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

383 LT1 build list

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Old Apr 11, 2018 | 10:47 PM
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OptiSparksSuck's Avatar
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Default 383 LT1 build list

1995 z28 A4 with 373s/2800 FTI stall
11.1 CR
Forged ICON Pistons with Mahle Rings Gapped for nitrous
Forged FSI Eagle Rods (6 inch)
Forged Eagle Crank
280XFI Camshaft
Pocket Ported Heads (48cc? now)
2.02/1.60 Ferra 5000 series Valves (heads have been machined for these..)
Ported intake to match heads and for a 58mm TB
BBK 58mm TB
LTs 1 3/4"
ls7 Lifters
1.5 rr 7/16 NSA
Hardened Pushrods
Guide plates
A/C Delete
8.5mm wires with TR55s/TR6s for nitrous
Valve Springs to match cam
36lb Trickflow Injectors
255 Walbro

Was wondering whats your guys thoughts on this build and what would i see for possible hp/tq numbers on the chassis dyno without nitrous.
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Old Apr 12, 2018 | 12:42 PM
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Any thoughts?? im looking for hp estimates really..
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Old Apr 12, 2018 | 01:49 PM
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400rwhp/410rwtq +/-

get 1:6 RR vs 1:5

Lunati spring kit
Attached Thumbnails 383 LT1 build list-lunati-73925k5-kit.jpg  
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Old Apr 12, 2018 | 07:47 PM
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If the engine is not already together I would send the heads to LE for a LE2 or LE3 port job otherwise no idea what your heads flow and I see that as your limiting factor. But with a good tune I'd guess 400 - 410 rwhp and similar rwtq numbers.
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