TSRM/MK3 Supra/Community Fixes
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Community Fixes

Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads

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Engine7 threads

slow acceleration and delayed boost build

Hey, is this a stupid question?88t Why won't it run right?!?!?!?!?!?!Car wont boost or stay running after car accident+ 4 more threads
Engine6 threads

difficulty installing oil supply banjo bolt

looking for a few things...HUGE oil leak after doing HGlining up banjo bolt+ 3 more threads
Engine6 threads

wiring valve body to ProEFI system

replacing valve seals and swapping head.. cam and puck questionsCan one of you legends with good brakes get me pics of your proportioning valve line routing?Help-2JZ-GTE VVTi Wiring Pro-EFI into MKII chassis+ 3 more threads
Engine6 threads

hose connects to intake piping

turbo tubingWhere Does this hose go????Power loss+ 3 more threads
Engine6 threads

proper installation of head studs

ARP head studsHead stud questionsQuick info request, someone with their head off.+ 3 more threads
Engine6 threads

corrosion from block into aluminum head

Can't get head offtips for cleaning head gasket surfaces?Is it possible to have a head so warped it won't come off because of headstuds?+ 3 more threads
Engine6 threads

unknown accessory belt

Will a fully dressed 7M fit when lowered into the engine bay?ffi while retaining ac, and powersteering. is it possible/ has anybody done it?help on seting timing+ 3 more threads
Engine6 threads

spring insulator replacement

Valve seal help needed before I kill somebody!!Alternatives for MK3 front spring insulator (48157-14020)?Gas door spring thing+ 3 more threads
Engine6 threads

engine misfire that is intermittent and random

Random misfire/sputter, ideas please!Stumped on engine miss problem (and I did the usual checks)Random/Intermittent Missfire and Code 52 (knock sensors freshly rewired)+ 3 more threads
Engine6 threads

harder to fire under load

whaaaaat theeee FuuuuuuuukEngine making no powerMajor miss under a load+ 3 more threads
Engine6 threads

missing coolant port cover plate on turbocharger

3rd valve cover, P/N? use old one?Where can I get the new Vavle cover gasket and bolts?HKS wastegate problem+ 3 more threads
Engine6 threads

piston gudgeon pin and snap ring requirement

piston oil ring problem...compression ring gaps to large?Safe boost pressure for my ring gaps?+ 3 more threads
Engine6 threads

wheel well clearance issue after strut installation

Piston/Bore ClearanceApexi intake helpKoni struts with INTRAX springs+ 3 more threads
Engine6 threads

head bolt reusability question

Newest member of the BHG club...New head bolts needed wehn doing BHG job?about to go insane..+ 3 more threads
Engine5 threads

oil gallery modification needed on new block

1.5 JZ HEAD GASKET / OIL GALLERY MODIFICATIONNEED HELP...importantQuick engine block question!+ 2 more threads
Engine5 threads

difficult to replicate air filter housing

Newbie question i am sorry.Will 10" K&N fit?Keep HKS green shroom or replace. 1991 Supra.+ 2 more threads
Engine5 threads

missing balance shaft gear component

Latest Mod, Quick ReleaseAFM question - broken? how much $?Balance shaft gear+ 2 more threads
Engine5 threads

blown rod through block

Picking up the baton...my brother's build.ARP studs with head in car?motor threw a rod.. what to do+ 2 more threads
Engine5 threads

surface roughness insufficient for head gasket

Re-build QuestionsBlown MLS headgasket on a 0 mile motor?!?headgasket issue.+ 2 more threads
Engine5 threads

unknown tuning box interfering with air flow meter

I lost!! stock 350ZAEM PEMS! Has anyone got it to work in MK3?Greddy boost Tunning+ 2 more threads