Question about 1988 Nissan 300ZX

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Engine need high perfomence engine parts for oval track racing

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Go to or
they sould be able to direct you to the right place.

Posted on Nov 04, 2008


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Gas pedal gets stuck and keeps the car going cant stop without turning the car off

dont drive it. find the cause and fix it now.
Hot and cold engine or BOTH>?
1995 Tracker, no tranny , no 4wd , on engine options stated.
Exact high RPM in neutral, not stated...... 1500 is normal cold.
keeps going in Neutral. (nah , you have 5 ways to stop any car.
key, hand brake, foot brake and neutral. and with 4wd, 1 more neutral.
keep that in mind driving any car.
this car has up to 3 throttle cables that can stick. and more!

1: floor mats hit the pedal>? ala. Toyota style (lawsuits)
2: the three cables are, throttle. , cruise and A/T transmission kick down cable. if car is M/T and no cruise it has 1 cable.
so disconnect it, throttle fixed? (disconn,. 1 by 1, bingo?

no cure?, then its not the pedal , you meant just high idle.
yes, replace the cable or bad parts three.
ok say its not the cables.. (tests proved that)
the 95 came with 2 engines, 8valves and 16valves,
they work differently (8v love so race, 16v loves to stall)

1: ISC Stuck open, common.
2: 8v, any air leaks at all , will cause super high idle speeds.
3: throttle valve in the throttle body is stuckopen (gunk) or the return spring broken (very very rare the latter,in fact never heard of one breaking)
4: IAC (thermal idle control stuck open ,(my 97 was). and lots more.
5: on the 16v it takes 2 failures. to make high idle.
gross rich running engine (cold engine its normal) and any air leak
once hot the engine can not race unless there is huge overfueling
and an air leak.
6: the 8v has this device on the side of the throttle body.
called a dash pot. its just a fast idle vacuum servo.
if stuck open the engine will scream full time....
7: ECU stuck in limphome, can cause too high idle speeds.

we need to know which engine
8v or 16v first.
then does the idle race hot or cold or both (engine temperatures)
if it races , then how fast?, RPM the dash tachometer tells you that.

it can be as simple as a 50cent hose cracked.
to a dead ISC. (idle speed control) IAC is thermal idle air controller.
the IAC must be closed on a hot engine,
if the the engine never gets hot,it will scream full time.

Feb 13, 2014 | 1995 Geo Tracker

1 Answer

Is a 97 2.4L GM motor capable of oval track racing performance. I've heard the oiling system and water pump can't handle it. Also been told that they work fine? What is what?

yes the 2.4 dual cam works well and fits great in most eco stock racing rules. I run one on a 3/8 mile high banked dirt track. The engines are light and so are the cavaliers. The waterpumps are not the easiest but i did not find it near as hard as everyone online cried about to change. Im not sure yet on the oil pump having a fualt to the bottom end issues, i lean more on the counter balance shafts airiating the oil at high rpms.

Feb 10, 2013 | Cars & Trucks

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Celica gt tyres worn down fast

Mileage depends on the type of tire. A soft compound tire made for high perfomance may only get 20-30,000 miles of wear. A compromise is made, giving up mileage for high traction.

Dec 22, 2009 | 2002 Toyota Celica

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Ran the engine way too hard

Most of the time when this happends it has to do with valve train like broken valve spring, or bent valve , or even a bent push rod or colapes lifter, or rocker arm. At any rate i think your problem is in the valve train.

May 26, 2009 | 1994 Chevrolet Cavalier

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2005 BMW 525i

i thought it was a smaller panel forward of that which is removed to gain access, at least that's how it was on the E39 model. should be similar. look for a small oval panel or "race track" looking panel.

Mar 17, 2009 | 2007 BMW 525xi Sedan

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Audi A4, 2.8, 1998

remove the engine strip and rebuild its whats known in the trade as a banger,knackered,thrashed ,had its day.caused by high mileage ,broken piston rings worn valve guides ,valve seats burnt out ,high internal pressure caused by on or all of these things

Jun 05, 2008 | 1998 Audi A4

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