08 Allowable mods: Street Prepared
Description
This article is from the VW Performance FAQ, by with numerous contributions by Jan Vandenbrande others.
08 Allowable mods: Street Prepared
(Basically the same as stock except for these)
Street Prepared was originally intended as an incremental
step beyond Stock prep levels. As it now stands, a really
competitive Street Prepared car may neither be street legal
nor practical for street use. (Note that older cars are
subject to less stringent EPA/NHTSA regulations and
therefore may be street legal in SP class). Tires must still
be DOT legal. In addition to Stock allowances, Street
Prepared allows the following:
1.Replacement or modification of stock springs. Replacement
springs must be of the same type (coil, leaf, or torsion
bar) and in the same location, as original, but the rate,
free length, and coil diameter may vary from stock.
2.Installation of camber plates in strut suspensions.
3.Installation of body stressbars. There are strict
limitations on the type of "strut brace" that may be
installed, but some of the most common ones (Neuspeed
front bars, for example) are legal.
4.The use of any wheel size and/or offset.
5 The use of any intake and/or exhaust system that will
attach to the original, unmodified engine, i.e., the
cylinder head may not be mcahined or drilled to accept a
non-stock manifold.
6 The alteration or removal of emission control devices.
7 The installation of any fully padded and upholstered
driver and front passenger seat.
8 The installation of any steering wheel.
9 The use of a limited slip differential with the same
factory ratio.
10The use of any flywheel, clutch, pressure plate, etc.,
that will bolt to the stock crankshaft.
11The use of any ignition system, including a crank fire
system on a car not originally so equipped.
12Ignition timing can be set outside factory specs.
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