hesitation

I have a 1jzvvti from a jzz30/jzx100, stock auto ecu, stock injectors, big holset single, all bolt ons, new bkr7s plugs, maf cleaned, stock coilpacks, tomei fpr, new walbro, safc installed to monitor rpm/knock. When the engine is just fired up and I go through the power band everything works...

Hi All, Getting some hesitation, misfiring and juddering from my sr20 when starting to pull in 2nd 3rd and 4th gears. It seems that when I floor it at around 2.5k revs in 3rd thats when its at its worst. From some scientific go fast testing last night im pretty sure its coil packs and when i...

Iv Not long been drifting and i bought a bmw e36 323i to learn with. iv noticed that when im accelerating harshly throught the rev range my car seems to bog out at around 4k-5k revs then it pulls like a train. i beleive that this is when vanos kicks in and i have been doing some research and...

Morning guys, I've lurked on the forums for some time now researching the S bodies more than anything else. I bought a bit of a dog if I'm honest. I was aware that it was rusty and had a boosting issue but it's one of those cars where the more you dig, the more you find. I'll start up a prog...