RX7Club.com - Mazda RX7 Forum
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RX7Club.com - Mazda RX7 Forum (https://www.rx7club.com/)
-   3rd Generation Specific (1993-2002) (https://www.rx7club.com/3rd-generation-specific-1993-2002-16/)
-   -   Running water/meth injection? Check your FPR spring! Carnage inside. (https://www.rx7club.com/3rd-generation-specific-1993-2002-16/running-water-meth-injection-check-your-fpr-spring-carnage-inside-1122016/)

Redbul 01-02-18 11:43 PM
FPR Spring Rate
 
How do you check the condition of the spring in a stock FPR?

billyboy 01-03-18 01:59 AM
Originally Posted by Redbul (Post 12243193)
How do you check the condition of the spring in a stock FPR?
No way to visually inspect, short of destructive. You could infer the state of it with some sort of test rig......hand pump to simulate boost and read the resulting increase in fuel pressure.

FourtyOunce 01-16-18 04:01 PM
Simple fix is get an SS spring, like the one supplied with FuelLab FPRs.


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