intake/head combos

1994Vib.RedGT · Sep 27, 2004

If I was going to buy a 94-95 cobra intake manifold, upper and lower, which would be the better heads to go with it as far as power increases, still making my ride smooth, best value, and not totally killing my gas mileage. Would it be the GT-40p's, the GT-40X's, Ported stock heads, or regular GT-40's ?

krahkin · Sep 27, 2004

I am running AFR 165s with my cobra intake. I had to install a spacer between upper/lower due to the valve covers I used though.

wytstang · Sep 27, 2004

Depends on how much you're willing to spend. On a budget you can't go wrong with the gt40p's but you will have to change your headers to either long tuber or shorty's specifically for p heads. If money is not an issue AFR 165s or TW heads are great.

Joes95GT · Sep 27, 2004

If you're willing to save a little bit, the best overall budget head out there is the new Edelbrock head.

Joe

wytstang · Sep 27, 2004

That's right I forgot about the E-brock heads. They are said to flow as good as the AFR 165 heads but with out the price tag (somewhat cheaper).

zenboy99 · Sep 27, 2004

You can get a set of new Trick Flow TW heads for $960 from Summit.

Venom351R · Sep 27, 2004

zenboy99 said:
You can get a set of new Trick Flow TW heads for $960 from Summit.

Thats your best bang for the buck. They perform just as good if not better then AFR and there alot cheaper.

zenboy99 · Sep 27, 2004

All of my friends that went with a GT-40 head ended up being upset that they didn't spend the money to get something a little better like AFR, Edelbrock or Trick Flow. Since you're spending all that energy digging into the engine, why not do it right?

The guys at Fox Lake said they have seen alot of GT-40X heads that flow less then 200cfm, but if you want to go with a Ford head, then more power too you.

1994Vib.RedGT · Sep 27, 2004

Gearbanger 101 · Sep 27, 2004

Double post

Gearbanger 101 · Sep 27, 2004

How about a ported (thumper460) set of E7TE's. Still plenty of potential in the stock casting and it won't break your bank.

Mustang95GTS · Sep 27, 2004

where can you get heads for $960 at summit? is that just the castings? Sorry for the hijack

HoofnIt · Sep 27, 2004

The edelbrock performer flows more than the cobra intake. I don't think you can go wrong with any of the aftermarket heads, but I wouldn't go with the GT40s-look at the flow #s. I went with the AFRs and a ported Cobra. They all make good power so go with the best deal.

GTJake · Sep 27, 2004

I heard on Hardcore that the 165's got revised, but I forget the exact details. However, the flow sheet is still the same on their website. Why spend $600 on a set of ported stockers when you can score a set of TFS or Eddy's for close to a grand. Do it once and don't waste your money.

Jake

1994Vib.RedGT · Sep 28, 2004

Ok, so the GT-40s are out of the question, unless I can find a good, cheap used set. and i cant afford AFRs right now Now, how much would it cost to port stock heads? how much of a HP increase would I see, If I bought E-brock, how much HP increase. And is the low-end torque good on either one of those options

1994Vib.RedGT · Sep 28, 2004

SuperDust22 · Sep 28, 2004

zenboy99 said:
You can get a set of new Trick Flow TW heads for $960 from Summit.

Link? I need to see this.

Dustin

Gearbanger 101 · Sep 28, 2004

1994Vib.RedGT said:
Ok, so the GT-40s are out of the question, unless I can find a good, cheap used set. and i cant afford AFRs right now Now, how much would it cost to port stock heads? how much of a HP increase would I see, If I bought E-brock, how much HP increase. And is the low-end torque good on either one of those options

I paid nothing to do mine and my car runs consistent high 8's in the 1/8th mile on plain old Dunlop radials. Dare I say faster than a lot of guys with high dollar heads. If you're not comfortable doing it yourself, you could always send them to Thumper (thumper460) to do for you. He's our resident Iron head expert and has been doing this for a long time. 12-second timeslips are not unheard of with ported heads and a well put together combo. That being said, GT-40's should not be out of the question. Peak flow figures are great, but they don't tell the whole story. You can build a very quick car with GT-40's!

Here's a link to his site.
http://www.thumperoforangepark.com/

Grn92LX · Sep 28, 2004

SuperDust22 said:
Link? I need to see this.

Dustin

Summit has discount codes once in a while for 10% off. I paid $935 for my TW heads but that was 3 years ago.

I do think GT40 and GT40p's are great budget heads especially with the right cam. darkpony from corral made 299hp/325tq with un touched P heads, cobra intake and an AFM B25 cam. The under the curve was insane. Look for a summit discount code and buy either a TW or an edelbrock head. I have friends with all these heads and we all runs good.

GTJake · Sep 28, 2004

Gearbanger 101 said:
I paid nothing to do mine and my car runs consistent high 8's in the 1/8th mile on plain old Dunlop radials. Dare I say faster than a lot of guys with high dollar heads. If you're not comfortable doing it yourself, you could always send them to Thumper (thumper460) to do for you. He's our resident Iron head expert and has been doing this for a long time. 12-second timeslips are not unheard of with ported heads and a well put together combo. That being said, GT-40's should not be out of the question. Peak flow figures are great, but they don't tell the whole story. You can build a very quick car with GT-40's!

Here's a link to his site.
http://www.thumperoforangepark.com/

Dude...there are plenty of people running high 8's in the 1/8 with stock heads and cam. You don't need ported stockers to do that.

Jake

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