help with setup
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
help with setup i have a 03 lq4 block but ive changed out the pistons to new lq9s also hve a set of stock l92 heads i just wanted to know what all i need to finish my swap
so far i got heads intake ls2 fuel rail and injectors 90mm tb maf and ftra lid
i know i need the map adapter but is that a good idea using ls2 injectors? also what cam should i go with????
so far i got heads intake ls2 fuel rail and injectors 90mm tb maf and ftra lid
i know i need the map adapter but is that a good idea using ls2 injectors? also what cam should i go with????
L92/LS3 offset intake rockers
L92/LS3 rocker stands
L92/LS3 4.065 head gaskets
Flycut the pistons now so you aren't limited to cam choices.
LS2 injectors are probably not going to be enough, you might want to get them resized if you what some good power. Call FIC, http://fuelinjectorconnection.com
I am running am EPS http://www.engpwrsys.com/ custom cam right now, I did not get it to the dyno or the track in time to get any numbers, our weather went down the tubes.
I have a 234/236 .602/.606 114+3. These are Geoff Skinners proprietary lobes from Comp. I street tuned it and this thing runs great. I had to bump my injectors up because my duty cycle went from 80% to 97%, they are now back at 75%.
L92/LS3 rocker stands
L92/LS3 4.065 head gaskets
Flycut the pistons now so you aren't limited to cam choices.
LS2 injectors are probably not going to be enough, you might want to get them resized if you what some good power. Call FIC, http://fuelinjectorconnection.com
I am running am EPS http://www.engpwrsys.com/ custom cam right now, I did not get it to the dyno or the track in time to get any numbers, our weather went down the tubes.
I have a 234/236 .602/.606 114+3. These are Geoff Skinners proprietary lobes from Comp. I street tuned it and this thing runs great. I had to bump my injectors up because my duty cycle went from 80% to 97%, they are now back at 75%.
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
why do i always see intake rockers what about exh.? also what are price range for some ls3 valves? ive read they are lighter and i dont mind flycutting i want to be high 400s if possible with major tq through my th350
Because of the size of the intake valves in the L92/LS3 heads, the intake rocker is offset shaped so it can reach over to the valve stem. The exhaust is in the same location as the regulator LS1 type head.
The Ls3 valves have hollow stems making them lighter. Try http://sdparts.com for the valves.
The Ls3 valves have hollow stems making them lighter. Try http://sdparts.com for the valves.
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
ygot ya......would i be able to use same rocker bolts or do i need different ones? one more thing..... pushrods i dont have a checker but im i going to need another set i have tsp harden
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
so bolts r good and ill have to check the pushrod length what are the chance of me using a 7.4 again...also i pulled the the fuel rail and injectors off my ls2 intake and the bolts are short they dont seem to mount up correct there is like a space between the fuel rail bracket and intake any idea?
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