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Got zzp to change my order to the XPZ cam. I figure if im going to build an m90, might as well go all out. Not sure there is anything left for me to do power wise on it in addition to what i have planned.
Gen 5 SC
2.55 pulley
Meth
Whatever timing i can run without knock
e85
xpz cam
ported heads
136# springs (or the crow cams 150s)
N* TB
FSIC
80# injectors
Called the machine shop my dad uses for his v8 builds, and qas quoted 100 bucks to d o the valve guides and spring seats (if i go Crow springs) It would cost me more than that to buy the tools from Comp .
the only thing I could see you adding is a nitrous kit, but i think you already said you weren't planning on running that. looks like a solid build. any plans for the transmission at the moment?
Alright folks,
Help me pick my springs. On the table are:
Crow Cams 150
Pros: 80 bucks on closeout pricing Proper strength for an XPZ
Cons: require machining of the spring seats.
Manley 150 springs
Pros: no machining, not as expensive as comp cams or PAC, probably work better with Manley retainers i ordered (only ones in stock)
Cons twice the price of the crow springs.
I ran/run Manley 150's on both my xpz builds and haven't had any problems with them. Personally, I'm not fond of comp or crow springs because of all the breakage I've seen. PAC is probably the best.
The 1st one was pretty conservative...I kept shifts around 6k. My current one, I've got transmission problems, but I've taken it to 6700 and power isn't falling off at that point yet.
I have decided on the manley 150s. The question is, do i need to upgrade to the 3/8ths pushrod.
Hi folks, as i get ready to tear the regal down for the Cam/Meth/trans work, ive begun thinking about my fuel system. Primarily weather or not my injectors are enough.
I have 80# Injectors, and a 340LPH pump from AEM. Now under normal circumstances i would expect this to be overkill, but im on e85.
Do i have enough fueling to run the XPZ cam to 6500, along with METH, and a 2.5 inch pulley on the gen 5?
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