Drift project

Supra_87_mk3 · 05-14-2007, 04:28 PM

well i don't know how new you are to supra's so just some basic stuff to know.

1. you need a mls Head Gasket. w/ ARP Head Studs
also since your drifting you will prolly be using high boost so the MLS head gasket depending on the brand will lower compression from 9-1 to about 8-1 (that is 7m compression) the 1JZ has a 8.5-1 im not sure what it would lower to also

The 1JZ was developed in 1989 to replace Toyota's aging "Truck Engine" the 7M. The 1JZ has a short stroke and high rev limit (7500 rpm). It displaces 2.5 liters the 1JZ-GTE is rated at 280 hp at 8.5 psi of boost. In contrast, the 7M produced 232 hp with 7psi of boost. The C12A turbos have a reputation for failing at high boost (>20psi) in unmodified form. They present the first true limit to the power the engine can produce.

if you would like more info look at this site
http://mkiiisupra.homeip.net/1jz.html

05-14-2007, 04:28 PM	#5
Supra_87_mk3 3" Exhaust Join Date: Apr 2007 Location: tiffin ohio Posts: 76	well i don't know how new you are to supra's so just some basic stuff to know. 1. you need a mls Head Gasket. w/ ARP Head Studs also since your drifting you will prolly be using high boost so the MLS head gasket depending on the brand will lower compression from 9-1 to about 8-1 (that is 7m compression) the 1JZ has a 8.5-1 im not sure what it would lower to also The 1JZ was developed in 1989 to replace Toyota's aging "Truck Engine" the 7M. The 1JZ has a short stroke and high rev limit (7500 rpm). It displaces 2.5 liters the 1JZ-GTE is rated at 280 hp at 8.5 psi of boost. In contrast, the 7M produced 232 hp with 7psi of boost. The C12A turbos have a reputation for failing at high boost (>20psi) in unmodified form. They present the first true limit to the power the engine can produce. if you would like more info look at this site http://mkiiisupra.homeip.net/1jz.html __________________ My 1989 toyota supra mods:83.5 mm bore, ARP main studs, ARP rod bolts,rings, Cometic .060" headgasket, ARP head Studs, Ferra 1 mm oversized valves, port work, Rc 550cc injectors, Walbro 255hp Turbo: 1.15 A/R T4 twin Scroll turbin - journal .60 A/R compressor, Hallman Pro MBC, Turbo XS Blow-off Valve, 50mm wastegate, hks fcd Intercooler: 32x12x3 core, 3 inch piping, with clampco t-bolt clamps Exhaust:Exhaust manifold T4 twin scroll,2JZ 3 inch downpipe Fabed up to fit, Mandrell bent 3in back

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