BJ 134
Leaded vs Unleaded
Hi. I am a new member to the forum so maybe this has already been discussed, if so please bear with me.

What do i need to do to convert my '99 3.5 V6 from using leaded (LRP) to unleaded petrol? I am concerned about continued availability of LRP in future.

Thank you.
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Affiliate Member
Re: Leaded vs Unleaded
3.5 v6 can run on both. Just fill up with unleaded next time round. You may find a boost in performance and economy - I did on my 1992 3000 v6 :D
BJ 134
Re: Leaded vs Unleaded
4ePikanini wrote:3.5 v6 can run on both. Just fill up with unleaded next time round. You may find a boost in performance and economy - I did on my 1992 3000 v6 :D
No "side effects"? How long did you use it before you sold?

Thanks for the help
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Affiliate Member
Re: Leaded vs Unleaded
BJ 134
Re: Leaded vs Unleaded
4ePikanini wrote:6 months.

No ill effects at all!
thank you, really appreciate it. Will definitely switch over.
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Site Admin
Re: Leaded vs Unleaded
As per my previous post the 99 3.5 should be run on unleaded anyway and not on LRP
Simon Bloomer
Mcnoogle
Re: Leaded vs Unleaded
4ePikanini wrote:3.5 v6 can run on both. Just fill up with unleaded next time round. You may find a boost in performance and economy - I did on my 1992 3000 v6 :D
Really,

You got better figures on unleaded - I think its time I tried that, did you still add 2 stroke at that time,
if you still had it now, being on unleaded would you still add 2 stroke?
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Re: Leaded vs Unleaded
Mcnoogle wrote:
4ePikanini wrote:3.5 v6 can run on both. Just fill up with unleaded next time round. You may find a boost in performance and economy - I did on my 1992 3000 v6 :D
Really,

You got better figures on unleaded - I think its time I tried that, did you still add 2 stroke at that time, YES
if you still had it now, being on unleaded would you still add 2 stroke? YES
BJ 134
Re: Leaded vs Unleaded
Why add 2 stroke?
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Affiliate Member
Re: Leaded vs Unleaded
BJ 134 wrote:Why add 2 stroke?

in short


Fact : it burns away carbon deposits.
debatable : it adds lubricity to the fuel and cleans injectors
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