Just swapped in a b20vtec into my 93 hatch.

Right before going into vtec car studders as if hitting rev limiter at about 5k rpm. studders about 4-5 times then crosses over into vtec.

any idea what can resolve this issue?

 

anyone...

 

specs on setup please. need to know what ecu and if you have had any type of tuning done yet.

 

no tune. GSR ECU. stock block. cam gears. stock cams.

 

maybe its the dizzy

 

i am no scientist, but everyone who goes b20 with a stock ecu and no tune gets problems like your saying. i would say get uberdata or hondata and also get it tuned. that should fix it

 

U are exactly right. PLugged in a ECU with uberdata and it ran fine. thank u

 

No problem. so how you loving the b20vtec?

 

hella fast...top end is lovely