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#1
04-29-2019, 07:46 PM
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What plug wires for HEI and cast iron heads
Hey guys
Looking to replace my wires on the car I currently run MSD with straight boots and 2 - 90 degree boots this was a universal kit I purchased a few years ago and built them Currently I run the 2 90 degree boots due to steering shaft being so close.... Will 135 degree boots fit on all the plugs or do I still need to use a couple 90 degree boots.....still Any suggestions to preference is welcome ....Chris
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 1973 Firebird Navajo Orange w/shaker,1973 400/461,1972 Intake SD CNC'd,1977 Q-Jet 800 CFM w/ Cliffs Kit,Tanks Inc PA4 255 Walbro intank pump ,-8an feed/return,RobbMc Regulator,RobbMc 40 micron filter,253 CFM 6x-8's w/H.S 1:5 Roller Rockers,SD Stump Puller H/R Cam 230/236 @.050 112 lobe separation 565/.570 lift,Crower Solid Rollers,28150 Hedman Headers,3" exhaust,full tailpipes,350 Turbo,9.5" 3200 Converter,3:42 gear,8.5 posi,C/E slide-alinks,Koni adj frt shocks,Best 12.18@110.55 Lookin for 11's
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#2
04-29-2019, 07:54 PM
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135 degree are the best fit on mine.
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'65 Tempest 467 3650# 11.30@120.31 |
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#3
04-29-2019, 08:06 PM
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Chris,
I run Moroso Blue max Ultra 40 custom cut with 135 boots # 73802 https://www.summitracing.com/search?...word=mor-73802
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Carburetor building & modification services Servicing the Pontiac community over 25 years |
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#4
04-30-2019, 08:18 AM
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I've had good luck with the Napa Belden wires P/N 700255. I've had zero issues with these. They fit nice with a factory look over the back of the valve covers. Also come with a lifetime warranty. The ONLY thing I could say I don't like is they are dark blue, would prefer black..
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'71 GTO, 406 CID, 60916, 1.65 HS, '69 #46 Heads 230CFM, 800CFM Q-jet, TH400, 12 Bolt 3.55 '72 Lemans, Lucerne Blue, WU2, T41, L78, M22, G80 |
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#5
04-30-2019, 08:47 PM
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I used these: MSD Ignition 31189 . Multi angle spark plug boots. Bend them to where you want them. 31193 similar in black w/gray boots.
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Frank M. 75 Firebird 68 Firebird 400 RAIII 66 Chevy II 461 Pontiac in AZ |
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#6
04-30-2019, 11:36 PM
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I use 8mm Taylor Street Thunder wires on both of mine, with 135 degree boots on all.
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"...ridge reamer and ring compressor? Do they have tools like that?" |
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#7
05-01-2019, 07:03 AM
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Thanks for the input guys ...
Looks like 135 boots and I'm good to go.....appreciate it....
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1973 Firebird Navajo Orange w/shaker,1973 400/461,1972 Intake SD CNC'd,1977 Q-Jet 800 CFM w/ Cliffs Kit,Tanks Inc PA4 255 Walbro intank pump ,-8an feed/return,RobbMc Regulator,RobbMc 40 micron filter,253 CFM 6x-8's w/H.S 1:5 Roller Rockers,SD Stump Puller H/R Cam 230/236 @.050 112 lobe separation 565/.570 lift,Crower Solid Rollers,28150 Hedman Headers,3" exhaust,full tailpipes,350 Turbo,9.5" 3200 Converter,3:42 gear,8.5 posi,C/E slide-alinks,Koni adj frt shocks,Best 12.18@110.55 Lookin for 11's
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#8
05-01-2019, 11:27 AM
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I have the Taylor thundervolt wires with 135 boots. I cut and crimped them for a cleaner look.
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#9
05-01-2019, 06:09 PM
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Here here for the Taylor Thundervolts. I found that the lengths in the pre-cut Big Block Chevy set loom very nicely over the valve covers on a Pontiac and I agree that the 135* boots work great on Pontiac heads. They make the TV in the big, fat 10mm wire if you like that look and they also offer the 40 ohm resistance TV set in 8mm wire, which should fit stock looms if you like a more factory appearance.
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#10
05-01-2019, 09:06 PM
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The wires that Butler sell for Pontiacs on their site are a big block Chevy set. I use those but I had to buy and extra coil wire because I use the blaster 3 coil and the dual sync distributor. I would like to have the wires in black but I have to get them in red cause that’s the only way the coil wire comes
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
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#11
05-02-2019, 07:21 AM
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I use a 135 degree universal kit from Taylor and build my own. “Custom” sets just don’t fit.
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 frittering and wasting the hours in an off hand way.... 1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. 
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#12
05-02-2019, 11:33 AM
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Am I the only one that absolutely hates cutting and crimping plug wire???....anyone have an EASY way to feed the wire through the 90degree boots before and after you cut and crimp?
Irritates me to the point I just want ok fitting pre-cut wires from now on...
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71 GTO, 463, KRE 295 cfm heads ported by SD Performance, RPM intake, Qjet, Dougs Headers, Comp cams HR 246/252 ...11 to 1 , 3.55 cogs, 3985lbs.....day three- 11.04 at 120mph ....1.53 60', 6.98 1/8 mile |
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#13
05-02-2019, 12:21 PM
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Custom cut and fit for the best routing and clean look is the way. Yes it is irritating....but a good smear if die electric grease and I always had them pop through. Just depends on how u bite your tongue..left or right.
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#14
05-02-2019, 02:10 PM
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Quote:
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1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down... 
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