LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

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Old Aug 21, 2007 | 03:14 PM
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cam

what cam should i go with...i just want to get in the 12's and what do i all need done to put it in..i need to send the heads out to be work on for the cam right?what springs and everything should i go with..thats does not cost that bad..any cam kits?thanks its for a 1995 lt1.90,000 in it
Old Aug 21, 2007 | 04:21 PM
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Originally Posted by Z28_AJ
what cam should i go with...i just want to get in the 12's and what do i all need done to put it in..i need to send the heads out to be work on for the cam right?what springs and everything should i go with..thats does not cost that bad..any cam kits?thanks its for a 1995 lt1.90,000 in it
Full bolt-ons. No cam needed for 12's, especially in Florida. Head work is total overkill for that goal too.

If you are dead set on a cam, the somewhat archaic Hotcam kit seems perfect for you. Everything you need, very cheap, and a bit more "oomph" to help you get where you want.

Please note that often people just throw on headers/catback/cai and claim they have full boltons. I cannot stress how much at least rear suspension will help(LCAs,Relo's, and Torque arm at a minimum), and a cheap mail order tune is a nice investment even on just a bolt-on car. Gears will make it cake.

The little things like 1.6rr's will help a bit too.
Old Aug 21, 2007 | 09:10 PM
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Hi, I would like to offer my opinions. My 95 with M6, edelbrock tes headers, k&n cai and mail order tune ran 13.7's@103mph. This was granny shifting and not leaving really hard. Lt1's run low 14's stock to high 13's. To knock a full second off is going to take a lot more hp than a few simply bolt-ons is likely to give you. I would say to run mid to high 12's your going to need at least a cam and maybe heads as well. I know there are people here that run fast but to get a car that anyone could run 12's in is another matter. Just my 2 cents.
Old Aug 21, 2007 | 09:29 PM
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a full bolt on LT1 with head work will run a low 13 high 12. A cam will make it much easier, but a full bolt on LT1 running a high 12 is doubtful.

Another member here ran a 13.0 with some homemade port work, bolt ons, and suspension mods. Very impressive, IMO.
Old Aug 21, 2007 | 09:32 PM
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Originally Posted by raroz28
a full bolt on LT1 with head work will run a low 13 high 12. A cam will make it much easier, but a full bolt on LT1 running a high 12 is doubtful.

Another member here ran a 13.0 with some homemade port work, bolt ons, and suspension mods. Very impressive, IMO.
and theres plenty of stalled, geared, bolt on a4s running mid 12s on here too, theres also a person running almost a 12 flat on boltons only in the summer heat, and then shon herron who has 11.80s on boltons only, i run low 13s on boltons only on street tires.....12s is doable
Old Aug 21, 2007 | 09:39 PM
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12 flat with bolt ons? This I gotta see. BTW, I don't consider worked heads or camm'd cars bolt on cars. I consider a bolt on car a car with headers, cai, suspension mods, rocker upgrade, other small stuff, etc...
Old Aug 21, 2007 | 09:51 PM
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well thank u all for all then info...
Old Aug 21, 2007 | 11:45 PM
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The hotcam kit really gave me a very noticeable oomph with MadZ28 full tuning pachage before i spun a bearing after about 1 hour of runtime, but wow was it noticeable. Now im just rebuilding back to stock with hypereutectic pistons/fresh shortblock since im low on money.
Old Aug 21, 2007 | 11:48 PM
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Originally Posted by raroz28
12 flat with bolt ons? This I gotta see. BTW, I don't consider worked heads or camm'd cars bolt on cars. I consider a bolt on car a car with headers, cai, suspension mods, rocker upgrade, other small stuff, etc...

totally possible with some weight reduction and a commitment to get the most out of the set-up.
Old Aug 22, 2007 | 02:03 AM
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To get back to your question, a hot cam kit or maybe a cc503 would go a long ways to get your car into the 12's. If it was just a question of a few bolt-ons then everyone on this page would be running 12's.
Old Aug 22, 2007 | 03:06 AM
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Originally Posted by reamo04
and theres plenty of stalled, geared, bolt on a4s running mid 12s on here too, theres also a person running almost a 12 flat on boltons only in the summer heat, and then shon herron who has 11.80s on boltons only, i run low 13s on boltons only on street tires.....12s is doable
You may want to tell him why hes in the 11's instead of just "bolt on's" hes "bolted off" everything for weight reduction.
Old Aug 22, 2007 | 01:30 PM
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Originally Posted by raroz28
a full bolt on LT1 with head work will run a low 13 high 12. A cam will make it much easier, but a full bolt on LT1 running a high 12 is doubtful.

Another member here ran a 13.0 with some homemade port work, bolt ons, and suspension mods. Very impressive, IMO.
What DA are you running??? High 12's is cake with bolt-ons. It seems many people have been disillusioned by mid 12 sec cammed lt1s that do not have the proper setup or supporting mods. I would be embarassed if I had a bolt on LT1 with ported heads that ran 13's still.

Originally Posted by raroz28
12 flat with bolt ons? This I gotta see. BTW, I don't consider worked heads or camm'd cars bolt on cars. I consider a bolt on car a car with headers, cai, suspension mods, rocker upgrade, other small stuff, etc...
The question stated was 12's, not 12 flat. Two very different things. No cam or heads is needed to break into 12's unless A. Serious track DA B. Missing supporting mods like suspension,tune,etc or C. Horrible driver. I know many people fit into at least two of those categories, and as a hint its not "A"

Originally Posted by reamo04
and theres plenty of stalled, geared, bolt on a4s running mid 12s on here too, theres also a person running almost a 12 flat on boltons only in the summer heat, and then shon herron who has 11.80s on boltons only, i run low 13s on boltons only on street tires.....12s is doable
Yep. I ran 12.8 with bolt-ons and DRs with the stock 3.23 gears...in my tired old stalled auto 93 LT1. I think it had 140k miles back then. Many people have gone significantly faster with the same or less mods.

I think that the poster has gotten all the information he needs.
Old Aug 22, 2007 | 02:10 PM
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I'm going to shoot for 12s with less than $1200 in mods. I'm at $430 so far. Not including the $450 stall and drag radials.

Like they said if you are full bolt ons with headwork and running high 13s you suck at driving. I'm hoping for a 13.7 with intake cutout mailtune and 3.42s in my auto on street tires.

Add drag radials and a stall and it'll be LOW 13s. If I don't hit 12s with that then LTs will put me there.
Old Aug 22, 2007 | 02:55 PM
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Originally Posted by lincoln8
Hi, I would like to offer my opinions. My 95 with M6, edelbrock tes headers, k&n cai and mail order tune ran 13.7's@103mph. This was granny shifting and not leaving really hard. Lt1's run low 14's stock to high 13's. To knock a full second off is going to take a lot more hp than a few simply bolt-ons is likely to give you. I would say to run mid to high 12's your going to need at least a cam and maybe heads as well. I know there are people here that run fast but to get a car that anyone could run 12's in is another matter. Just my 2 cents.



Sorry, but you are wrong. My '94 with only a CAI, crappy converter that actually slowed the car down, 3.73's and DR's went 13.2 @ 104 all day full weight plus full audio system, plus 205lb driver. I fail to she how it ISN'T possible for a bolt on car to go 12's, especially since there are many of them on this board.
Old Aug 22, 2007 | 02:57 PM
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Originally Posted by raroz28
a full bolt on LT1 with head work will run a low 13 high 12. A cam will make it much easier, but a full bolt on LT1 running a high 12 is doubtful.

Another member here ran a 13.0 with some homemade port work, bolt ons, and suspension mods. Very impressive, IMO.


See post above.



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