Mr.Mk1 Posted July 28, 2004 Share Posted July 28, 2004 Hey all, Finally bought a 1600 for the scort, needs some rings, exhaust man/extractors and my 32 weber on manifold - $100. Im pretty hard up and dont wanna go hard boring it n shit yet, but ive heard about putting 1300 pistons in the 1600s and it raises the compression ratio? Just happen to have a spare 1300 now and was wondering if its worth doing... Mechanicals arent a prob and i can handle most things. Do i have to swap the whole piston and connecting rod or can i get away with putting the piston on the 1600 rods (are they the same size in other words!) Im sure ill come up with new questions so keep checkin back Quote Link to comment Share on other sites More sharing options...
Pushrod Posted July 29, 2004 Share Posted July 29, 2004 yep it does up the compression ratio and fit them to the 1600 rods as the bore size stays the same but the stroke is different. It depends what your after really 1300 pistons crack under the extra pressure ive seen much better gains from rebuilding the bottom end standard and focus the money on head work a good cam and re jet the carby is it a 711M block ? Quote Link to comment Share on other sites More sharing options...
Toucan Posted July 29, 2004 Share Posted July 29, 2004 I would definately say use the 1600 rods, they are about an inch longer than the 1300 ones. I was going to do that but my 1300 pistons were oversize and just out of round (or so I was told) so make sure the 1300 pistons you use are the right size/good condition. Quote Link to comment Share on other sites More sharing options...
jaymz Posted July 29, 2004 Share Posted July 29, 2004 Yeah il'd have to agree with pushrod, I have going to do that to my 1600 but got put off it for some reason, can't remember why but i got my head worked and that will raise the compression, a good set of carbs (sidedraft if you can find/afford them), race cam and you got enough power for the street. I re-ringed mine too havn't stuck it back together yet but will let you know how it goes when it's done. should be bout 2 weeks and my esky will get born again!!! Quote Link to comment Share on other sites More sharing options...
Pushrod Posted August 1, 2004 Share Posted August 1, 2004 If it's your first time rebuilding a kent engine a good book to read is tuning the kent crossflow engine i forget who its by but its got a whole lot of really good info on how to get the best out of your engine i got mine a few years ago from tech books in new market Keep us posted on how the build goes Quote Link to comment Share on other sites More sharing options...
Mr.Mk1 Posted August 1, 2004 Author Share Posted August 1, 2004 Is that David Vizard's book or John and Peter Wallage's? Ive heard about them but cant spent that $ on a book when i could buy essentials for the engine its self! I will keep yaz posted too! Quote Link to comment Share on other sites More sharing options...
trunk-rattlin Posted August 1, 2004 Share Posted August 1, 2004 and ill keep you fullas posted. ya'll should know what i got now....... Quote Link to comment Share on other sites More sharing options...
two_days_late Posted August 2, 2004 Share Posted August 2, 2004 definatly use the 1600 rods man, youd be alot better off getting new oversized 1300 pistons and reboring the block. you can run double head gaskets to bring the compression slightly back down so you dont blow it to bits. the only differnce between the 1600 and 1300 pistons is the bowl size im told, so by having a smaller bowl it cranks the compression Quote Link to comment Share on other sites More sharing options...
Mr.Mk1 Posted August 2, 2004 Author Share Posted August 2, 2004 http://members.dodo.net.au/~craezor/ One tidy as mofo mk1--------- Duznt fit the topic, but ill use my own thread! Quote Link to comment Share on other sites More sharing options...
Guest scort van man Posted September 13, 2004 Share Posted September 13, 2004 wen i built my 1600 mexico engine i used the 1600 crank shaft with 1100 rodz an 1300 pistonz wich put it 2 1800 an it went f****n hard but i think the mexico blockz r different Quote Link to comment Share on other sites More sharing options...
peteretep Posted September 14, 2004 Share Posted September 14, 2004 mexico blocks are the same they r just more tuned but u can get a engine guy to make a standard 1600 to mexico spec Quote Link to comment Share on other sites More sharing options...
kyteler Posted September 14, 2004 Share Posted September 14, 2004 I've got an old 1100 Kent in the shed if anyone wants me to rip it open and get the rods out. Quote Link to comment Share on other sites More sharing options...
Guest ol_skool_esky Posted January 16, 2005 Share Posted January 16, 2005 my 1600 has the 1300 pistons in it..... but i'm really interested in the 1100 rods to make it an 1800.... that would save boring it out to 1800 either u culd do both and make it a 2ltr or jst make it an 1800!!!!! yeah is that actually possible to make it 1800 by doin that??? but i thort u could only make it 1800 by boring it out.... becuz the cc's r measured wen pistons are out and the four cyls equal 1600cc or wat ever....... Quote Link to comment Share on other sites More sharing options...
Jerm Posted January 16, 2005 Share Posted January 16, 2005 idon't think its possible aye...never heard of it being done... even the guys that bore it out don't make it 1800 usually 1760 Quote Link to comment Share on other sites More sharing options...
Bistro Posted January 17, 2005 Share Posted January 17, 2005 even if you did use the 1100 rods you're still gonna going to have to stroke the crank. ie, say the 1100 conrods are shorter, and you put them in, the cc rating will be the same. but if you stroked the crank then you would need new conrods anyway?? (im thinking of machinie the journals in the crank to give it strokage, then a conrod with a smaller big-end??. that or a whole new crang with a bigger stroke?? is someone able to confirm my theory before i confuse myself lol ) Quote Link to comment Share on other sites More sharing options...
Guest ol_skool_esky Posted January 17, 2005 Share Posted January 17, 2005 yeah i didn't think you could change the cc rating by putting 1100 connys in.... Quote Link to comment Share on other sites More sharing options...
esky boi Posted February 18, 2005 Share Posted February 18, 2005 two_days_late wrote: you can run double head gaskets to bring the compression slightly back down so you dont blow it to bits. the only differnce between the 1600 and 1300 pistons is the bowl size im told, so by having a smaller bowl it cranks the compression How much compression can the standard 1300 pistons (not forged) reliably take anyway? about 11:1 ish?? Quote Link to comment Share on other sites More sharing options...
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