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Expert 5K+
Posts: 7536
   
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
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Expert 5K+
Posts: 6571
Location: Newark, Texas (Fort Worth) | https://www.ebay.com/itm/125820105899?epid=251112243&hash=item1d4b76...
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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...
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Edited by mstrug 2023-08-01 8:32 PM
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Expert 5K+
Posts: 7536
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? |
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Expert 5K+
Posts: 7536
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
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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... |
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Expert 5K+
Posts: 7536
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. |
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Expert 5K+
Posts: 7536
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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OE Big Block valve lock/retainer taper, 7° or 8° ?
