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05-30-2005, 10:41 PM
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#1
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Join Date: Jan 2005
Location: browns mills
Posts: 339
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lt4 hot cam
in an lt1 does their need to be any mods to the heads or anthing to put it in and have nothing break
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94 z28 bbk headers chip shift kit k an n cold air
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05-30-2005, 11:04 PM
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#2
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Resident Camera Guy
Join Date: Aug 2004
Location: North Jersey
Posts: 10,971
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Re: lt4 hot cam
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Originally Posted by LT!freak94
in an lt1 does their need to be any mods to the heads or anthing to put it in and have nothing break
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Get the LT4 Hot Cam kit, it comes with everything you need besides gaskets. It has Retainters, bolts, HD springs, and 1.6 roller rockers.
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05-30-2005, 11:12 PM
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#3
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11 Second Club
Join Date: Aug 2004
Location: Pitman, NJ
Posts: 587
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You'll more than likely need to have the heads machined to accept the 1.32" LT4 valve springs.
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05-30-2005, 11:43 PM
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#4
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Resident Camera Guy
Join Date: Aug 2004
Location: North Jersey
Posts: 10,971
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Quote:
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Originally Posted by Slow Z
You'll more than likely need to have the heads machined to accept the 1.32" LT4 valve springs.
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According to gmpartsdirect.com, you dont need to machine anything.
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This off-highway camshaft kit has the major valve train component to convert production LT1 engine for showroom stock racing, or hop up your small block Chevrolet V8 that was originally equipped with a roller tappet camshaft. The 1.6 roller rockers, light weight valve spring caps, special designed valve springs and hot camshaft offers a significant gain in horsepower at a reasonable price. This kit includes the following items: one camshaft P/N 24502586, 16 roller rocker arms kit P/N 12370839, 16 valve springs P/N 12551483, 16 valve caps P/N 10212808, 16 valve keys P/N 24503856, 16 valve spring shims P/N 10212809.
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05-31-2005, 11:48 AM
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#5
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Join Date: Jan 2005
Location: browns mills
Posts: 339
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so i wont have to buy anything else other then the gaskits and stuff like that everything comes with the kit and other then that i dont think it would be a good idea the motor got like 131 thousand miles on it and its an everyday driver
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94 z28 bbk headers chip shift kit k an n cold air
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05-31-2005, 12:12 PM
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#6
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11 Second Club
Join Date: Aug 2004
Location: Pitman, NJ
Posts: 587
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Quote:
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Originally Posted by TransAm4Life
Quote:
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Originally Posted by Slow Z
You'll more than likely need to have the heads machined to accept the 1.32" LT4 valve springs.
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According to gmpartsdirect.com, you dont need to machine anything.
Quote:
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This off-highway camshaft kit has the major valve train component to convert production LT1 engine for showroom stock racing, or hop up your small block Chevrolet V8 that was originally equipped with a roller tappet camshaft. The 1.6 roller rockers, light weight valve spring caps, special designed valve springs and hot camshaft offers a significant gain in horsepower at a reasonable price. This kit includes the following items: one camshaft P/N 24502586, 16 roller rocker arms kit P/N 12370839, 16 valve springs P/N 12551483, 16 valve caps P/N 10212808, 16 valve keys P/N 24503856, 16 valve spring shims P/N 10212809.
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Where does it say anything about the valve springs dropping in? I'm no LT1-guy but most SBC factory valve springs are only 1.25" so the pocket they sit in will be cut to fit that size and nothing bigger. The LT4 spring is 1.32" ...Once again, I never touched an LT1 but if it was me I'd go out, pop the cover off, and measure the spring pocket diameter before I bought the kit.
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05-31-2005, 03:25 PM
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#7
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13 Second Club
Join Date: Jul 2004
Location: Ewing/Galloway, NJ
Posts: 3,904
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its a direct drop in, the LT4 combo transfers right over
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99 Riviera, Bone stock, 14.34 @ 96 "Walking 5.0's in luxury" RIP
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93 TA, Bone stock, 13.8 @ 100 "Beating ****** drivers in ****** LS1's"
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R.I.P. Tia 
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05-31-2005, 04:53 PM
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#8
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Join Date: Jan 2005
Location: browns mills
Posts: 339
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so it would be ok i wouldent have to do any other mods right
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94 z28 bbk headers chip shift kit k an n cold air
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05-31-2005, 05:29 PM
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#9
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
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Originally Posted by LT!freak94
so it would be ok i wouldent have to do any other mods right
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I'd figure you need to reprogram the ecm a little
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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05-31-2005, 06:42 PM
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#10
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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Anything been replaced lately? With 131K I would certainly replace the timing chain set and lifters. Chain gears will be worn/stretched, lifters may be too weak for the new springs? Why take the chance of having to tear it all apart again for a $200 part?
Maybe also want to think about a water pump ( or switch to an electric one ), and a new opti or at least cap and rotor.
Might as well do it since you have then off anyway.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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05-31-2005, 07:26 PM
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#11
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Join Date: Jan 2005
Location: browns mills
Posts: 339
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ya i think i will most likely do that well this project will have to wait till about september now lol or mabey augest money need new job lol
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94 z28 bbk headers chip shift kit k an n cold air
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