Engine rebuild
Thread Starter
Burning Brakes
Joined: Mar 2019
Posts: 843
Likes: 149
From: Iowa
Engine rebuild
On a 1990 L98 engine if it would be bored .30 over with a mild cam would the ECU and prom be able to adjust to the changes made.
If we use the stock heads can a little more compression be added with out any problems?
Thanks Hawkeye56
If we use the stock heads can a little more compression be added with out any problems?
Thanks Hawkeye56
Thread Starter
Burning Brakes
Joined: Mar 2019
Posts: 843
Likes: 149
From: Iowa
Would you have a recommendation on a cam profile close to stock, Maybe a little more torque so all will play well together.
Thanks Hawkeye56
My friend who owns this car is computer dumb and I have no idea what to look for.
Thanks Hawkeye56
Thanks Hawkeye56
My friend who owns this car is computer dumb and I have no idea what to look for.
Thanks Hawkeye56
Thread Starter
Burning Brakes
Joined: Mar 2019
Posts: 843
Likes: 149
From: Iowa
Thanks Hawkeye56
Thread Starter
Burning Brakes
Joined: Mar 2019
Posts: 843
Likes: 149
From: Iowa
Le Mans Master
Joined: Aug 2017
Posts: 6,942
Likes: 1,490
From: New Jersey
This link lists a lot of stock cam specs for TPI cars. Anything with similar specs to any of those will more than likely play just fine with the factory tune provided it is near that years specs. As you can see there are some significant (well not really) differences among them for a given year range.
Thread Starter
Burning Brakes
Joined: Mar 2019
Posts: 843
Likes: 149
From: Iowa
This link lists a lot of stock cam specs for TPI cars. Anything with similar specs to any of those will more than likely play just fine with the factory tune provided it is near that years specs. As you can see there are some significant (well not really) differences among them for a given year range.
Thanks Hawkeye56
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Team Owner
Joined: Oct 2004
Posts: 81,241
Likes: 3,063
From: altered state
St. Jude Donor '05
Try Alvin at pcm for less I bet hes got a good tune on file already.
About 200? And free touch up if needed thats as good as it gets.
Id definitely cam it and at least do some bowl work to the heads/good valve job may as well.
Down the road you can upgrade intakes if you wanna little more.
Dont know what trans or gear you run but cams in the low-mid 21x @050 run real strong, idle well, smog etc.
About 200? And free touch up if needed thats as good as it gets.
Id definitely cam it and at least do some bowl work to the heads/good valve job may as well.
Down the road you can upgrade intakes if you wanna little more.
Dont know what trans or gear you run but cams in the low-mid 21x @050 run real strong, idle well, smog etc.
Thread Starter
Burning Brakes
Joined: Mar 2019
Posts: 843
Likes: 149
From: Iowa
Try Alvin at pcm for less I bet hes got a good tune on file already.
About 200? And free touch up if needed thats as good as it gets.
Id definitely cam it and at least do some bowl work to the heads/good valve job may as well.
Down the road you can upgrade intakes if you wanna little more.
Dont know what trans or gear you run but cams in the low-mid 21x @050 run real strong, idle well, smog etc.
About 200? And free touch up if needed thats as good as it gets.
Id definitely cam it and at least do some bowl work to the heads/good valve job may as well.
Down the road you can upgrade intakes if you wanna little more.
Dont know what trans or gear you run but cams in the low-mid 21x @050 run real strong, idle well, smog etc.
Thanks Hawkeye56
Le Mans Master
Joined: Sep 2006
Posts: 6,050
Likes: 147
From: Phoenix AZ
2021 C4 of the Year - Modified Finalist
Cams
Sometimes when you find the cam you want, Melling makes factory profile cams, and some performance cams for about 25% less.
u gotta think most cam grinders make cams for other companies.
check around
u gotta think most cam grinders make cams for other companies.
check around