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The
first opportunity we've had for GTO owner's to check the
power output of their cars. Another great day out was had
thanks to Chris and Mervyn at Power Engineering, followed by
a slap-up meal at Starvin' Marvin's! 12 owner's turned up
and some interesting comparisons were made.
First
up, we have some photo's along with some sound clips (click
on the sound icon):
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Simon
Fitzpatrick during his first run
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Jamie
Beeston waiting to get started
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The
view outside
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Ditto
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Jamie
Beeston during his run
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Barry
Glazier's highly modded car (presented by Shelly).
Some problems were detected during this run, mainly
due to the high boost levels achieved which caused
the engine to run lean. Barry will probably need
larger injectors to keep the fuel rate up there
with the boost.
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M-Pro
(Mike Hedges) during his run. Mike's running with a
bleeder valve and there has been a suggestion
recently that Mike ought to do a compression test
to check out that everything is okay.
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Simon
Baker during his run
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Ewan
Kingham's run
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My
car waiting to be set up
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And
again. No pics or sound as I sat in it during the
run. My car is pretty much the same as Simon
Baker's, but I have a K&N FIPK and he
doesn't. Even with the K&N on my car, Simon
still managed to produce slightly more bhp and
torque which makes me wonder how much lower my car
would be without the K&N.
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Simon
Edwards' run
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Simon
Fitzpatrick's second run but this time with Ewan's
K&N filter bolted on. We saw some remarkable
figures, with Simon's car showing an increase of
18bhp (peak) and 11lb/ft (peak) compared to his
first run with the stock air filter. It's possible
the gain may have been so good due to a clogged up
stock air filter on his first run, but I don't know
what state his stock air filter was in.
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Some
photo's from Ewan:
The
results (sorted by BHP):
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Ranking
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Name
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BHP@RPM
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lb/ft
torque@boost
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Spec
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Boost
controller
|
Air
filter
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Exhaust
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Notes
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1
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Simon
Edwards
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336/5700
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350/14.5psi
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92 Man
T/T
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HKS
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HKS
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HKS
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2
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Michael
Hedges
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335/6660
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376/17.5psi
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91 Man
T/T
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Bleeder
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K&N
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HKS
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3
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Barry
Glazier
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327/?
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349/21.7psi!!!
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91 Man
T/T
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Yes
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K&N
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Non-stock
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Safe boost levels
exceeded
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4
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Ewan
Kingham
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324/6413
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334/?
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91 Man
T/T
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No
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K&N
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Stock
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5
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Jamie
Beeston
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312/?
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316/12psi
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98 Man
T/T
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No
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Stock
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Stock
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6
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Simon
Baker
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307/6163
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332/13psi
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95 Man
T/T
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No
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Stock
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Stock
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7
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Simon
Fitzpatrick
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302/6413
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322/11psi
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91 Man
T/T
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No
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K&N
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Stock
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2nd run with
K&N fitted this time
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8
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Paul
Roberts
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302/6450
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317/14psi
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95 Man
T/T
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No
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K&N
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Stock
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9
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Andy
Morris
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298/?
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342/13psi
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91 Man
T/T
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No
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Stock
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HKS
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10
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Keith
Hawkins
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287/?
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285/?
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92 Man
T/T
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No
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Stock
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Stock
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11
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Simon
Fitzpatrick
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283/6598
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311/11psi
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91 Man
T/T
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No
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Stock
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Stock
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12
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Jason
Willis
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212/?
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200/NA
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94 Auto
N/A
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N/A
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Stock
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Stock
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Ahhh!
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13
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Rob
Squirrell
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DNR
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DNR
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?
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?
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?
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?
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Did not run,
misfiring
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Note:
Some boost pressure readings were measured in bar. I have
converted them using 1bar = 14.5psi so some of these are
very approximate
Click
here
for Simon Edwards' sortable results page.
Click
here
for M-Pro's rolling road page.
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