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The other thing I spotted was a set of throttle bodies. Whilst I was
idly searching for a set of Jenvey TBs, I turned up a some from AT
Power. I'd not heard of them before, but a quick bit of research
seemed fairly convincing that they should be pretty good. Their
primary selling point seems to be that the butterflies are
spindleless, and that this gives a less disrupted airflow. I'm not
entirely sure that it makes alot of difference, as it would only
have any effect at wide open throttle, but they have a few other
nice features. They are direct to head, which means that you can
bolt them straight to the cylinder without the need for a manifold -
this is defintely an advantage in terms of flow over using a generic
DCOE style body on a manifold, and the closer you can get the
butterfly to the inlet valves, the better. Additionally, they have a
nice modular design, and are made from billet rather than cast.
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Anyways, I think/hope I got a good price, as pricing up the same
thing new comes out at almost three times the price I have paid. The
only downside, I found on receiving them, is that the blue anodising
has not fared that well, so cosmetically they aren't in A1
condition, but mechanically they seem to be. With the package, I
got: the bodies with extension pipes and trumpets, fuel rail,
injectors, throttle position sensor, wiring loom, and ITG air
filter. The engine they were previously fitted to made 190bhp with
some headwork and cams, so they should make good power. I spent a
little time dismantling them to clean them up, and have packed them
away into storage for now.
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