newark, Texas (Fort Worth) | What size stem is it? 8 degree: https://www.summitracing.com/search/part-type/valve-locks/lock-style... | ||
1960fury |
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Expert 5K+ Posts: 7529 Location: northern germany | 3/8" of course but they have to fit too. No such thing as single groove locks in the FL world, as far as far as I know. | ||
1960fury |
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Expert 5K+ Posts: 7529 Location: northern germany | Are there any valve stems in the FL world, that are not 3/8" OE? Edited by 1960fury 2023-09-19 3:33 PM | ||
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