L92 heads?
L92 heads? Ok right now i have 2.5 5.3 heads on a lq4.My questions is it worth it to swap to L92 heads.I think the l92s will give me room to go but what do you guys think?
The guy i just bought my shortblock from has a set half ported with springs tit ret. valves everything plus intake with rails injectors,tb for sale if your interested all brand new with reciepts let me know ill get you his number
The only issue with putting the L92's on an LQ4 short-block is the compression drop. You're going back down to about 9.5:1 static compression or so (before milling and thin gaskets of course). What camshaft are you running?
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With that compression, and depending on which bolt-ons you have exactly, I'd consider our Texas Speed 225/230 LS3 cam or similar!
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Cam Car has full intake and full exhaust.Matt how would i use that cam in my set up would i have to swap to an ls2 front timing cover so that the cam postion sensor will work
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All you have to do is tell them what application the cam is for, and they'll set you up with what you need. Because I have their 231/236 cam for an LS3/L92 in my LQ4. They'll just have it ground on a Gen III 3 camshaft, instead of a Gen IV.
When you order, we just indicate it is a 3 bolt cam core and everything, including the stock location cam position sensor, will work perfectly!
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COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
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11 Second Club
Joined: Apr 2010
Posts: 36
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From: Fishers, IN
dont overlook what Matt said above about compression... personally i think youd be putting a lot of money in while getting very little out. in addition to the heads, you will need a new intake manifold so get ready to do the 'full intake' again. The heads will flow a ton but with the killed compression i think you may come out even on power and possibly down on torque with those huge gaping intake ports killing velocity.
11 Second Club
Joined: Apr 2010
Posts: 36
Likes: 0
From: Fishers, IN
LQ4 pistons have a dish, right?
watch getting a big cam anyway... my cam did not have enough clearance with my LS2 bottom end unless my L92s were unmilled and using a GM .052 gasket
good luck
watch getting a big cam anyway... my cam did not have enough clearance with my LS2 bottom end unless my L92s were unmilled and using a GM .052 gasket
good luck
