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

LT1 cam only

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Old Sep 5, 2014 | 06:04 PM
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Default LT1 cam only

I have a 91 camaro that i swapped a carbed 95 lt1out of a vette, car jas full bolt ons and a lloyd elliot cam just wondering what everyone thinks it will run in the quater?

1995 LT1 BUILD
Port matched 643 heads
Mr. Gasket .026 MLS head gaskets
LE Cam 228/236 .576/.571 108 lsa
Lunati K2 double spring kit
Holley 700 double pumper
Trickflow 7.100 pushrods
LS-7 lifters
Proform 1.6 SA Roller rockers
GMPP Duel plane intake
Arp rod and main bolts (4 bolt)
Bi metal rod, main, and cam bearings
Melling high volume pump
Stock rods
Stock flat tops
Stock crank
Dougs long tubes
Magnaflow 3in exhaust
3:42 gears
Yank SS3600 stall
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Old Sep 6, 2014 | 12:29 AM
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maybe a mid to high 12 sec car if you can hook it and book it.
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Old Sep 6, 2014 | 04:30 PM
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Weight? I say high 11 to low 12
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Old Sep 6, 2014 | 05:38 PM
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With a virtually identical cam but local shop ported heads I ran 11.7s.

The rest of the car will be just as important as the motor - I notice a lot of suspension missing and I had full suspension minus k-member and springs. My 60' was 1.5x.
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Old Sep 6, 2014 | 06:19 PM
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Car is about 3-3200lbs, it also has umi subframe connectors, wonderbar, tubular trailing arms and panhard bar, and relocation brackets
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Old Sep 6, 2014 | 06:23 PM
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I did a little porting but nothing crazy.
Attached Thumbnails LT1 cam only-20131222_123010.jpg  
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Old Sep 7, 2014 | 07:46 AM
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If you search even Lloyd has posted that home port matching is a poor idea because you can create a fat spot in the middle of the combined intake port making the airflow change to the large area and then speed back up as it narrows again.

The Dual plane intake is going to hurt HP as compared to LT1 intake results but likely improve lowend torque. Which is fine but just understand it.

The HV oilpump will destroy the oilpump drive so you can blowup the engine and get to try a second go at this.
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Old Sep 7, 2014 | 08:14 AM
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The ls7 lifters have tons of failures I'd reuse your stock ones.
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Old Sep 7, 2014 | 10:24 AM
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Well this is the setup i have been running for over 15k and it seems fine, ive never heard of a high volume oil pump making an engine fail but i was told not to use a high pressure pump though. And ls7 lifters are stock replacements now for lt1 and this motor was blown up when i got it and had alot of metal in it so thats why i didnt re use my lifters
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