87, 89, 91, or 94 oct

Frequently asked questions about the Lesabre T-type.

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T
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car:: 87 Lesabre T-type
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Re: 87, 89, 91, or 94 oct

Post by T » Sat Aug 02, 2008 10:12 pm

Alibi wrote:
DO NOT USE BOSCH PLUGS. DO NOT USE PLATINUM PLUGS. Just use the basic cheapy $3 AC Delco spark plug and you'll be golden. Other plugs just do not work correctly with the GM DIS (distributorless ignition system). Just because a parts store lists it, it doesn't mean it will work right.... it just means it'll fit in the hole ;)
I agree on the Bosch platinums, they wear out too quickly on GM DIS cars. However, AC delco Platinums work great in all cars.
Why bother with copper plugs that will wear out and start to cause problems, when a good set of platinum plugs will last practically the life of the car. I have never replaced an AC Delco double platinum plug,(even when they are 100,000 miles old or more. I put them in every car I own and the car always runs better afterwards. Bosh's plugs are a poor design, but don't take it out on all platinum plugs.
-T

'87 Lesabre T-type
L67 swap, CAI, STB, 180deg stat, Walbro 307 fuel pump, tranny cooler, Michelin XGT H4s, ZZP 3.4 MPS, AC 41-601 plugs.
PB: 14.447@95.08 (2.299 60ft.)

'88 Lesabre T-type
RIP

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Dirtracr95
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Re: 87, 89, 91, or 94 oct

Post by Dirtracr95 » Fri Aug 08, 2008 7:31 pm

I have used both Bosch Plugs and NGK plugs and i have no problems with bosch platiums. Then again i dont let the plugs stay in my cars for more than a year and a half. So i dont think i will ever have to worry about the plugs wearing out

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