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So doing a 5sfte wanting to use just a regular factory map sensor...anyone know of n e alternatives other than 89420-17030. Is the 89421-12111 from the supra just thesame or maybe more suited to run 440cc injectors???
 

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3sgte parts can be found at "prime driven". If you want to make 300+ hp rods, pistons and valves, valve springs are in order. 5S-FE block and lower are just about the same as a 3S-GTE just with an Iron block. I would stick with a gen 1-4 head from a 3sgte and run a standalone ecu so you can do some proper fuel air ratio/ dyno tuning
 

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3sgte parts can be found at "prime driven". If you want to make 300+ hp rods, pistons and valves, valve springs are in order. 5S-FE block and lower are just about the same as a 3S-GTE just with an Iron block. I would stick with a gen 1-4 head from a 3sgte and run a standalone ecu so you can do some proper fuel air ratio/ dyno tuning
also 500cc for 250-400hp or 1000cc 300-700hp injectors. 12:1 or 12.5:1 fuel ratios for higher hp
 
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