92 GSR Swap help

i have a 92 GSR with a 94 GSR swap and ive been having a problem with it accelerating in 1st 2nd…it seems to sputter/lagg when im on the gas in those 2 gears up to 4500Rpm when vtec engages it goes away…theres no CEL and i just replaced plugs/wires/clutch/TPS…any help on what i could be?

Bad coolant temp sensor mabie. Also have your fuel injectors checked.

what’s your fuel pressure at? compression test? what ecu?