525 efi valve springs

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10-08-2017 | 09:13 PM

#11

MikeScarab28XLT

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Joined: Mar 2001

Posts: 353

Likes: 23

From: GERMANY Aschaffenburg

2017, any better ore other OEM spring sets for the 525 efi available ? Thank´s for any help.

Are the comp cams sping set 929-16 a set i can use on 525 efi gen2 engine stock power ?

10-08-2017 | 10:10 PM

#12

1MOSES1

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Joined: Jun 2010

Posts: 4,826

Likes: 907

Quote:

Originally Posted by MikeScarab28XLT

2017, any better ore other OEM spring sets for the 525 efi available ? Thank´s for any help.

Are the comp cams sping set 929-16 a set i can use on 525 efi gen2 engine stock power ?

everyone is still using isky tool springs. Atleast in all my reading and research. Others can chime in.

10-09-2017 | 08:19 AM

#13

VoodooRob

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Joined: Jul 2011

Posts: 1,992

Likes: 48

From: Cleveland Ohio

Agree with HyFive, we used the same parts and used Johnson lifters. "Isky 8005A springs and change retainers and locks to 10 degree to get 1.850 installed height."

10-09-2017 | 08:36 AM

#14

obnoxus

Charter Member #1171

Joined: Feb 2001

Posts: 4,018

Likes: 21

From: Clearwater, FL

+ 1 for PAC,,,, thats what Merc uses

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10-09-2017 | 08:38 AM

#15

F-2 Speedy

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Joined: May 2012

Posts: 11,438

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From: Midwest & T-Rock

Quote:

Originally Posted by VoodooRob

Agree with HyFive, we used the same parts and used Johnson lifters. "Isky 8005A springs and change retainers and locks to 10 degree to get 1.850 installed height."

++ agree
Isky Racing Cams 8005-A Dual Valve Springs 1.530 in. 400lbs | eBay