it depends. If you're maxing out your fuel at say 15 psi, then drop in the 440s to run 18 psi then you'll gain power, but just dropping in the 440s to run 15 psi again will gain nothing. THe only gains you will get is from the tune from the SAFC (you would gain the same power with the stock...
My buddy has a jza70 harness he will be selling in about a month.. prewired for a 89 and all ready extended.. Hes going with a 2jz harness and GForce ecu, works flawless in his car. its prewired for 550s and everything.
there was a thread about this.. either SM or SF
edit: found it
http://www.supraforums.com/forum/showthread.php?t=318284&highlight=head+Modification+Drilling+Coolant+Passage
probably too much play in the rear end. The pinion tension gets loose over time with the toyota crush washer design. Check out this thread
#3 in the thread
http://www.supraforums.com/forum/showthread.php?t=430339
One station usually. Theres a sunoco right be the highway on my way to/from work i always get.. usually cheapest in town too.. if not withing 1-2 cents.. but if i'm low I'll just get whatevers close (and cheap)
my buddy (thereaper) has a 60-1 with a .68 and that thing rides out @ 15 psi, and spools quick. Before 4k full spool and hauling ass.. prob 3800 or so.... his has a P trim t4 turbine wheel..
the biggest benifit i've heard from BB turbos is the re-spool after shifts.. it responds much better then a journal bearing turbo. Though on a smaller turbo like the 35r (61mm inducer) its not as noticeable. But with say a 71+ the benefits become much more apparent
shit i just did my buddys 2jz, and I dont remember.. Look at the old ones.. They're a little different. The top of the metal before the spring/rubber one will have a rubber (on the metal as it bends towards the top rubber part) coating the other will not.
IIRC the golds went on the intake side...
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