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Old 07-17-2006   #21
Klortho
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Join Date: Jun 2005
Location: Kingston, Tn
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Re: suggested mods - 400 HP from 1989 L98

Quote:
Originally Posted by MunsonGTA
the title says 400 hp, not 400 rwhp. how much did the lt1 swap cost you?
Including the cost of the motor/tranny and everything to install it? Around 3k.

Unfortunatly if you are not wanting to take the motor apart, a turbo or a sc is the only option you have. You will end up buying a set of heads, cam, intake at least to get the power up there.
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1987 GTA, LT1/T56 BW 9bolt 3.70 posi
1 of 372 Medium Russet Metallic
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Old 07-18-2006   #22
MunsonGTA
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Join Date: Jun 2004
Location: Ravenna, OH
Posts: 1,948



GTA Year: 1987
GTA Engine: Custom
Re: suggested mods - 400 HP from 1989 L98

i'm over 400 hp with an L98 at about the cost of 2200 or so. heads - 750, hsr setup - 425 shipped, cam - 180 shipped, custom tune - 200, block work after i blew apart my rings - 200, new 350 rebuild kit with gaskets - 350, 30#/hr svo injectors - 100.

grand total - $2205 + a few bucks for odds and ends

i still run the stock distributor, stock TB, stock rods, stock crank, stock pushrods, stock lifters
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87 GTA: Forged 408 LSX short block, TEA stage 2 cnc ported 243 heads, BTR Stage 3 stroker cam, Fast 102 intake, NW 102 TB, Longtube headers, custom 411 ECM, custom harness, custom tuned, Performabuilt stage 2 4l60E with PTC 2800 stall, 9 bolt rear with 3.70 gears and TAP girdle.

11.16 at 123 mph.
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