Build Thread My Never Ending 89 Notch Thread

yeah my thing is cost . I can get a set of y303 svo gt40s for a few hundred more then you spent . hmm desicions
Honestly Jeff I would Try to find something a little better...if you can...the reason I say this is..with boost you are putting some good pressure on the valves and springs...weak stuff you will loose boost..maybe blow some oil out the exhaust...etc..etc...I got mine from twin cities mustang forum.try other mustang forums...you check the corral?..they always have stuff there too...
 
No one said its cheap to go fast...LOL....I was using that as an example...there are other on that forum..I like Aluminum heads takes some heat out of the cylinders..aids in helping with pinging...those heads have better clamping force thicker then a GT40 or stock head wont have the head lift under boost...so many reason to get Alum heads...lol
 
for 90 bucks it should help considerably over the e7 , I'll spend the money on the trick flows and maybe a TFS 1 cam

I bought TF valve spring there kit for the GT40s the shop that did my heads said they were crap...didnt even have enough for the cam specs..im telling you please dont cheap out on this..especially with boost....you can get away with it With H/C/I maybe nitrous..but i wouldnt with boost.....In matter of fact the guy that did my heads had to get all new springs because the TF ones were terrible...
 
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goodies !
 
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