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Underbody braces, turbos and more!

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PostPosted: Thu Mar 11, 2004 12:13 pm 
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Senior Swift Guru

Joined: Sun Sep 02, 2001 11:55 am
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Location: Calgary, Alberta
Planning on copying the 1.6 "Vitara/1.6 Swift/" pistons into a forged version. Theoretical compression is 8.6:1 and the 1 mm over-bore will provide more 'quench' area and just in general... should be a good way to go (same pin diameter).

If anybody else is interested, let me know while I'm talking to the guys.


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 Post subject: PRICE
PostPosted: Thu Mar 11, 2004 1:16 pm 
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Joined: Tue Jan 29, 2002 7:41 pm
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Location: Armstrong British Columbia
if price is right i will grab a set

who's building them?

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89' Swift GTi Road Race car - 130hp NA - Helical Torsion Diff, 4.71 final Gti guts


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PostPosted: Thu Mar 11, 2004 1:34 pm 
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I'm going to go Wiseco on this one. They are generally quite helpful. The more we get of the same kind, the cheaper it would be. I'll post a price when I get reply based on some numbers. Their jobber price is usually pretty good.


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PostPosted: Thu Mar 11, 2004 2:32 pm 
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don't the 1.6 pistons need a bit of extra machining to the valve dimples ?
how would they upset the balance of the engine ? i remember you being somewhat concerned about the slight difference between the cultus bits being mixed w/ your stock stuff for that reason ?

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'92 Swift GT, '94 Swift GT, '88 Turbo Sprint, '98 Swift ... all sold years ago


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PostPosted: Thu Mar 11, 2004 4:23 pm 
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if we're having them made, we can make them the same weight as the stock GTi pistons. The cast 1.6 pistons are indeed a little lighter than I would want to use... unless the person is planning on using them in a 1.6 motor, then... we'll make them the same weight as a 1.6 piston. :)

The 16 valve 1.6 pistons have valve cut-outs on them that work just fine to my knowledge. The turbo3 pistons need to have it fly-cut just as an 8 valve version would.


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 Post subject: pistons
PostPosted: Thu Mar 11, 2004 5:02 pm 
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i just thought...

i am in IF
-the pistons have the same deck height as stock gti pistons.
-have the 4 valve cut outs
-close to same mass as stock <and close within .5% of each other
-ring lands further down the piston then stock

is this too much to ask?

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89' Swift GTi Road Race car - 130hp NA - Helical Torsion Diff, 4.71 final Gti guts


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 Post subject:
PostPosted: Fri Mar 12, 2004 3:13 pm 
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the pistons will retain the 4 valve cut-outs,

I would like to keep the same deck height... almost tempting to raise it, but I'll save trial and error for another day. What is the difference in deck height again? .5mm-1mm? I must sort through old papers for this.

Mass I would also like stock-ish...

The ring land spacing I do believe is fine though. I've gotten the opinion of a few different gurus on this. I know other turbo cars running similar spacing... I think main problem with current set up is just from detonation or inability to handle the heat.

Price is still early as making little changes may up the price a bit, but it should be between 80-95USD each. 100-125CDN each. Plus shipping and all that. Just have to send him some more specs... can someone post up the compression heights so I don't have to search or re-measure.


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PostPosted: Fri Mar 12, 2004 3:23 pm 
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actually I guess if they are going to raise compression height back to stock we can just leave the rings where they are.


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 Post subject:
PostPosted: Mon Apr 19, 2004 3:11 pm 
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Let me get this right as I am a newbie to this site. I am in if let me get this right; i have a g13 dohc engine if I do a 1 mm overbore these will fit and give me a 8.6 cr? I am building my 4th Swift GT and first boosted one and want to do it right. I have seen so much conflicting info on this subject with these cars. I have owned and built 2 swapped boosted H*%#!s before and love my little 1.3 more. Its different and nobody likes getting there a** whipped by a glorified Metro either :owned: . I have 5 vehicles but bang for the buck my SSGT wins, especially with these gas prices. Thanx for your help let me know specifics about price usability and timeframe as I just popped my gal on the juice :cry: and want to get her back on the road ASAP.


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 Post subject: ANOTHER JOB
PostPosted: Sun Apr 25, 2004 2:15 am 
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Location: SAN JOSE
I PUT IN MY ENGINE G13B A 1992 HONDA CIVIC 1.6 NON DOHC VTEC
HIGH CONPRESSION PISTONS AND IT WORKS REALLY REALLY GOOD. I
HAVE TO DO A LITTLE WORK IN THE TOP OF THE PISTONS AND OPEN
THE SHORT BLOCK. YOU FEEL A LOT THE POWER FROM 4500 RPM UNTIL 7200RPM. :D


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 Post subject:
PostPosted: Sun Apr 25, 2004 6:21 am 
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^^^ Welcome to the board buddy :D Could ya maybe turn the caps off when your posting? It's not really nice forum etiquette :P

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PostPosted: Sun Apr 25, 2004 8:52 pm 
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Always acting like the boss. Give the guy a break hes new, and is saying something important. jeez :roll:


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 Post subject:
PostPosted: Sun Apr 25, 2004 10:02 pm 
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TRIPLE-R wrote:
Always acting like the boss. Give the guy a break hes new, and is saying something important. jeez :roll:

M is a moderator, thanks for slamming the guy for helping keep this forum rolling smoothly.

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'92 Swift GT, '94 Swift GT, '88 Turbo Sprint, '98 Swift ... all sold years ago


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 Post subject:
PostPosted: Mon Apr 26, 2004 12:45 pm 
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n1tr0 wrote:
TRIPLE-R wrote:
Always acting like the boss. Give the guy a break hes new, and is saying something important. jeez :roll:

M is a moderator, thanks for slamming the guy for helping keep this forum rolling smoothly.


You are more than welcome, let me know when i can be of help again. :lol:


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 Post subject:
PostPosted: Mon Apr 26, 2004 11:17 pm 
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Any update on these pistons need them badly to finish my girl up.
Frank


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 Post subject: To m
PostPosted: Tue Apr 27, 2004 2:03 am 
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Tanks for the advice bro :D


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 Post subject:
PostPosted: Wed Apr 28, 2004 12:16 pm 
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Location: Calgary, Alberta
If there is still interest I will persue these... I have to send him an email with some more specs if we wish to continue. The unfortunate thing is that stock 1.6 pistons are still hard to find and end up costing close to these, so it would still be nice to have these built. After all, we can't rely on junk-yards for cheap stuff for too much longer.


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 Post subject: about the pistons
PostPosted: Wed Apr 28, 2004 5:46 pm 
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Location: racers paradise
if you guys are looking for pistons talk to adam at the webstore as he has 8.6 comprssion and 11.6 compresstion pistons for sale and they are forged srp/je with wristpins. the price is the same for either one. im running these in my car if you would like some pics of the pistons or some specs on them email me and i can let you know thanks


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 Post subject:
PostPosted: Fri Apr 30, 2004 2:33 am 
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Still interested.


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 Post subject:
PostPosted: Mon May 03, 2004 11:02 pm 
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ttt


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