C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Trickflow heads

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Old Aug 18, 2005 | 12:03 AM
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Default Trickflow heads

anyone run trickflow heads on a mildly modded LTx?

the GM LT1 to LT4 conversion "kit" heads seem pale compared to TRICKFLOW lt1 heads, anyone run 'em got #'s ?

I am strongly considering these heads, 10 lbs Vortech kit / aftercooler, hot cam, straight exhaust, Haltech computer, injectors/MAF, for an LT1
and a 75 (progressive)shot of direct

these are hypothetically fantastic heads

advice?
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Old Aug 18, 2005 | 02:23 AM
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Got a set on a 350 (L98), basically the same flow numbers on them as their LT1 counterpart. I'm very happy with mine. For about $300 more go for the CNC version, even better/more flow.
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Old Aug 18, 2005 | 02:50 AM
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They are a great head for the money, no question about it. I've seen a lot of them on L98's and have been pretty impressed with the quality. I haven't seen as many on LTx engines, but the ones that I have seen have been just as good as the L98 parts. In short, great heads for (relatively) cheap money!
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Old Aug 18, 2005 | 08:22 AM
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I fitted the trickflow 195 on my L98 when I built her and I am very impressed with the quality and performance.










.
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Old Aug 18, 2005 | 08:55 AM
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Originally Posted by vailvette
anyone run trickflow heads on a mildly modded LTx?

the GM LT1 to LT4 conversion "kit" heads seem pale compared to TRICKFLOW lt1 heads, anyone run 'em got #'s ?

I am strongly considering these heads, 10 lbs Vortech kit / aftercooler, hot cam, straight exhaust, Haltech computer, injectors/MAF, for an LT1
and a 75 (progressive)shot of direct

these are hypothetically fantastic heads

advice?
Actually that is probably a better head for your blower application than the LT4 head. Mainly with its larger 64cc chamber it will effectively drop the compression on the engine over a full point. Also you can have these Trickflows ported to flow even more. But why would you want to switch to a Haltech ecu? For 10 PSI the stock PCM is able to do well. I am running 10 now and was running 12+ in New Mexico with the stock 95 PCM in my car without any problems.
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Old Aug 18, 2005 | 09:44 AM
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I built the snot out of a 2G mitsu eclipse last year, and was absolutely FLOORED by what a standalone can do for a seriously modded vehicle.

I used an AEM on the rice toy... which had more options than I knew what to do with. The Haltech seems a bit simpler.

I like the ability to change setups with a few kewstrokes
But on the subject, just how "modifiable/controllable" is the stock ecu on 94-96

(how bout LT5's ? )
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Old Sep 3, 2005 | 01:49 PM
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Originally Posted by vailvette
anyone run trickflow heads on a mildly modded LTx?

the GM LT1 to LT4 conversion "kit" heads seem pale compared to TRICKFLOW lt1 heads, anyone run 'em got #'s ?

I am strongly considering these heads, 10 lbs Vortech kit / aftercooler, hot cam, straight exhaust, Haltech computer, injectors/MAF, for an LT1
and a 75 (progressive)shot of direct

these are hypothetically fantastic heads

advice?


i got mine flow tested, they flowed 261 cfm at .550 which is right where my 219 cam will be playing.
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Old Sep 4, 2005 | 02:24 PM
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Originally Posted by vailvette
anyone run trickflow heads on a mildly modded LTx?

the GM LT1 to LT4 conversion "kit" heads seem pale compared to TRICKFLOW lt1 heads, anyone run 'em got #'s ?

I am strongly considering these heads, 10 lbs Vortech kit / aftercooler, hot cam, straight exhaust, Haltech computer, injectors/MAF, for an LT1
and a 75 (progressive)shot of direct

these are hypothetically fantastic heads

advice?
junk dont buy them
Reply
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Old Sep 4, 2005 | 02:50 PM
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just my o2. i'am building a 383 lt1. i just sent a new set of afr's back to them. i didnt like the deep spring pockets and oil returns, also the push rod holes. i already have a set of 31.6 pistons. so i decided that the best way to go would be the lt4. Port Flow are doing up a set of lt4 stage 3 heads, they are opening the chambers to 58cc and i'll use a .027 head gasket to get my 9.0 cc. this is a supercharged engine. they come up with great flow #. their stage 3s will out flow afrs 195s. for what i'am paying i feel its the best way to go. buying a set of heads is not a problem, the way to go was.
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Old Sep 4, 2005 | 07:09 PM
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Crazyturbo
"junk dont buy them"

As a new member if you are going to make a broadbased statement like that you at least need to qualify it.
So far you are the only one who disagrees.The guys who have actually used them like them.
Do you own / have owned TFS?
What didn't you like?
AFRs have not been getting good press on this Forum of recent.
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Old Sep 4, 2005 | 07:15 PM
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Originally Posted by rodj
AFRs have not been getting good press on this Forum of recent.
Not just here. Over the past year or so people have been complaining of very long waits to get the heads, poor finish work, poor CS and just all around dissatisfaction.
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Old Sep 5, 2005 | 01:42 AM
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I have a set of 195s sitting on my 383 in my 84. Good quality product and no issues thus far.
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Old Sep 5, 2005 | 06:15 AM
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I bought some 195cc heads from AFR. They are very nice but damn... serious $$$ and 4 1/2 month wait. When I ordered them, the said 2 months. After 3 months, I had the guy whom I ordered them through call and ask WTF. He called four times in two weeks, only one call got returned and they said "soon". When the heads finally arrived, not only did I pay full price, but I got a lame *** excuse. Sorry but these will most likely be the first and last set of AFR heads I buy. But hell, most of the good companies are like that. I heard Borla can be just as bad...

I dont own any Trickflow products, but I have also heard that they are junk HOWEVER I think that was before Jegs (or was it Summit) bought them. Since then, I am not sure if the product has improved any.

BTW, here is a link to Chevy Hi Performance's cylinder head comparison. Kinda old but you get the point.

http://www.chevyhiperformance.com/te...98/index5.html

Last edited by Performance nut; Sep 5, 2005 at 06:26 AM.
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Old Sep 5, 2005 | 09:07 AM
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rodj, i didnt say any thing about tf heads, there was a point i was going to buy tfs. i decided i would just do up a set of lt4 instead and stay with GM and no problems. o yes the coolant holes on the afrs seem small.
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Old Sep 5, 2005 | 10:02 AM
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I think Trick Flow is a great head "for the money" but...........

unless you have a mild build that only needs their level of flow, I wouldn't sacrifice the most important power limiter on my motor for the sake of a few hundred bucks.........just my .02
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Old Sep 5, 2005 | 03:59 PM
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Originally Posted by crazyturbo
junk dont buy them



o.k.
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Old Sep 5, 2005 | 08:02 PM
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"I dont own any Trickflow products, but I have also heard that they are junk HOWEVER I think that was before Jegs (or was it Summit) bought them. Since then, I am not sure if the product has improved any.
BTW, here is a link to Chevy Hi Performance's cylinder head comparison."

Quote
"These heads may not flow the biggest numbers but there should be little question regarding their performance that they can perform well. In CHP’s Nov. ’99 issue they were bolted on a mild 383ci motor and were able to pump up peak engine power by 15.5%. These heads offer some of the best power for the dollar on a mild small Chevy."

Sounds like a pretty go rap to me.Especially if budget restrained.
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Old Sep 5, 2005 | 09:38 PM
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Originally Posted by crazyturbo
junk dont buy them

I'd much rather have my 113 heads back instead of my trickflows. So exactly why are they junk? Mine don't use oil, make a ton more power than stock. Would you care to splain yourself.
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Old Sep 5, 2005 | 11:33 PM
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Originally Posted by rodj
"I dont own any Trickflow products, but I have also heard that they are junk HOWEVER I think that was before Jegs (or was it Summit) bought them. Since then, I am not sure if the product has improved any.
BTW, here is a link to Chevy Hi Performance's cylinder head comparison."

Quote
"These heads may not flow the biggest numbers but there should be little question regarding their performance that they can perform well. In CHP’s Nov. ’99 issue they were bolted on a mild 383ci motor and were able to pump up peak engine power by 15.5%. These heads offer some of the best power for the dollar on a mild small Chevy."

Sounds like a pretty go rap to me.Especially if budget restrained.
I think that was CHP's way of sayings "they are better than stock".
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Old Sep 6, 2005 | 02:29 AM
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Originally Posted by Performance nut
I think that was CHP's way of sayings "they are better than stock".

You think that 15% is just better than stock? Well lets see, a 400 hp motor with stock heads now gets these heads, that motor is now 460hp. You don't think 60 hp from a set of heads is substantial?
I guess I don't either.
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