The mid-90's LT-1 was plagued with the initial design versions of the Optispark ignition system, which was failure prone. Many, many sad stories on the F-car BB's. Other than that it is a std, pretty bulletproof small-block Chev. The one in my 740 wagon (94 Firebird donor) has been converted to an aftermarket ignition using 4 Cadillac Northstar coils so that there is no secondary (high) voltage inside the Optispark distributor. This sidesteps the design flaw that typically caused the distributor to fail.
Not sure how many miles were on my LT-1 when it was installed, but well over 100k since going in the 740...still smooth with plenty of power, and 25MPG(US) on the highway. And lots of laughs humbling the kids in their ricers.
(IPD bars, Bilsteins at the corners, upper and lower strut braces, Yoko V-rated tires, Tremec/T56 gearbox, and 3" free flowing exhaust)
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Bob: son's 81-GL, dtr's '94-940, my 83-DL, 89-745(V8) and 98-S90. Also 77-MGB and some old motorcycles.
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