budget turbo build Qs?
#1
budget turbo build Qs?
Im thinking about a turbo build, I have a tight budget. I already have a hotside, DP manis, cross over.
Im going with a cheap ebay t4 turbo, maybe a holsetx35. godspeed 38mm WG, and type s BOV.
My question is, would i be safe on 42lb injectors, and a walboro pump? thats it, this is a minimal build. Do i need to upgrade my FPR?
Im going with a cheap ebay t4 turbo, maybe a holsetx35. godspeed 38mm WG, and type s BOV.
My question is, would i be safe on 42lb injectors, and a walboro pump? thats it, this is a minimal build. Do i need to upgrade my FPR?
#2
Re: budget turbo build Qs?
Cheap chinese turbo's are the way to go. Rebuild it as often as necessary for $35. I'd make sure to get at least a 67mm though.
#3
Re: budget turbo build Qs?
the stock fpr will not work you need a boost reference regulator. 1:1. and i heard good stuff of the $80 knock off 50mm tial bov and there waistegates. and what is the hp goal
Last edited by tt383lt1; 03-01-2012 at 05:17 AM.
#5
Re: budget turbo build Qs?
I hope this goes without saying, but the motor is fully built right? I am just making sure you are not falling into that ever long category of people that think that nothing will go wrong with boosting a stock internal LT1.
#7
Re: budget turbo build Qs?
Unfortunately that won't make a difference. LT1, LS1, they both came from the factory with non forged internals and a high CR. Throw boost at either one and you are asking for problems. For every one guy out there that is doing it and still driving it without blowing up, there are ten more guys that tried it as well and and were not so lucky.
#8
Re: budget turbo build Qs?
Unfortunately that won't make a difference. LT1, LS1, they both came from the factory with non forged internals and a high CR. Throw boost at either one and you are asking for problems. For every one guy out there that is doing it and still driving it without blowing up, there are ten more guys that tried it as well and and were not so lucky.
What starts as 5lbs of boost and a conservative tune, turns into 8lbs with a little more timing, 10lbs and more timing etc.
Boost is addictive and everyone who has it can attest to this fact- the problems come when you try to push parts beyond their limits.
#9
Re: budget turbo build Qs?
#10
Re: budget turbo build Qs?
im just gonna ask you nicely to please not post in my thread anymore, unless you have insight other then "you cant do it". You can post all you want, but im just asking to not clutter anymore, thanks in advance.
my HP goals are around 500, which i think with 7psi should be close to that.
A guy put down 470 wiyth an sts stock everything except 36lb injectors.
I can get a hotside with manis, crossover, dp and keep stock lcoation of everything except battery. I just need turbo, bov, wg, coldside.
#11
Re: budget turbo build Qs?
Stock GM LS Engine - Big Bang Theory - Hot Rod Magazine
im just gonna ask you nicely to please not post in my thread anymore, unless you have insight other then "you cant do it". You can post all you want, but im just asking to not clutter anymore, thanks in advance.
my HP goals are around 500, which i think with 7psi should be close to that.
A guy put down 470 wiyth an sts stock everything except 36lb injectors.
I can get a hotside with manis, crossover, dp and keep stock lcoation of everything except battery. I just need turbo, bov, wg, coldside.
im just gonna ask you nicely to please not post in my thread anymore, unless you have insight other then "you cant do it". You can post all you want, but im just asking to not clutter anymore, thanks in advance.
my HP goals are around 500, which i think with 7psi should be close to that.
A guy put down 470 wiyth an sts stock everything except 36lb injectors.
I can get a hotside with manis, crossover, dp and keep stock lcoation of everything except battery. I just need turbo, bov, wg, coldside.
I have seen people do it countless times. Some end up successfull (like ones that make actual magazine articles). But most don't. My former boss sank thousands in doing everything as safe as possible with only 7 psi on his low mileage LS1 (safe tune,twin intercoolers, large fuel system ect.). His car didn't last 3,000 miles before it blew. This is just one case out of several.
Look man, I am not doing this to be a jerk, and I am sorry if you are taking it that way. For what its worth, I've said my .02 on the matter and then some, so I promise I will stop and not continue. But if I can save you, or potentially others the mistake my boss, and so many others have by boosting a stock application believing they would be completely safe, then I may have saved someone a very large headache, and perhaps saved them quite a bit of hard work and money.
#13
Re: budget turbo build Qs?
Unfortunately that won't make a difference. LT1, LS1, they both came from the factory with non forged internals and a high CR. Throw boost at either one and you are asking for problems. For every one guy out there that is doing it and still driving it without blowing up, there are ten more guys that tried it as well and and were not so lucky.
Nice thing about the LS1 is you can buy a set of cheap 317 heads and drop the compression to around 9:1 which is much more boost friendly (they also flow better than the early LS1 heads). 500 rwhp is a pretty easy mark with a stock cam and bigger injectors with a turbo.
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