[TR] TR3 Leaf Springs

[Reihing, Randall S.]

I second Andrew. It's important to have matched spring rates side-to-side and front to back. Suspension engineers carefully calculated the design spring rates for all four springs based on a lot of factors but mostly on how the car would be used and it's anticipated normal and maximum loads. 

If the driver side spring is the same age and mileage as the one that failed it may not be long before the driver side goes "south" as well. 

Best to rebuild both at the same time and ensure both have the same spring rate. 

Altering just one rear leaf spring that has failed from fatigue may alter the way the car handles when drive aggressively, and also just around town Not to mention the TR3's handling characteristics when you run out of rear suspension during hard cornering which might happen sooner with soft rear springs.  

Randall S. 


From: Triumphs [triumphs-bounces at autox.team.net] on behalf of Andrew Uprichard [auprichard at uprichard.net]
Sent: Saturday, September 30, 2017 6:05 PM
To: 'TERRY SMITH'; rbtr3a at cox.net
Cc: Triumphs at autox.team.net
Subject: Re: [TR] TR3 Leaf Springs

If know your "friend in Vermont" he doesn't carry new parts.  So are you
thinking of getting a used one ?

Personally, I'd spring (sorry about the pun) for new ones - and I'd get a
pair as the other side is likely to be worn / saggy / whatever.

I just bought a pair from Albert at TRF - and I thought he was reasonably
priced.

Andrew

-----Original Message-----
From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of TERRY
SMITH
Sent: Saturday, September 30, 2017 2:34 PM
To: rbtr3a at cox.net
Cc: Triumphs at autox.team.net
Subject: [TR] TR3 Leaf Springs


On acceleration this week, I heard a loud snapping pop from the rear
passenger side.  Investigation shows broken leaf spring.  Quite the sag on
that side!  Anyway, I can source a spring from my friend in Vermont.  But
question first.

When replacing leaf springs on one side with used, is there a reason why you
should do it on both sides?  I can't think of one.

Thanks, everyone,
Terry

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