V8 performance

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SteveMJ
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V8 performance

#1 Post by SteveMJ » Mon Jun 18, 2012 12:01 am

I have a VXR8 (6.2L V8 Chevy small block, LS3) that I run on LPG. Last weekend was PVS (Performance Vauxhall Show) at Santa Pod and I ran my car up the strip; both on petrol and on LPG.

So I thought some of you guys may be interested in the result:

On petrol I ran the 1/4 mile in 13.6 s with a terminal speed of 105 mph, on LPG it was 14.01 s at 99 mph. Not much of a difference on LPG :-)

Steve
VXR8 Auto LS3 in Evoke (with LPG)

Gilbertd
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Re: V8 performance

#2 Post by Gilbertd » Mon Jun 18, 2012 12:14 am

and if you really wanted to spend weeks carefully mapping the car to take advantage of the 113 RON octane rating of LPG, you could probably get it faster on gas than petrol.....
'96 Saab 900XS, AEB Leo, sold
'93 Range Rover 4.2 LSE, Lovato LovEco, sold
'98 Ex-Police Range Rover 4.0, Singlepoint AEB Leo, my daily motor
'97 Range Rover 4.0SE, eGas multipoint, a project.....

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SteveMJ
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Re: V8 performance

#3 Post by SteveMJ » Mon Jun 18, 2012 8:18 pm

Gilbertd wrote:and if you really wanted to spend weeks carefully mapping the car to take advantage of the 113 RON octane rating of LPG, you could probably get it faster on gas than petrol.....
yes, perhaps. But being that I run up the strip so far on average - err, 4 times in 40+ years. I don't see it as a high imporatance for me. Ha ha :-0
VXR8 Auto LS3 in Evoke (with LPG)

tommo2009
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Re: V8 performance

#4 Post by tommo2009 » Tue Jun 19, 2012 8:47 am

The difference may even be closer than that as you could lose that amount of time while on petrol depending how you manage to get off the line. No two starts are usually the same

indyjukebox
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Re: V8 performance

#5 Post by indyjukebox » Tue Jun 19, 2012 9:27 pm

Out of interest, what system/components do you use.

SteveMJ
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Re: V8 performance

#6 Post by SteveMJ » Thu Jun 21, 2012 7:14 pm

Sorry for the delay indyjukebox

I have a BRC system.

Steve
VXR8 Auto LS3 in Evoke (with LPG)

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