the surge is a vacum leak. vac hose is off, of intake plumbing needs replacing, or the iac need replacing.
the good and the bad
the 87 was the first year of the 7mgte, and uses premium (91+) octane gas.
milage varies on weither its auto or 5 spd and how you drive. i get 19-22 mpg on my 87, with the auto.
the 7m is very reliable, just make sure to do your oil changes and get the head re-torqued with a new headgasket and your good to go.
the bad about the 87 (ish) supra
the rad is a little undersized, so watch your temp gauge, especially in rush hour in the summer. rad upgrades are available for not to much.
they have a facotory defect head bolt torque spec. the 7mgte was originally suspose to have a asbestos headgasket, so 45 ft/lbs was the correct torque spec. when asbesros was banned, a regual composite headgasket was used, but the head was still only torqued to 45 ft/lbs, where it should be at 75 ft/lbs. just pull the valve covers and re-torque yourself.
a little thing called targa flex with the roof off. being a open car the body is more prone to twist and flex with the top off. avoid hard driving and pot holes with the top off unless you get some re-inforceing bars to help hold the car from flexing. the easiest way to know if you have targa flex is your roof wont fit properly, and/or leak when it rains.
its a 23 year old car. hoses and gaskets have probably starting deteriorating and so new vac lines/rad hoses/valve cover gaskets/ and intake houses could do with a a replacement. if it feels really hard or reall soft, replace it before it blows up!!
the good
the supra is really fun to drive. its really smooth and stable at high speed, and doesnt get that "death wobble" alot of lower end cars get when your going to fast for the car.
the auto's in these things are great till they fail(like alot of auto's). but lucky the holes for the clutch pedals and master cyl are pre drilled, so swapping to a 5 spd is easy (took me 8 hours to do the swap, but that was in a full shop with hoist and tranny jack)
but hey, its a 87! its 23 years old! yoru still gonna have a blast driving one!
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87 silver turbo targa, bone ass stock (for now)
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