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xFontix039
Samba Member
Joined: June 21, 2025
Posts: 6
Location: Quebec, Canada
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 Posted: Tue Jul 01, 2025 6:06 pm Post subject: Pushrods on single High Rev |
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Hello everyone,
I would like to know if anyone use single high rev springs with OEM pushrods. Some say they can handle it and other say they are too weak. The car aint a racer so i dont expect to run over 5000 RPM with it.
Engine specs:
1600cc stock
Engle W100
Rocker: 1.1:1
Engle Lifters
Single high rev springs
Original pushrods |
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Teeroy 
Samba Member
Joined: April 20, 2003
Posts: 3840
Location: Eastern WA
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| Posted: Tue Jul 01, 2025 6:10 pm Post subject: Re: Pushrods on single High Rev |
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I've used stock pushrods on heavy duty single springs on several engines over the years, never had a problem, just make sure the length/geometry is right. Bolt together rockers as well
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BFB
Samba Member
Joined: November 03, 2014
Posts: 2651
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| Posted: Tue Jul 01, 2025 7:13 pm Post subject: Re: Pushrods on single High Rev |
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X’s 2.
Also, some ppl can break an anvil in a sand box so theres also that.
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An interesting thing happens in forums where everyone starts parroting the same thing and "common knowledge" takes over.
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jim martin
Samba Member
Joined: January 14, 2004
Posts: 341
Location: Vancouver, BC
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| Posted: Tue Jul 01, 2025 7:39 pm Post subject: Re: Pushrods on single High Rev |
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im so not hip to this type of valve train anymore.
when you guys are talking this aluminum and single spring setup post up some details so I can get in the know.
valve diameter. installed height .spring data , lift and duration at cam , lift at valve , lifter weight. pushrod length and wall ,max rpm .
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DesertSasquatchXploration
Samba Member
Joined: April 16, 2021
Posts: 966
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| Posted: Tue Jul 01, 2025 8:21 pm Post subject: Re: Pushrods on single High Rev |
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Work fine for me
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Key is to have downward travel Preload keep both wheels on the ground at all times once you lift a tire your DONE. Guys worry about clearance instead think of the opposite you want the suspension to drop that tire in the hole and keep you going. A spider for example they keep their body low but their legs can reach pretty far so they don't (bottom out) |
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