Todd2

Hey all you ecotec fanatics .
So ... I run these engines in offroad cars . My current combination is a 88 mm sleeved gen 1 block with stock 2.2 crank , Eagle 2.2 rods , Je low compression pistons , Arp studs and 82 lb springs in a stock cammed L61 head . The forced induction side is a tubular turbo manifold with a external wastegate and T 3-4 turbo ... feeding a air to air intercooler , Tial blow off valve and fabbed intake , 75 mm throttle body , external thermostaticly controlled oil cooler .

Electronics controlled by a mefi 4 . standalone harness .

During my last trip to the dunes my canister style air filter failed and i basically dusted the motor ! So that leads me to pose a question to all of you here !
I have the above combo that put down 350 rwhp @ 12 psi. , and 3 other engines sitting on the garage floor ....a 2.4 Le5 , 2.0 b207 , 2.0 Lnf .
My goal is to build a whole new combo and complete new forced induction system , harness and standalone gm Ecm. The h.p. target being 400 + rwhp

My first instinct was to freshen up my current bottom end and install the Lnf head as i would like to run the VVT , direct injection . The question I have is.... does the Gen 1 block have the proper oil galleys / feed for the VVT . and if doesn't ....can it be drilled to run it ?

exninja

iTrader: (1)

I'm pretty sure the LNF head would not work on the L61 block...but the bigger question is if you have an LNF block why not just use that? You're going to be gutting the L61 anyways, and the LNF pistons are also specially formed for DI so you'd want those. A big hurdle, though, is that "standalone" GM ECU for the LNF doesn't really work. There isn't a way (that I know of) to run it without a BCM.

Todd2

I appreciate that . I will be installing 88 mm D.I .forged pistons ! We have been running LEA 2.4 with gm E92 controllers , standalone ...... that's not an issue !
Possibly i should run a 2.0 crank in the 2.4 block with a new rods and pistons .