P4100003 This is the 1987 1.8Turbo, which will is slowly but steadily being modified for road/track with RSR suspension,upgraded turbo, special cams, management, intercooler and many other internal engine mods,all aiming for a reasonable and above all reliable 250-270hp with excellent driveability from about 2krpm. It already has an 8-point roll cage and some body lightening. All Evo-look panels have been received including a fiberglass hood and deck lid.
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P4100004 Another view of the 1.8Turbo. Wheels were RONAL 7x15" which always look good on these cars but will not fit the shown Brembo red big-brake conversion so I got 3 more sets of wheels to play with: Compomotive MO 5x15" for trackday semislick tires, MO 8x15" for slicks and a set of Speedlines 6.5x16" from the 164Q4 for road tires!
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P4270002 Close-up of the GTAm combustion chamber.
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P4270004 GTAm head, top view.Excellent flow because of 46degree valve angle,not 80degree as all other Nord heads.
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P4290009 GTAm block machining to accept the monosleeve liner.
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P4300002 GTAm head view.
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P4300001 Special GTAm parts.
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P4300003 Head with carb intake manifold.
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P4300004 Notice integral intake manifold.
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Yet another big-brake conversion,using M3 315mm discs'Brembo 4-pots and brackets.
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3/4 view of setup.
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Inside of modified M3 disc.Note centering ring required for this application.
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RSRacing rear adjustable height spring.
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Installation of RSRacing front setup.
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Completed RS front setup.
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Big-brake components,Brembo+310x28mm
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Just fits inside 7"x15"Compomotive MO
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Assembled, inside view.
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Outside view.Disc is M3 315mm reduced to 310mm in order to fit inside MO 15" wheels.
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Not a bad looking setup! These are Compomotive MO 7x15".
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3liter crank assembly dynamic balancing.
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Precision rod balancing.
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Crankshaft balance bobweights. Long bolt used for std pistons, short one for lighter forged ones.
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3liter block assembly with forged pistons.
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RSRacing transaxle suspension components are the best you can get for performance and racing use.
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Another big-brake conversion with Brembo reds, special alloy hats and brackets. Discs are Wilwood heavy duty 48-vane 310x32mm discs. Great stopping power for any V6.
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Notice spacers added to widen caliper for the 32mm discs.Longer bolts and pins as well as wider pad retainer springs were needed.
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3.3kg were removed from the 3liter V6 flywheel. Standard weight is 11.4kg.
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3liter engine completed, ready for installation.
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Chamber cc'ing is definitely required in 12v heads.
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The only way to get perfect seats; shape them yourselves!
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Big-valve seats in 3liter head chamber.
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Modified rod and cap (left) vs standard item. Final rod weight is 641gr (with bearings).
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JE forged piston with anti-friction coating applied.
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