I was wondering if it's possible to run the plug wires through some looms over my valve covers. I'm getting ready to install TES headers and I'm putting new plugs and wires on while the manifolds are off. I want it to look pretty! If possible, is it something I want to do? Are there any drawbacks?

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91 TA 5.7 TPI Automatic
w/WS6 and 3.23 rear.
K&N Cone Air Filter (at the end of the plastic tube), Hypertech Coil, Moroso Blue Max Wires, Bosch Platinum plugs, JET 180*fan switch, JET air foil, Dual cats with Flowmaster 3" cat-back, GM Performance PROM, Complete PST components on front suspension, Spohn LCAs/Panhard bar.
My car only uses Mobil 1 synthetic fluids.

 

Yeah you can, moroso sells a set in Jegs. Check out the website and search for wire looms. I just recently purchased these, because I have burnt 3 wires so far. Plus I ordered heat sleeves for it protects up to 1400* or so.

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"Rice burners are like tampons...Every pu$$y has to have one"
'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat, just switched to 180* b/c of winter coming and going to college in the mts.
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite

 

I just put Accel 8mm wires on mine. I went to AutoZone and found Chrome 4-3-2-1 style looms for $18.99 they're made for the old style valve covers but if you bend the mounting tabs just a touch they fit great on the center bolt covers. Also had to crimp the bracket to clear the oil fill cap. I don't have headers yet. I used straight boot wires, and looped them over the air tubes and exhaust manifolds. Made a very clean installation. They also have another similar set of looms like this but they were $50.

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'92 firebird t-tops
305tbi,670cfm tbi, 2 1/2" Dynomax catback, 9x3 K&N open element