L61 questions, need help quick - Performance Forum

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L61 questions, need help quick
Sunday, June 15, 2008 5:22 PM
is the l61 a zero clearance engine?

Re: L61 questions, need help quick
Sunday, June 15, 2008 6:03 PM
if you are talking about an interference engine, yes it is. if the timing is off valves and pistons will hit



The one, the only, ME.
2340 lbs without me and dropping
141 hp @ 6300 (ran out of rpms)
123 ft lbs @ 5200
running lean on stock ECU
megasquirt here i come
Re: L61 questions, need help quick
Sunday, June 15, 2008 6:18 PM
damn! thanks man.
Re: L61 questions, need help quick
Sunday, June 15, 2008 7:19 PM
I think all engines put into J's are interference motors are they not? I know the 2.2l OHV, 2200 LN2, and the Eco are...is the LD9?



Buildin' n' Boostin for 08' - Alex Richards
Re: L61 questions, need help quick
Sunday, June 15, 2008 8:41 PM
im just trying to rule out all the possibilities before i pull the head, but now looks like i have no choice
Re: L61 questions, need help quick
Sunday, June 15, 2008 9:34 PM
Just do a compression check or better yet, pull the valve cover and see if any valves are stuck open and not supposed to be (rocker of that valve will be on base circle of cam lobe but valve will be stuck open) That will tell you if you have a bent valve.



Buildin' n' Boostin for 08' - Alex Richards
Re: L61 questions, need help quick
Monday, June 16, 2008 8:04 AM
good idea, thanks man
Re: L61 questions, need help quick
Monday, June 16, 2008 8:13 AM
allready had the valve cover off, went and checked and couldn't see any stuck valves. would the timing chain guide cause it to lose tension enough to jump timing if said timing chain guide was destroyed?
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