What mods to add from this point
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From: CroSSby, TexaSS
What mods to add from this point I ran a new personal best last friday in the 1/4 mile. See sig.
Trapped 119mph, shifting at 6800 RPM on a 28" drag radial with 3.70 gearing on a 9" rear end. Buddy of mine mentioned it would be cool to break into the 10's on motor fullweight before my 4l80e went in. So, Im debating Heads and underdrive pulley and possibly getting my fast 92 ported. The heads I have right now are stock un milled 243's with minor pocket work. Sooo... I'm open to ideas on heads that could knock my ET down lower and hold up to a 200-250 shot of nitrous
The motor in question is my 370ci lq4.. I don't mind bumping up the compression up at all. I have -4 reliefs in the pistons.
so... Sponsors... What heads should I look at? I feel that the Heads on my motor are holding me back.
Trapped 119mph, shifting at 6800 RPM on a 28" drag radial with 3.70 gearing on a 9" rear end. Buddy of mine mentioned it would be cool to break into the 10's on motor fullweight before my 4l80e went in. So, Im debating Heads and underdrive pulley and possibly getting my fast 92 ported. The heads I have right now are stock un milled 243's with minor pocket work. Sooo... I'm open to ideas on heads that could knock my ET down lower and hold up to a 200-250 shot of nitrous
The motor in question is my 370ci lq4.. I don't mind bumping up the compression up at all. I have -4 reliefs in the pistons.
so... Sponsors... What heads should I look at? I feel that the Heads on my motor are holding me back.
Thread Starter
TECH Enthusiast
iTrader: (1)
Joined: Jul 2010
Posts: 554
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From: CroSSby, TexaSS
Thread Starter
TECH Enthusiast
iTrader: (1)
Joined: Jul 2010
Posts: 554
Likes: 0
From: CroSSby, TexaSS
So I got with Martin Smallwood @tick and he recommends the TFS 220 Head.
What do you guys think?
Cylinder Head Style: Assembled
CNC-Machined Ports: No
Port Finish Type: Fast As Cast®
Emissions Status: Non-emissions
Intake Port Volume: 220cc
Combustion Chamber Volume: 65cc CNC-profiled
Minimum Bore Diameter: 4.000 in.
Material: A356-T61 aluminum
Combustion Chamber Shape: Heart
Intake Valve Angle: 13.5 degree
Intake Port Location: Stock
Intake Port Shape: Cathedral
Intake Port Dimensions: 3.250 in. x 1.070 in.
Intake Valve Diameter: 2.055 in.
Intake Valve Seat: Ductile iron interlock
Exhaust Valve Angle: 13.5 degree
Exhaust Port Volume: 80cc
Exhaust Port Location: Stock
Exhaust Port Shape: Oval
Exhaust Port Dimensions: 1.460 in. x 1.670 in.
Exhaust Valve Diameter: 1.570 in.
Exhaust Valve Seat: Ductile iron interlock
Valve Guide Material: Bronze alloy
Valve Seals: Viton® fluoroelastomer canister
Valve Seat Angles: 45 degree x multi-angle
Valve Spring Pocket Diameter: 1.480 in.
Valve Spring I.D. Locators: 1.300 in.
Valve Spring Retainers: Titanium
Valve Stem Locks: 7 degree
Valve Springs Included: Yes
Valve Springs: 1.300 in. o.d. dual spring
Valve Spring Seat Load: 150 lbs. @ 1.800 in. installed height
Valve Spring Open Load: 438 lbs. @ 1.200 in. open
Valve Spring Rate: 448 lbs. per inch rate
Valve Spring Maximum Valve Lift: .600 in.
Valve Cover Style: Center bolt
Spark Plug Style: Angle
Accessory Bolt Holes Drilled/Tapped: Yes
O-Ring Grooves: No
Heat Crossovers: No
Steam Holes: No
Quantity: Sold as a pair.
Also looking into new lifters, I don't trust the LS7, even though mine have only 25k miles. I'm Heavily considering the Brian Tooley lifters.
What do you guys think?
Cylinder Head Style: Assembled
CNC-Machined Ports: No
Port Finish Type: Fast As Cast®
Emissions Status: Non-emissions
Intake Port Volume: 220cc
Combustion Chamber Volume: 65cc CNC-profiled
Minimum Bore Diameter: 4.000 in.
Material: A356-T61 aluminum
Combustion Chamber Shape: Heart
Intake Valve Angle: 13.5 degree
Intake Port Location: Stock
Intake Port Shape: Cathedral
Intake Port Dimensions: 3.250 in. x 1.070 in.
Intake Valve Diameter: 2.055 in.
Intake Valve Seat: Ductile iron interlock
Exhaust Valve Angle: 13.5 degree
Exhaust Port Volume: 80cc
Exhaust Port Location: Stock
Exhaust Port Shape: Oval
Exhaust Port Dimensions: 1.460 in. x 1.670 in.
Exhaust Valve Diameter: 1.570 in.
Exhaust Valve Seat: Ductile iron interlock
Valve Guide Material: Bronze alloy
Valve Seals: Viton® fluoroelastomer canister
Valve Seat Angles: 45 degree x multi-angle
Valve Spring Pocket Diameter: 1.480 in.
Valve Spring I.D. Locators: 1.300 in.
Valve Spring Retainers: Titanium
Valve Stem Locks: 7 degree
Valve Springs Included: Yes
Valve Springs: 1.300 in. o.d. dual spring
Valve Spring Seat Load: 150 lbs. @ 1.800 in. installed height
Valve Spring Open Load: 438 lbs. @ 1.200 in. open
Valve Spring Rate: 448 lbs. per inch rate
Valve Spring Maximum Valve Lift: .600 in.
Valve Cover Style: Center bolt
Spark Plug Style: Angle
Accessory Bolt Holes Drilled/Tapped: Yes
O-Ring Grooves: No
Heat Crossovers: No
Steam Holes: No
Quantity: Sold as a pair.
Also looking into new lifters, I don't trust the LS7, even though mine have only 25k miles. I'm Heavily considering the Brian Tooley lifters.
