LT1-LT4 Modifications 1993-97 Gen II Small Block V8

all you 396 lt1 guys

Old 01-05-2007, 01:56 PM
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Default all you 396 lt1 guys

if there is anyone running a 396 lt1 motor out there, i would like to have some info if possible. because of the large stroke of the motor, how long can i expect the block to last if i only take it to the track about twice every year and only put about six thousand miles on it a year. the car is an A4 with all bolt ons 3.73s will have AFR 210 LT4 heads, built tranny, and Moser 12 Bolt. if you have one how long have you had it? thanks for any info!
Old 01-05-2007, 02:12 PM
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I had my 396 built in 2003....have put ~12k miles on it, and 20-30 passes.

Still running strong.
Old 01-05-2007, 02:21 PM
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Have had mine to the track three times since getting back in Sep-06, 3 x 7 average track passes per visit to HRP...that's 21 passes & runs better everytime, LME does good work though. I expect to run it the entire 07 season Lord willing without issues and with the new Phase 2 setup presently in the works
Old 01-05-2007, 02:24 PM
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how much are you spraying ray@nitrous outlet? are you naturally aspirated brettinator, if so what is your 60 foot time?
Old 01-05-2007, 02:28 PM
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Originally Posted by slckstr96
how much are you spraying ray@nitrous outlet? are you naturally aspirated brettinator, if so what is your 60 foot time?
in my sig, n/a setup 1.56 60'
Old 01-05-2007, 03:25 PM
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Originally Posted by slckstr96
how much are you spraying ray@nitrous outlet? are you naturally aspirated brettinator, if so what is your 60 foot time?

Spraying 150 now, as soon as I add a dedicated I will be spraying 250+.

Mine runs low 11's NA w/high 1.5 60's
Old 01-05-2007, 03:35 PM
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A lot of people are worried about longevity on the 396, but in reality it will last just as long as a 383 or 355 with the right setup and maintance.

Tony.
Old 01-05-2007, 04:00 PM
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Originally Posted by Speed Density
A lot of people are worried about longevity on the 396, but in reality it will last just as long as a 383 or 355 with the right setup and maintance.

Tony.

Yep.....mine may not have that many track passes on it...but I have run ~10 bottles through it....most of the cars I ran into I didn't need the bottle

After almost 4 years I can't complain
Old 01-06-2007, 11:13 AM
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how long can i expect the block to last if i only take it to the track about twice every year and only put about six thousand miles on it a year.
how long it will last will depend on how its built. same thing with any other motor. the fact that it is a 396 rather than a 383 or 355 is basicly irrelevant.
Old 01-07-2007, 01:35 PM
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what kind of things should i do to the block to make it stronger. im planning on putting a 150-200 shot on it. so for the block is magnafluxed for cracks and shot peened. i have billet splayed 4-bolt mains for it also. does anyone make a valley girdle for lt1s. is this even necessary? also what kind of cams are you running on your 396s? im not going solid roller.thaks in advance. is this too big of a cam? Comp Cams 244/244 duration .600/.600 lift with 1.5s 110LSA
Old 01-07-2007, 01:42 PM
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i forgot to tell you that i will be running AFR 210 LT4 heads on the 396 as well
Old 01-07-2007, 07:26 PM
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40 or so passses and 6K miles here.
Old 01-07-2007, 07:52 PM
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do you guys have an aftermarket oil pan on your cars? if so what kind is it? i know on a 396 you have to pound out the stock oil pan, so i was wondering if some company makes a deeper "stroker" oil pan so i don't have to do this to my stocker.
Old 01-07-2007, 08:17 PM
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I built a 396 for my friends z and I did nothing to the oil pan. The only thing that was done for the increased stroke was a little clearncing(sp) on the block.
Old 01-07-2007, 08:18 PM
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Originally Posted by slckstr96
do you guys have an aftermarket oil pan on your cars? if so what kind is it? i know on a 396 you have to pound out the stock oil pan, so i was wondering if some company makes a deeper "stroker" oil pan so i don't have to do this to my stocker.
i believe that Canton makes one
Old 01-07-2007, 10:10 PM
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Yep, Canton and Stef's both make pre-clearanced pans... If you go with Stef's make sure you get the stroker notches option.

You'll need a oil pump pick-up to match the pan BTW.
Old 01-07-2007, 11:00 PM
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I am running a 2 bolt block that was magnafluxed and drilled for splayed maincaps.

My cam is 246/254 .613/.590 112 hydraulic roller

Stock oil pan
Old 01-07-2007, 11:08 PM
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I had the Canton on mine.

Tony.
Old 01-08-2007, 01:32 PM
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what brand of cam is your cam ray@nitrous outlet? also i have been told that i would be better off to get a custom ground cam, is this true? also is a 110 LSA too much? will this not make enough vacuum?


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