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Thread: N20 plugs
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05-14-2015, 02:45 PM #11
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Are you 100% sure you got the plug wires on correctly?
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05-14-2015, 10:26 PM #12
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- Anthony Rodriguez
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Yes sir. I made sure they all clicked on.
1987 Buick Grand National GNX Clone!!!
383CI, Forged Internals, LE Trickflow Heads, LE Ported Intake, LE Custom Grind Billet Cam,CC UltraProMags, MSD Optispark Coil Digital 6+box,NOS Mini Pro,Meziere EWP,58MM HolleyTB,60#Injectors,N2O Wet Plate Kit,Built 4l80E EDGE 3500,Strange s60,QA1 Shocks!
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05-16-2015, 06:15 PM #13
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The BR6es is the wrong heat range and plug type for that cylinder head
1994 Formula, 396cid, AFR 227's, Single plane, and 2 of the big ones.
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05-16-2015, 06:17 PM #14
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Trick Flow & Edelbrock Heads
Seat – Gasket
Stock – MFG Recommendations: approx under 9:1 compression
Heat Range: 4
Gap: Consult ignition mfg.
Plug: NGK FR4 (stock number 5155); NGK BKR5EIX (stock number 6341); Autolite 3926; Champion RC12YC (stock number 71); Denso IK16 (stock number 5303)
MFG Recommendations: approx 10.5:1 compression
Heat Range: 5
Gap: Consult ignition mfg.
Plug: NGK FR5 (stock number 7373); Autolite AR3924 (Racing Plug); Autolite 3924; Champion RC9YC (stock number 2075); Denso K20PR-U (stock number 3145); Denso IK20 (stock number 5304)
MFG Recommendations: approx 11:1 compression
Heat Range: 8
Gap: Consult ignition mfg.
Plug: NGK R5672A-8 (stock number 7173); Autolite AR3911; Champion C63YC (stock number 796); Denso IQ24 (stock number 5314)
MFG Recommendations: approx 12:1 compression
Heat Range: 9
Gap: Consult ignition mfg.
Plug: NGK R5672A-9 (stock number 7405); Autolite AR3910; Champion C61YC (stock number 785); Denso IQ27 (stock number 5315)
MFG Recommendations: approx 13:1 compression
Heat Range: 9 - 10
Gap: Consult ignition mfg.
Plug: NGK R5671A-9 (stock number 5238); Autolite AR3933; Champion C59CX (stock number 296); Denso IK27 (stock number 5312)
MFG Recommendations: approx 14:1 compression
Heat Range: 10
Gap: Consult ignition mfg.
Plug: NGK R5671A-10 (stock number 5820); Autolite AR3932; Champion C57CX (stock number 295); Denso IK-31 (stock number 5321)1994 Formula, 396cid, AFR 227's, Single plane, and 2 of the big ones.
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06-22-2015, 07:55 AM #15
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I'm doing a 100-150 kit on a bolt on only engine and was trying to figure out what spark plugs will work as well. It looks like TR6 for me?
95 Z28 hard top - LT1, 4L60e, bolt ons, Yank SS3600, suspension, viking coil overs, 3.42 10 bolt, 3320 lbs - 12.304 @ 108.52mph 1.69 60'
08 Saab 9-7x - L96 6.0 swap, L92 heads/intake/TB, LS6 cam, LS9 springs, 7.425" hardened pushrods, CAI, 1-3/4" stepped LT's, catback, 4L60E, FTI 3000 278mm converter
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06-22-2015, 02:06 PM #16
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dont use a tr6 for nitrous. use a br6ef (3177)
Kyle
just ur everyday slow LT1. wanna try her out?
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06-22-2015, 03:06 PM #17
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cool so non projected tip. someone should update the sticky:
LT1 Spark Plug Reference Guide
Stock
Reach - .708”
Seat - Taper
Stock Heat Range: 5
Gap: .050
Plug: NGK TR55 (stock number 3951); NGK TR55IX (stock number 7164); Autolite 764; Champion RS14YC6 (stock number 13); Denso IT-16 (stock number 5325)
Nitrous (one step colder)
Heat range: 6
Gap: .035 - .038
Plug: NGK TR6 (stock number 4177); NGK TR6IX (stock number 3689); Autolite 103; Denso IT-20 (stock number 5326)Last edited by KLaBZ28; 06-22-2015 at 03:13 PM.
95 Z28 hard top - LT1, 4L60e, bolt ons, Yank SS3600, suspension, viking coil overs, 3.42 10 bolt, 3320 lbs - 12.304 @ 108.52mph 1.69 60'
08 Saab 9-7x - L96 6.0 swap, L92 heads/intake/TB, LS6 cam, LS9 springs, 7.425" hardened pushrods, CAI, 1-3/4" stepped LT's, catback, 4L60E, FTI 3000 278mm converter
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