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displaying posts 26 to 39 of 39
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| Author | Subject: building a 2.1 - what do you need? |
 hediis
Junior User  Location: Höganäs, Sweden Registered: 07 Feb 2010 Posts: 54 Status: Offline |
Post #26
7200 is the j4rs rev limit iirc. I run my engine to 8200 (or that's my rev limit) ________________________________________ Peugeot 306 GTi-6 -97 (Ph1, blaze) Low n slowPeugeot 306 GTi-6 -97 (Ph1, blaze) Trackday car, 226hp N/A (Engine rebuild right now) Peugeot 306 GTi-6 -00 (Ph3, black) Low n slow |
 Posted 20th Jan 2015 at 19:02
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blandy
Seasoned Pro  Location: Bucks Registered: 25 Feb 2007 Posts: 2,437 Status: Offline |
Post #27
rallyeash wrote: TD steel crank. 88mm S16 pistons and Rods. 86mm Machined pistons if you want to run bigger cams. 2044cc. Fairly easy and cheap build as it's all off the shelf stuff. I've got. TD steel crank 88mm Machined block Forge Pistons 87mm and custom short rods. Cat Cam 109's Maniflow works manifold Jenvey 50mm Dry Sump 2088cc. Not a cheap build. My pistons and rods were £1200 alone. You can use a 2.1 TD steel crank and build a 92mm x 86/87/88mm engine but I'm not sure on the piston rod combo. Even mine wernt off the shelf and made to spec. Great post. What engines can you find the first crank in? Also what scope for cams do the s16 rods/piston combo leave? I.e is there more clearance for interesting cams than the standard gti6 clearance for instance? |
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Posted 20th Jan 2015 at 19:35
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Mossy1985
Senior User  Location: Darlington Registered: 04 Nov 2014 Posts: 545 Status: Offline |
Post #28
^^^^A man looking at the same as me  |
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Posted 20th Jan 2015 at 19:44
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #29
blandy wrote: rallyeash wrote: TD steel crank. 88mm S16 pistons and Rods. 86mm Machined pistons if you want to run bigger cams. 2044cc. Fairly easy and cheap build as it's all off the shelf stuff. I've got. TD steel crank 88mm Machined block Forge Pistons 87mm and custom short rods. Cat Cam 109's Maniflow works manifold Jenvey 50mm Dry Sump 2088cc. Not a cheap build. My pistons and rods were £1200 alone. You can use a 2.1 TD steel crank and build a 92mm x 86/87/88mm engine but I'm not sure on the piston rod combo. Even mine wernt off the shelf and made to spec. Great post. What engines can you find the first crank in? Also what scope for cams do the s16 rods/piston combo leave? I.e is there more clearance for interesting cams than the standard gti6 clearance for instance? a 1.9 TD  :S16 does have larger cutouts but once you add 2mm to the stroke you lose a mm off the max you can open the valves at TDC, you're still looking at about 2.7 mm on the exhaust and 3.3 on the inlet! They are also hefty buggers and most likely worn out now. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 20th Jan 2015 at 19:47
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buzzbrightyear
Seasoned Pro  Location: hiding all receipts for car Registered: 09 Jul 2008 Posts: 11,894 Status: Offline |
Post #30
Do you think the weight of them helps to add the extra torque aswell as the extra capacity or just the extra capacity?I was Just thinking the extra weight spinning around/ the added inertia could add extra torque if that makes any sense just like having a heavier flywheel makes less engine braking eg ________________________________________ andrew315rawson@live.co.ukMoonstone phase 7 gti6 My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1 |
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Posted 20th Jan 2015 at 20:10
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hediis
Junior User Location: Höganäs, Sweden Registered: 07 Feb 2010 Posts: 54 Status: Offline |
Post #31
The CR will be like 12:1 if I remember correctly. If u use an 1.2mm head gasket.________________________________________ Peugeot 306 GTi-6 -97 (Ph1, blaze) Low n slowPeugeot 306 GTi-6 -97 (Ph1, blaze) Trackday car, 226hp N/A (Engine rebuild right now) Peugeot 306 GTi-6 -00 (Ph3, black) Low n slow |
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Posted 20th Jan 2015 at 20:05
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barrym
Senior User  Location: Westcliff-on-sea Registered: 26 Jun 2014 Posts: 502 Status: Offline |
Post #32
weight or rotating mass does not make torque. You will only get out what you put in. A flywheel is a storage device________________________________________ China D Turbo HDi daily chargerBlack Rallye occassional toy |
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Posted 20th Jan 2015 at 20:11
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adam b
Seasoned Pro  Location: The Nam Registered: 24 Jan 2006 Posts: 12,828 Status: Offline |
Post #33
hediis wrote: 7200 is the j4rs rev limit iirc. I run my engine to 8200 (or that's my rev limit) Solid lifters then I guess? ________________________________________ Nothing to see here |
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Posted 20th Jan 2015 at 20:11
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Mossy1985
Senior User Location: Darlington Registered: 04 Nov 2014 Posts: 545 Status: Offline |
Post #34
welshpug! wrote: blandy wrote: rallyeash wrote: TD steel crank. 88mm S16 pistons and Rods. 86mm Machined pistons if you want to run bigger cams. 2044cc. Fairly easy and cheap build as it's all off the shelf stuff. I've got. TD steel crank 88mm Machined block Forge Pistons 87mm and custom short rods. Cat Cam 109's Maniflow works manifold Jenvey 50mm Dry Sump 2088cc. Not a cheap build. My pistons and rods were £1200 alone. You can use a 2.1 TD steel crank and build a 92mm x 86/87/88mm engine but I'm not sure on the piston rod combo. Even mine wernt off the shelf and made to spec. Great post. What engines can you find the first crank in? Also what scope for cams do the s16 rods/piston combo leave? I.e is there more clearance for interesting cams than the standard gti6 clearance for instance? a 1.9 TD :S16 does have larger cutouts but once you add 2mm to the stroke you lose a mm off the max you can open the valves at TDC, you're still looking at about 2.7 mm on the exhaust and 3.3 on the inlet! They are also hefty buggers and most likely worn out now. So are the s16 rods and pistons the best combo to use from a standard engine before you start looking at aftermarket pistons? |
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Posted 20th Jan 2015 at 20:14
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buzzbrightyear
Seasoned Pro Location: hiding all receipts for car Registered: 09 Jul 2008 Posts: 11,894 Status: Offline |
Post #35
barrym wrote: weight or rotating mass does not make torque. You will only get out what you put in. A flywheel is a storage device I mean the crank will the extra weight of that give torque or just the added capacity? ________________________________________ andrew315rawson@live.co.ukMoonstone phase 7 gti6 My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1 |
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Posted 20th Jan 2015 at 20:17
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hediis
Junior User Location: Höganäs, Sweden Registered: 07 Feb 2010 Posts: 54 Status: Offline |
Post #36
buzzbrightyear wrote: Do you think the weight of them helps to add the extra torque aswell as the extra capacity or just the extra capacity? I was Just thinking the extra weight spinning around/ the added inertia could add extra torque if that makes any sense just like having a heavier flywheel makes less engine braking eg The xud9 crank is lighter than xu10 crank because the xud9 only have 4 counter weights ________________________________________ Peugeot 306 GTi-6 -97 (Ph1, blaze) Low n slowPeugeot 306 GTi-6 -97 (Ph1, blaze) Trackday car, 226hp N/A (Engine rebuild right now) Peugeot 306 GTi-6 -00 (Ph3, black) Low n slow |
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Posted 20th Jan 2015 at 20:21
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hediis
Junior User Location: Höganäs, Sweden Registered: 07 Feb 2010 Posts: 54 Status: Offline |
Post #37
adam b wrote: hediis wrote: 7200 is the j4rs rev limit iirc. I run my engine to 8200 (or that's my rev limit) Solid lifters then I guess? No, I use OEM hydraulic lifters ________________________________________ Peugeot 306 GTi-6 -97 (Ph1, blaze) Low n slowPeugeot 306 GTi-6 -97 (Ph1, blaze) Trackday car, 226hp N/A (Engine rebuild right now) Peugeot 306 GTi-6 -00 (Ph3, black) Low n slow |
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Posted 20th Jan 2015 at 20:22
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barrym
Senior User Location: Westcliff-on-sea Registered: 26 Jun 2014 Posts: 502 Status: Offline |
Post #38
buzzbrightyear wrote: barrym wrote: weight or rotating mass does not make torque. You will only get out what you put in. A flywheel is a storage device I mean the crank will the extra weight of that give torque or just the added capacity? No. The weight will make no difference. The throw will. ________________________________________ China D Turbo HDi daily chargerBlack Rallye occassional toy |
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Posted 20th Jan 2015 at 20:27
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buzzbrightyear
Seasoned Pro Location: hiding all receipts for car Registered: 09 Jul 2008 Posts: 11,894 Status: Offline |
Post #39
________________________________________ andrew315rawson@live.co.ukMoonstone phase 7 gti6 My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1 |
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Posted 20th Jan 2015 at 20:34
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