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Originally Posted by illumina Of course there are those naysayers that will tell me that I should just pucker up and buy a mid-'90's Vette and be done with it...I will promptly tell them to bite me... 
Yup. I think with 6 psi I can see around 75 hp, particularly on the top end power band, which is where the 4.9 will need it. I am probably going to get an intercooler from Stoney, but I would prefer to have some measuements before I shell out any cash on shipping.
The only thing about the intercooler that he has is it seems to be a tad small. But in all honesty, smaller is better than nothing. And from what I understand, if you run too small of an intercooler, it will lower boost levels...N0DIH, is that true? If this is the case, I would think that would be good to controll boost with the particular turbocharger I am using.
If I need more boost, a mechanical boost controller can do the trick at around $25.00...Just dial in the regulator and go. I wish it would be able to lower boost, but from what I understand, I will need an external wastegate to do that. The device I am goinmg to order just increases it due to the fixed nature of the stock Warner-Ishi wastegate...If you know of another way to controll boost cheap (as in lower it), let me know.  |
From what i remember on intercoolers ....if you go too big on low boost levels youll end up with some lag ....too small and i belive you hurt velocity ..which i belive may hurt boost also ...
crap i forgot to measure them when i moved them to storgae ,,,but i can get to them super easy now so ill get that some time ...
just some info on that ...those intercoolers were off that 300z twin turbo ...so each cooler was cooling off one turbo that was fed by 1.5 litres or half the engines displacemnt (3.0)....so the turbos were only cooling compresed air off what 1.5 litres of engine can produce at around 6k rpm on what i think was a t-25 turbo set at 7-8 psi..but im not sure ....