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check the clip again.

That seems to be what is most likely, according to the forums. I will check my timing and my gaps. lol Thanks

Ok. I have a 1jz-gte twin with 3.25"downpipe and walbro fuel pump. It seems that after i upgraded my exhaust ( 3.25" downpipe to duel 3" straight through mufflers) my car has started to misfire, this only happens at 6300-6500 rpms. I recently changed my turbos because i was getting heavy smoke...

Nice.

Updates???? You should really think of summarizing this thread so we can see the outcome of this 1.5 build. Did you ever figure out what detonated your 1.5? As of right now what motor setup are you running( rods, pistons ,block, and head) and how many miles are on the motor?

actually now that i thnk about it Driftmotion diagnosed my crank walk. i brought my car to driftmotion to make sure everything was normal, and he noticed my crank pulley was wobbling. and after further inspection found main bearing failure.

i didnt say driftmotion. i said jr autoparts. when i spoke with Vincent(JR autoparts) yesterday he said "driftmotion would buy this clip from him" talking about the motor/trans i bought from him(JR). because Vincent at JR auto parts said he would take back the Clip that i am not happy with, and...

its not only the parts he sells but the way they conduct business. he's a lier and a cheat to the fullest extent. i am sure from his point of view he would hate to lose a returning paying customer. but to some one that Vincent doesnt see a future of making more money or losing money(because he...

i bought a 1jz-gte soarer clip from a place called j and r http://www.jrautoparts.com/toyota_clip1.htm on 5/15/08. i have had nothing but problems with the entire clip. i payed 2600$ for a broken and worn r154, blown turbos, a 1jz-gte with crank walk, with bad alternator, ac pump, power...