Hi all
Been reading up alot, especially LotusElise , Lotus and K20actr.J threads
Also been digging through the internetzzz and looking at different possible k20 stroker combinations/kits.
Please dont talk about k24 cuz that's not an option I want to pursue.
So....
the standard stroker kits in the market today are...
(crank stroke, rod length, piston height)
BC > 92mm crank, 140mm rods and by reverse calculating from 212mm deck height, 26mm pistons
TODA > 90.7mm crank, 138mm rods (from website), and by assumption 28mm pistons (not sure about this, anyone can confirm?), leaving a deck height of 211.35mm
ZRP > 93mm crank, 135.5mm rods, 30mm pistons, achieves 212 deck height
InlinePro's rods + f22c1 crank + stock pistons > 90.7mm crank, 136.65mm rods, 30mm pistons, achieves 212mm deck height
clockwise motion > 92mm crank, 139mm rods, 27mm pistons, achieves 212mm deck height
not putting rod ratios down as i forgot how to calculate and realllyyyyyy dont wna go find it and do it over again
SO!
136.65mm rods dont exist except for these ads
https://www.part-box.com/bw-billet-4340-rod-set-h-beam-honda-h22-l-136-65mm-4pcs-4-epr-027-01
https://shop.marmotorsport.com/4340-epr-h-beam-rod-honda-h22-13665mm-long-arp2000-bolts-4633-p.asp
which are listings for a H22 rod (by divine grace the rod journal sizing matches the f22c1 and the wrist pin just so happens to be 22mm LOL)
however the bridgeway site http://www.bwcrank.com/product.php does not have this particular item number. unless i email and ask haha.
Dont know where inlinepro are getting their rods from hmmmmmm but I am operating on the assumption they are 136.65 as they mention f22c crank and stock k20 pistons on their item description
the thing that the sets all have in common is their high price tag.
I know and understand that you have to pay to play, but sometimes we wanna feel good that we have managed to get stuff at a good price.
BC, TODA, clockwisemotion are all big money purchases even before thinking about other stuff like cams etc.
Out of all the options I still quite like the idea of a stock honda OEM crank, so the f22c 90.7
it's either
a) 90.7 crank, 136.65 rods (inlinepro or bridgeway email), stock 30mm pistons, 212mm deck height, and call it a day, just like K20actr.J
or
b) 90.7 crank, 139mm rods, and 27mm pistons. this will result in a 211.35mm deck height, 0.65mm off from stock.
Ian from clockwise has been v helpful and mentioned their pistons are designed for tight clearances and will be relatively noiseless in DD usage even though it is 2618 alloy.
Car will see 98% street driving, it's my DD for work/life. Rev to 8.5k
cams will be one of toda a3, prayoonto 2, prayoonto 3 (advise pls? leaning toward toda a3 based on K20actr.J experience)
i will be running a k20z2 block without oil squirters.
i have j37 tb, rrc intake mani, but am limited to stock fd2r exhaust diameter.
hope to see the engine last for 100,000km or for as long as i own the car.
What do you all think? especially Lotus, LotusElise, K20actr.J and whomever has had experiencing with stroked motors. (thanks in advance Marko and Markus)
Welcome discussions,suggestions, advise, flame
cheers
Marko if you see this I hope your k22 elise is destroying everyone haha
Been reading up alot, especially LotusElise , Lotus and K20actr.J threads
Also been digging through the internetzzz and looking at different possible k20 stroker combinations/kits.
Please dont talk about k24 cuz that's not an option I want to pursue.
So....
the standard stroker kits in the market today are...
(crank stroke, rod length, piston height)
BC > 92mm crank, 140mm rods and by reverse calculating from 212mm deck height, 26mm pistons
TODA > 90.7mm crank, 138mm rods (from website), and by assumption 28mm pistons (not sure about this, anyone can confirm?), leaving a deck height of 211.35mm
ZRP > 93mm crank, 135.5mm rods, 30mm pistons, achieves 212 deck height
InlinePro's rods + f22c1 crank + stock pistons > 90.7mm crank, 136.65mm rods, 30mm pistons, achieves 212mm deck height
clockwise motion > 92mm crank, 139mm rods, 27mm pistons, achieves 212mm deck height
not putting rod ratios down as i forgot how to calculate and realllyyyyyy dont wna go find it and do it over again
SO!
136.65mm rods dont exist except for these ads
https://www.part-box.com/bw-billet-4340-rod-set-h-beam-honda-h22-l-136-65mm-4pcs-4-epr-027-01
https://shop.marmotorsport.com/4340-epr-h-beam-rod-honda-h22-13665mm-long-arp2000-bolts-4633-p.asp
which are listings for a H22 rod (by divine grace the rod journal sizing matches the f22c1 and the wrist pin just so happens to be 22mm LOL)
however the bridgeway site http://www.bwcrank.com/product.php does not have this particular item number. unless i email and ask haha.
Dont know where inlinepro are getting their rods from hmmmmmm but I am operating on the assumption they are 136.65 as they mention f22c crank and stock k20 pistons on their item description
the thing that the sets all have in common is their high price tag.
I know and understand that you have to pay to play, but sometimes we wanna feel good that we have managed to get stuff at a good price.
BC, TODA, clockwisemotion are all big money purchases even before thinking about other stuff like cams etc.
Out of all the options I still quite like the idea of a stock honda OEM crank, so the f22c 90.7
it's either
a) 90.7 crank, 136.65 rods (inlinepro or bridgeway email), stock 30mm pistons, 212mm deck height, and call it a day, just like K20actr.J
or
b) 90.7 crank, 139mm rods, and 27mm pistons. this will result in a 211.35mm deck height, 0.65mm off from stock.
Ian from clockwise has been v helpful and mentioned their pistons are designed for tight clearances and will be relatively noiseless in DD usage even though it is 2618 alloy.
Car will see 98% street driving, it's my DD for work/life. Rev to 8.5k
cams will be one of toda a3, prayoonto 2, prayoonto 3 (advise pls? leaning toward toda a3 based on K20actr.J experience)
i will be running a k20z2 block without oil squirters.
i have j37 tb, rrc intake mani, but am limited to stock fd2r exhaust diameter.
hope to see the engine last for 100,000km or for as long as i own the car.
What do you all think? especially Lotus, LotusElise, K20actr.J and whomever has had experiencing with stroked motors. (thanks in advance Marko and Markus)
Welcome discussions,suggestions, advise, flame
cheers
Marko if you see this I hope your k22 elise is destroying everyone haha