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TPIS cams and heads

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Old Feb 17, 2004 | 11:53 AM
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Default TPIS cams and heads

Has anyone used any over there cams, especially the ZL15X. The specs
are 236/241 and 600/566. not sure on the lsa.
Has anyone used thier stage II heads. $1700. You get full porting. lightweight valves, titanium retainers, springs. Just wondering how they perform.

Last edited by LS1NOVA; Feb 17, 2004 at 11:59 AM. Reason: add
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Old Feb 17, 2004 | 10:08 PM
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Originally Posted by LS1NOVA
Has anyone used any over there cams, especially the ZL15X. The specs
are 236/241 and 600/566. not sure on the lsa.
Has anyone used thier stage II heads. $1700. You get full porting. lightweight valves, titanium retainers, springs. Just wondering how they perform.
I have the TPIS ZL15 cam and TPIS race heads on my A4 415cid stroker. I really like the combo. The spec on my ZL15 cam are 237/242 & .618/.609 on a 112.8* lobe. Last time at the dyno I made 458rwhp & 450rwtq.
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Old Feb 18, 2004 | 07:46 AM
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Ive seen their heads in person, they are good quality and CNC'd. I think they use Manley duals, not sure though. I have a buddy who has their 427 putting out close to 500 with their new intake. His name on here is BONESTOCK C5. I don't know what their results have been with just heads and cam, their cam recomendations for stock lower half seem to be very conservative.

415cid Goose: what are their race heads vs regular heads?
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Old Feb 18, 2004 | 07:48 AM
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Originally Posted by 415cid Goose
I have the TPIS ZL15 cam and TPIS race heads on my A4 415cid stroker. I really like the combo. The spec on my ZL15 cam are 237/242 & .618/.609 on a 112.8* lobe. Last time at the dyno I made 458rwhp & 450rwtq.

I thought you just did a cam swap
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Old Feb 18, 2004 | 02:16 PM
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Originally Posted by JoeyGC5
I thought you just did a cam swap
Joey, that is all I did. When the motor was built, I did the head upgrade.
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Old Feb 18, 2004 | 02:18 PM
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Originally Posted by No Juice
Ive seen their heads in person, they are good quality and CNC'd. I think they use Manley duals, not sure though. I have a buddy who has their 427 putting out close to 500 with their new intake. His name on here is BONESTOCK C5. I don't know what their results have been with just heads and cam, their cam recomendations for stock lower half seem to be very conservative.

415cid Goose: what are their race heads vs regular heads?
Bigger valves, more port work ex.........
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Old Feb 18, 2004 | 07:17 PM
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How is the driveability with the ZL15? and the mileage?. i think I have seen that BONESTOCK C5 at Rock Falls. Is that the one. 427 tpis combo in a pewter car? Said he got like 26 mpg and 550 crank hp.
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Old Feb 19, 2004 | 05:01 AM
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Originally Posted by LS1NOVA
How is the driveability with the ZL15? and the mileage?. i think I have seen that BONESTOCK C5 at Rock Falls. Is that the one. 427 tpis combo in a pewter car? Said he got like 26 mpg and 550 crank hp.
The driveability is pretty good for a cam that size. 26mpg is pretty close to what I'm getting. The cam rocks.
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Old Feb 19, 2004 | 05:13 AM
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They aren't a sponsor anymore? I thought they used to be. Can someone pm me their web address?
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Old Feb 19, 2004 | 07:50 AM
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Originally Posted by 415cid Goose
The driveability is pretty good for a cam that size. 26mpg is pretty close to what I'm getting. The cam rocks.
Do you have any kind of stall as well? Still running the 3.15 rear?

Talking with Mallet, I'm feeling another road trip coming up
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