Next big mod for my b20 hows sum help peeps

Duvash-zn

New Member
so i have all the normal bits for my b20 vtec ,std bottom,skim vtec b16a head,got stage 1 spec 3 cams , management ,ect makes 204whp here in durban south africa, thinking if i go post inserts on block,itr girdle and gaurds, high comp pistons,rods,bolts ect,and mayb skunk2 pro 2's with rev kit is a good idea to go 50mm itb's? ryt nw my car starving for air ,ryt nw i cut off @ 8100rpm ,with the block mods i wud say 9200 to b safe,but the demand for air will b super high so will the itb's help? and suggestions thanx=)
 

MistahJuice

100% real juice
Registered VIP
5+ Year Member
10+ Year Member
Sounds good. All u need is higher comp pistons maybe some good rods if you actually wanna rev over 9k in It but more importantly good bearings and ARP rod bolts if your gonna want to rev like that. Ypu may also want to do some research about the B20 sleeves at that RPM. Also if you upgrade to skunk2 pros or any bigger cam you'll need better valvesprings and retainers. I roll on skunk2 springs and crower chromoly retainers since I heard goods and bads about the longevity of titanium retainers. Don't go ITBs unless your building a race motor only, just research skunk2/edelbrock/itr manifolds on b20v and figure out which one gives you the best bang. I wanna say the victor x turbo manifold is supposed to work out well with the b20 from why I accidentally found doing my research but don't wrote me on that. If you really want more flow just get a skunk2 mani and get the head port n polished and same with the manifold. What header and diameter exhaust do you have?
 

Duvash-zn

New Member
std mani bru,heard bad things abt skunk mani's as they dont make any diff, std vtec head ports are huge ,more on the lines of chamber work vlaves and valve train,i might think of going avgas but ,its such a bother here in sa the cops are strict , shot fore your advice bru, hws cali? wat you driving ?
 




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