LT1 ----> LT4
01-26-2007, 09:39 AM
#2
I have lt4 heads and intake your stock pcm will be fine. Tuned of course. When you say lt4 cam do you mean hot cam? If so get something better IMO. Thats's a wee bitty baby cam(best fat bastard voice used here).
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01-26-2007, 04:12 PM
#9
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^^ Because the stock Lt4 cam isnt that much "bigger" than other stock LT1 cams. The LT4 Hot Cam is an aftermarket GM cam, that would still require at least 3.73s and a 3000+ stall in a 4000lb car to be a good highway runner.
01-26-2007, 06:41 PM
#10
You would also be better served porting LT1 head than using the LT4s.
Things work a whole lot better if you research before you bought half the parts. I know it sounds harsh but everyone here has already made a ton of mistakes and we will try to help you. It is just harder for us to help when you already made some decisions that could have been made differently/better.
I am not saying the LT4 heads are bad, just that for the cost you could do MUCH better.
Roughly where are you, maybe we can point you at a local club or something? No better research than seeing a few already modified cars.
Things work a whole lot better if you research before you bought half the parts. I know it sounds harsh but everyone here has already made a ton of mistakes and we will try to help you. It is just harder for us to help when you already made some decisions that could have been made differently/better.
I am not saying the LT4 heads are bad, just that for the cost you could do MUCH better.
Roughly where are you, maybe we can point you at a local club or something? No better research than seeing a few already modified cars.
01-27-2007, 04:20 AM
#11
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Originally Posted by buffman
^^ Because the stock Lt4 cam isnt that much "bigger" than other stock LT1 cams. The LT4 Hot Cam is an aftermarket GM cam, that would still require at least 3.73s and a 3000+ stall in a 4000lb car to be a good highway runner.
that's y i'm asking coz i'm gonna keep the stock stall and stock rear end
01-27-2007, 04:22 AM
#12
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Originally Posted by 96capricemgr
You would also be better served porting LT1 head than using the LT4s.
Things work a whole lot better if you research before you bought half the parts. I know it sounds harsh but everyone here has already made a ton of mistakes and we will try to help you. It is just harder for us to help when you already made some decisions that could have been made differently/better.
I am not saying the LT4 heads are bad, just that for the cost you could do MUCH better.
Roughly where are you, maybe we can point you at a local club or something? No better research than seeing a few already modified cars.
Things work a whole lot better if you research before you bought half the parts. I know it sounds harsh but everyone here has already made a ton of mistakes and we will try to help you. It is just harder for us to help when you already made some decisions that could have been made differently/better.
I am not saying the LT4 heads are bad, just that for the cost you could do MUCH better.
Roughly where are you, maybe we can point you at a local club or something? No better research than seeing a few already modified cars.
that's y i asked here . the proplem is that i'm from bahrain
not from usa 
01-27-2007, 10:21 AM
#13
If keeping the stock stall especially do not bother with heads or cam.
Trust me that is a mistake I made. I did a mild cam before stall or gears. Well actually I had a 1650 stall as opposed to the stock 1400 stall but close enough to stock. Gained almost nothing from that cam swap till I later gave it a 2800 stall then gained basically everything you would expect from a cam and converter, later gave it 3.42s and pickedup a little more performance and it drove better.
Trust me that is a mistake I made. I did a mild cam before stall or gears. Well actually I had a 1650 stall as opposed to the stock 1400 stall but close enough to stock. Gained almost nothing from that cam swap till I later gave it a 2800 stall then gained basically everything you would expect from a cam and converter, later gave it 3.42s and pickedup a little more performance and it drove better.
01-28-2007, 03:23 AM
#16
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Originally Posted by 96capricemgr
That would be a nice combo, ran 2800/3.42 for a while and it is a great combination of performance and drivability. Makes for a good launch and plenty of topend speed should you have enough road for such things.
thanx guyz u helped me a lot ...
i'll keep u updated
01-28-2007, 02:40 PM
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Originally Posted by 96capricemgr
You would also be better served porting LT1 head than using the LT4s.
Things work a whole lot better if you research before you bought half the parts. I know it sounds harsh but everyone here has already made a ton of mistakes and we will try to help you. It is just harder for us to help when you already made some decisions that could have been made differently/better.
I am not saying the LT4 heads are bad, just that for the cost you could do MUCH better.
Roughly where are you, maybe we can point you at a local club or something? No better research than seeing a few already modified cars.
Things work a whole lot better if you research before you bought half the parts. I know it sounds harsh but everyone here has already made a ton of mistakes and we will try to help you. It is just harder for us to help when you already made some decisions that could have been made differently/better.
I am not saying the LT4 heads are bad, just that for the cost you could do MUCH better.
Roughly where are you, maybe we can point you at a local club or something? No better research than seeing a few already modified cars.
fwhp in stock form on a 350. Capable of a little more on a 383...MM
