On October 3rd 2011 my DOHC engine died. The timing belt was perfect but the timing chain and tensioner that drives the belt wasnt so. IT had 224,000 hard miles on her... it was time. she ran strong right up till the end. with that many miles and a weak trany, its not worth fixing.
So here comes a 3800 Swap. i got a complete drop in from a 98 Z34 with low miles, a topswap kit, and headers. the drop in came from Morad with a 90 day warranty. That gave me time to port the heads, lower intake, and blower. i already had a 98 Z34 harness for it and have a 98 PCM too.
mods will be as follows:
L36 bottom end
Ported Heads, L76 springs, Manley retainers, Intense light weight push rods, comp valve locks, Si Valves, viaton seals
Port matched Lower Intake Manifold
Ported Gen 3 M90 with stock pulley
Ported L67 TB and have a Northstar... will test to see which I will use. I plan to use a spare MAP sensor to test each TB for pressure drop.
3" MAF from my DOHC
Speed daddy headers to a 2.5" magnaflow muffler and then custom exhaust to dual tips.
4t65e with 3.29's
180* stat
Over sized radiator that is standard on the DOHC
Braided steel fuel lines off the lumina mpv van with 3800
Aluminum coolant elbows
Autolite 104 Iridium plugs .055 gap
Mods down the road will be:
-MPS with 3.6 and 3.4 pulleys
-Cam, timing chain and tensioner.
Dream list:
-Built trans
-Twin Charging!!!
Currently 3800 engine and trans is installed and running with the following mods:
-FWI
-Mild Ported NA TB
-HV3
-Speed Daddy Headers
-Full 2.5" exhaust with single magnaflow muffler and resonator
-plenty of tuning...
__edit 8/8/2013__
