shep wrote:
just had a read of that thread, some great info in there.
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| High Compression Pistons http://auszookers.com/forum/viewtopic.php?f=5&t=41738 |
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| Author: | SuziBlu [ Fri Jul 05, 2013 2:03 pm ] |
| Post subject: | High Compression Pistons |
Anyone use them, reports good or bad, brands. I want to raise my compression to around 11-1, there are a few ways, but high comp pistons would be the easiest, trouble is, the only ones I have found so far are pretty Exxy. Set of quality con-rods, pistons n rings, bit over AUD 2,000, then still bearings etc. |
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| Author: | 31zook [ Fri Jul 05, 2013 2:24 pm ] |
| Post subject: | Re: High Compression Pistons |
The high comp pistons I used were from LROR. Mart used YZ125 pistons I believe |
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| Author: | SuziBlu [ Fri Jul 05, 2013 2:30 pm ] |
| Post subject: | Re: High Compression Pistons |
Are they ok ? Did you get what was expected from them ? Im doing up my donk, the cam and springs are sitting at home, the head is in Adelaide being ported n polished with oversized valves and a 3 angle valve job. Have to get the cam to him to get it all matched is all. Has been told to me, by head man, that if I want to get this running as good as it can, up compression to the 11 to 11.5-1 mark |
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| Author: | sideways [ Fri Jul 05, 2013 2:34 pm ] |
| Post subject: | Re: High Compression Pistons |
Isn't yours a G16a? |
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| Author: | SuziBlu [ Fri Jul 05, 2013 2:36 pm ] |
| Post subject: | Re: High Compression Pistons |
yes, looking for high comp pistons on LROR site, only has 1.3 ones, or so I can find. |
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| Author: | sideways [ Fri Jul 05, 2013 2:41 pm ] |
| Post subject: | Re: High Compression Pistons |
Yeah, Josh had a 1.3. I can't see any G16a high comp stuff either. |
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| Author: | Matthew [ Fri Jul 05, 2013 2:45 pm ] |
| Post subject: | Re: High Compression Pistons |
How much compression could be gained by skimming the head, if any at all? Have a look on redline, they should have a few threads about high comp pistons. |
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| Author: | Davidmacca [ Fri Jul 05, 2013 2:46 pm ] |
| Post subject: | Re: High Compression Pistons |
Off topic but how much roughly did it cost to get the head work done as I'm thinking of doing some head work to mine |
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| Author: | SuziBlu [ Fri Jul 05, 2013 2:51 pm ] |
| Post subject: | Re: High Compression Pistons |
Hant been done yet, have to get the cam to them, but a basic port and polish, reseat valves is around 400, a told the G series heads are a bad performer, and a port and polish really livens them up. Mine all up will be over the grand mark id say. |
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| Author: | SuziBlu [ Fri Jul 05, 2013 2:52 pm ] |
| Post subject: | Re: High Compression Pistons |
Matthew wrote: How much compression could be gained by skimming the head, if any at all? Have a look on redline, they should have a few threads about high comp pistons. My understanding is, very little, have been known to be wrong now and then but. This is why Im going down the high com piston road, would love to think its just a shave, wonderfully cheap by comparison. |
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| Author: | atari4x4 [ Fri Jul 05, 2013 2:54 pm ] |
| Post subject: | Re: High Compression Pistons |
Send the whole lot to Tony at Knight Engines, for a complete build rather than get the head done at one spot & the bottom end at another. The dude is a genius!!! |
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| Author: | SuziBlu [ Fri Jul 05, 2013 3:11 pm ] |
| Post subject: | Re: High Compression Pistons |
Got him, ringing now |
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| Author: | atari4x4 [ Fri Jul 05, 2013 3:13 pm ] |
| Post subject: | Re: High Compression Pistons |
Will be money well spent, I can guarantee you that. |
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| Author: | SuziBlu [ Fri Jul 05, 2013 3:21 pm ] |
| Post subject: | Re: High Compression Pistons |
costing a bucket load now, in for a penny in for a pound. May take the car over and have someone fit the big carbs as well. Thatd be reeeeel nice, should make lots of brooom then. |
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| Author: | royce [ Fri Jul 05, 2013 3:35 pm ] |
| Post subject: | Re: High Compression Pistons |
Honda guys use G16 pistons to lower compression in their Turbo Vtec Yo! things, perhaps some kind of Honda piston will work? |
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| Author: | tassie jeeper [ Fri Jul 05, 2013 3:36 pm ] |
| Post subject: | Re: High Compression Pistons |
wonder if 4x's FCR40's would make a big difference? |
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| Author: | sideways [ Fri Jul 05, 2013 3:39 pm ] |
| Post subject: | Re: High Compression Pistons |
Tony will sort you out! If you're going to invest that much in it it'd be worth getting Tony a G16b or G13b (as well as your G16a) head to compare which has the most potential. I'm sure you could pick up a cracked G16b head for next to nothing. Just to compare G16a and G16b would be very interesting and could pick you up a number of ponies. But who knows, you could find the G16a head has more power potential. |
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| Author: | atari4x4 [ Fri Jul 05, 2013 3:55 pm ] |
| Post subject: | Re: High Compression Pistons |
tassie jeeper wrote: wonder if 4x's FCR40's would make a big difference? I'd just use the twin 40mm DCOE's he's got for it!! Tony won't be cheap but will be money well spent. Will be interesting to see what he does to the top end. I'm assuming you're having the bottom end fully build seeing you're looking at pistons? |
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| Author: | shep [ Fri Jul 05, 2013 4:17 pm ] |
| Post subject: | Re: High Compression Pistons |
Might be worth a read http://www.pirate4x4.com/forum/suzuki/6 ... heads.html |
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| Author: | 31zook [ Fri Jul 05, 2013 4:41 pm ] |
| Post subject: | Re: High Compression Pistons |
Ahh, sorry I'm a noob. I had my entire head rebuilt (down to replacing the rocker rods) and it cost $380 |
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| Author: | SuziBlu [ Fri Jul 05, 2013 4:46 pm ] |
| Post subject: | Re: High Compression Pistons |
atari4x4 wrote: I'm assuming you're having the bottom end fully build seeing you're looking at pistons? Be a waste of money if I didnt hey, all it would be is a hand grenade. I want to not only get there, but most importantly, get back. |
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| Author: | atari4x4 [ Fri Jul 05, 2013 4:53 pm ] |
| Post subject: | Re: High Compression Pistons |
31zook wrote: Ahh, sorry I'm a noob. I had my entire head rebuilt (down to replacing the rocker rods) and it cost $380 was it ported & flow tested? as that's where the man hours & dollars go, a simple recon & freshen up is usually pretty cheap. seeing SuziBlu has gone all out with carbs & cam etc, might as well build the rest to suit. some of Tony's work can be seen here: http://performanceforums.com/forums/sho ... ght=merlin http://performanceforums.com/forums/sho ... highlight= http://performanceforums.com/forums/sho ... highlight= http://performanceforums.com/forums/sho ... highlight= Years ago he build a motor for a friend and it was just pure awesomeness, still gets around today & hasn't been touched since it was bolted into the car. |
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| Author: | sideways [ Fri Jul 05, 2013 5:31 pm ] |
| Post subject: | Re: High Compression Pistons |
This is one of my favorites of his. http://performanceforums.com/forums/sho ... f-the-game |
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| Author: | atari4x4 [ Sat Jul 06, 2013 2:13 am ] |
| Post subject: | Re: High Compression Pistons |
shep wrote: just had a read of that thread, some great info in there.
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| Author: | atari4x4 [ Thu Jul 11, 2013 12:19 am ] |
| Post subject: | Re: High Compression Pistons |
sideways wrote: hahaha that's crazy, hows the dedication to the cause!  this is very similar to the one he screwed together for my mate years ago, L24 monster in a datto 1600 with twin webers, though this one is fuel infected. http://performanceforums.com/forums/sho ... 56k-LOL%29 |
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