P.A.S.S Racing Product Line

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under drive pulleys instock

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FAQ: for race under drive pulley (non ac and power steering)

Why no under drive water pump pulley?

Under drive CRANK pulley will Under drive your stock Alternator & Water pump pulley. in Ronny's half street and half Race AE86, after he installed our pulleys he had 30 Degree lower on WATER TEMPATURE than usual. but he also installed our C/F Radiator Panel at the same time.

Why Under drive Alternator pulley?

because the diameter of our stock GTS alternator is really small, using under drive alternator pulley will help reduce stress and increase the life span on your alternator.

Will the Pass under pulleys cause vibration?

No, all 10 pulleys are well balanced in our japan machine shop, because we only made 10 set of pulleys, we had great quality control on all 10 set of the pulleys. to be continused tomorrow with pics.

Will it work with 20V 4AGE?

Yes, our pulleys will work with 20v silver or black top engine. if you are using the 16v alternator bracket, our pulleys will direct bolt on, if you are using the 20v bracket then you need to use a right size shim, make sure you mention before buying our kit, so we can provide the shim.

Is It Streetable with your Racing Pulleys?

yes, they're 100% streetable with out any side effects. we have been tested in my street only AE86 for a month. even with our under drive alternator pulleys, voltage is still within factory spec during idel and driving on the street.

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pass racing tie rod instock

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Pass Racing Street Under drive 4ag pulleys instock

here is my feedback after my boss installed our under drive crank pulley,

my car set up: (pretty much stock)
HKS intake
stock exhaust
nology hot wires

so far i been driving with our under drive crank pulley for 3 days, all i can say is it makes my engine feel 6 years younger. i constantly shift at 4000 rpm trying to keep up with all the hybrids on the street for 2 years, after i installed the under drive pulley, i realize power kick in much earlier. instead of shifting at 4000 to keep up with the OEM crank pulley, i shift at 3000 - 3300 rpm with the udner drive crank pulley. this is more noticeable on 3rd, 4th and especially 5th gears. on the 1st and 2nd gears you wont notice of much power gain from the under drive crank pulley, but it creates much faster throttle respond than OEM crank, rev much quicker, and also when I down shift it pick up much quicker also(i guess because is much lighter weight and under drive than oem crank pulley).

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our coilover kit is design for the ae86 so your top hat won't have problem like the ground control universal kit. and swift springs are recommended for high performance.

[alimonos]

what about the P.A.S.S Racing Stage II Coilover ? costs?

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alimonos Wrote:what about the P.A.S.S Racing Stage II Coilover ? costs?

sorry alimonos stage II is already discountinued but we are looking to redevelop it but some ppl said the height is not low enough, used to be around $700 with out shocks

here is the car that equiped our stage II coilover kit

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Racing Under drive crank pulley sold out, 4 Street under drive pulley instock. and pulleys are 20% under drive!

[The Big Yin]

ok

i already have an alloy alternator pulley. not the pass one but another one

is what you have a water pump pulley
and a crankshaft pulley yes??


if i fitted both would i need a differant size belt?
or are they the same diamater as stock

cheers

[trueno is the way]

The Big Yin Wrote:ok

i already have an alloy alternator pulley. not the pass one but another one

is what you have a water pump pulley
and a crankshaft pulley yes??


if i fitted both would i need a differant size belt?
or are they the same diamater as stock

cheers

interested in the same thing