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Its pretty dam loud tho. I'm talking about when he backs off the gas - like the bov is taking too long to open properly.... It could be compressor surge "just" before the BOV opens?

Using a Monza SSQ BOV. Running around 12-13psi in the video: http://www.youtube.com/watch?v=EFt05ck2iYg Any thoughts peeps? :1zhelp:

I've yet to hear back from a guy in aussie who's worked on 1G's since day 1. I personally think you are right - GZE having lower compression but I respect Ron and his knowledge. I'll make a call tomorrow. By the way everyone - rebuilt the engine - new rings and GZE pistons in - running 1 bar...

I'm assuming you've done away with the stock radiator fan then?

haha - yeah yeah - there's a few too many. I cant tig weld, and havent had the time to ask a mate to do it :)

The timing I think I have in the car now is less at top end at high boost - around the 16 mark....

I WAS running about 13-14psi - because of the miss I didnt want to go any higher - good thing I didnt I wouldn't have an engine any more... I will be running 20-22psi when I've finished rebuilding my engine

Here's a screen shot of the ignition map:

Yeah. I'll call my domain hoster and find out why. Maybe I missed a payment haha And the miss was caused by number 6 piston being broken. over an inch on the middle and upper ring landings were being held in place by the rings..... As seen in this thread...

Yeah - you'd think that, but I know he IS running a GTE. He is using the GZE CPS and GZE cam covers and I THINK the later model GZE wasted spark coil packs. The fact that he's got an 00b3r poweful 1G in a Gemini should be evidence enough that you shouldn't rely on photo's :nono:

::fundy:: I still beg to differ. A very reliable source (Ron Lange - check toymods forums) who has delt with the 1G a LOT (currently getting 440rwhp from one) has confirmed the GZE is 8.5:1 and GTE is 8:1. If you can get your hands on a set of GZE pistons, measure them and I'll measure the...

Stupidly I didnt take pictures or measure the GZE pistons - but they do appear to have higher compression. The GZE pistons aren't as dished as the GTE's - they're "flatter" with a hump in the middle as well. So I'm still sticking with my story hehe :evil2:

Not from what I'm told.....

I was wrong sorry. the GTE has the lower compression of 8:1 and the GZE has 8.5:1 So I'll have a bit more compression now :)

Yeah. The GZE has smaller big ends I think. Or maybe is the GTE that has smaller - bah i cant remember. I'll find out this weekend tho :P

Yeah. Its always a bit of a hit or a miss really....

Strange thing is I didnt notice anything odd when I changed the rings 2,000km's ago...... But then again I didnt really inspect them properly and I didn't get them crack tested. So yeah - it could have happened ages ago. How's this for backwards, the rings were holding the landings in place...

I did when I put them in. I cant remember what they were. I will check them when I put the GZE pistons in. Hopefully the GZE pistons have the oil return as drilled holes not slotted like those pistons....

They look a bit dis-coloured - so its an old injury - but I dont know how old.

There is a chance it was detonating when I had the VPC in before I got it tuned..... I only had a phone camera at the time. I'll take some macro ones tonight - altho my flash blows out the picture. Well i've never had it hydrolocked. Unless somehow skirtloads of oil entered the bores.